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#361
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Lets have green public transport
On Mon, 26 Dec 2011 12:21:50 -0000 Doctor Drivel wrote :
The Prius is also brilliant to drive. - seamless, no step up or down gear changes. Passengers love it. That is certainly true - drives like a mini limousine. Which is why it would not appeal to BMW M3 drivers. -- Tony Bryer, Greentram: 'Software to build on', Melbourne, Australia www.greentram.com |
#362
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Lets have green public transport
On Mon, 26 Dec 2011 14:15:43 +0000 Andy Champ wrote :
what do you mean by "drove it like a limousine" on the motorway? From what I've seen Limos go up the motorway at the same speed as all the other traffic - not quite fast enough to interest Plod. There's not a lot of acceleration going on that would be different between Limo and sports car. What I meant by "drove it like a limousine" is reading the road and anticipating what's ahead. You see more than a few who will see traffic slowing ahead or a red light and drive hard up to it, then brake hard, or who wait until the last possible moment before jumping across to a motorway exit. And of course driving any car in this way significantly improves economy. -- Tony Bryer, Greentram: 'Software to build on', Melbourne, Australia www.greentram.com |
#363
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Lets have green public transport
On 24/12/2011 12:32, tony sayer wrote:
It's quite telling that when rolling stock needs to be moved around for maintenance work or refurbishment, they often find it cheaper to move it by road rather than rail. SteveW Sure your not referring to that on preserved railways?.. Definitely not. I'm talking about current stock. SteveW |
#364
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Lets have green public transport
On 26/12/2011 11:45, Doctor Drivel wrote:
"John Williamson" wrote in message ... Doctor Drivel wrote: "ARWadsworth" wrote in message ... Doctor Drivel wrote: And it left the miners able to hold the country to ransom. They brought down the previous Conservative government, They never. Heath couldn't handle industry properly. Lack of investment, poor management, etc, etc. Miners were poorly paid working in appalling conditions. Again.. "It was NOT subsidised. Coal created economic growth. Coal provided the energy to create electricity. The economic growth was cycled back to get the energy. Understand that." Coal mining in the UK was not profitable. Idiot, again... "It was NOT subsidised. Coal created economic growth. Coal provided the energy to create electricity. The economic growth was cycled back to get the energy. Understand that." It cost more to dig the coal out than it could be sold for. Not another one. If London Underground was run on ticket sales only half would be closed down and tickets would be £20 a go. London, economically would decline rapidly. http://www.youtube.com/watch?v=47Jb-rlXJYg Harrison's points include:- * Passengers pay twice * Trains pay for themselves * Trains more than covers their costs * Governments can pay for railways without taxing their citizens * Investment in railways yields huge profits * The problem is the way governments pay for the capital they invest in the tracks and rolling stock * Payback is like winning the lottery * The Jubilee line raised productivity in the London economy. Every one pound invested provided a payback of 4 pounds * That is what railways do, make the economy more efficient * Who pocketed the fat profit? Not the shareholders, not the taxpayers, wages were not raised * Profits cascaded into the profits of the land owners * Taxes destroy jobs .. and he's right, you know. The same applies to economic growth creating energy - COAL The comparison is false. If I want to travel into London, I must use whatever transport infrastructure is there and it must either charge the true (even if expensive) cost or be subsidised at a cost to the UK (or local) taxpayer. If I want to run a power station on coal, I will not use very expensive coal, so either the UK taxpayer must pay again or I will import cheaper coal! The economic benefit of subsidising coal is therefore NOT the benefits and economic growth that coal/power brings, it is only the number of mineworkers and support workers that the industry supports. This means that the required subsidies can rapidly outweigh the benefits. SteveW |
#365
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Lets have green public transport
In message , Doctor Drivel
writes "hugh" ] wrote in message ... In message , Doctor Drivel writes "hugh" ] wrote in message news Plus the NMU under Scargill insisted that all pits were kept open whether economic or not. They were "all" economic as they crated economic growth which is not qualified by the selling price of the coal, as London Tube's prices are not qualified by the ticket price. Take away the Tube and London collapses. Run on ticket sales only and most stations will close down charging £12 per trip. I see economics is your weak spot. And I see it's a fantasy world for you. You do not a clue about economics. What appears on the surface as "uneconomic" is not. DO NOT read the Daily Mail No it's the underground coal that is uneconomic. Opencast is profitable. -- hugh |
#366
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Lets have green public transport
In article ,
Tony Bryer wrote: On Mon, 26 Dec 2011 12:21:50 -0000 Doctor Drivel wrote : The Prius is also brilliant to drive. - seamless, no step up or down gear changes. Passengers love it. That is certainly true - drives like a mini limousine. Wonder what you mean by limousine? One of those stretched Hummer things? Which is why it would not appeal to BMW M3 drivers. Or anyone who enjoys driving. -- *Snowmen fall from Heaven unassembled* Dave Plowman London SW To e-mail, change noise into sound. |
#367
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Lets have green public transport
Doctor Drivel wrote:
Passengers love it. Thinking of you and a passenger in a prius triggers this image: http://www.dionic.net/_images/drivelprius.png -- Tim Watts |
#368
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Lets have green public transport
In article ,
Doctor Drivel wrote: "Dave Plowman (News)" wrote in message ... In article , Tony Bryer wrote: On Mon, 26 Dec 2011 12:21:50 -0000 Doctor Drivel wrote : The Prius is also brilliant to drive. - seamless, no step up or down gear changes. Passengers love it. That is certainly true - drives like a mini limousine. Wonder what you mean by limousine? It seamlessly glide you silly old coot! Right - so nothing like a Pious? Those who compare it to a limousine must be used to Lada. -- *Real women don't have hot flashes, they have power surges. Dave Plowman London SW To e-mail, change noise into sound. |
#369
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Lets have green public transport
In article ,
Doctor Drivel wrote: There's not a lot of acceleration going on that would be different between Limo and sports car. The Prius does not hang about. Name any other car of its physical size and cost which is slower in any way. 0-10 mph doesn't count. -- *If you try to fail and succeed, which have you done? * Dave Plowman London SW To e-mail, change noise into sound. |
#370
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Lets have green public transport
In article ,
Doctor Drivel wrote: Most tests of the Prius have shown relatively poor mpg on long runs. They have not. Give some figures to back this up and not just the ones you've plucked from the air. In reality, it consumes more fuel on a long run than other comparative sized cars. The engine is Atkinson cycle too, so beats a regular petrol engine at low RPM. Cobblers. It is an Atkinson cycle. You're right there. But of course missed out an Atkinson cycle engine being horribly inefficient outside its narrow power band. Ever wondered why even Toyota don't use Atkinson cycle on their other designs of hybrids? Silly question to one who only reads adverts. -- *If at first you don't succeed, then skydiving definitely isn't for you * Dave Plowman London SW To e-mail, change noise into sound. |
#371
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Lets have green public transport
In article , Dave Plowman (News)
wrote: In article , Doctor Drivel wrote: "Dave Plowman (News)" wrote in message ... In article , Tony Bryer wrote: On Mon, 26 Dec 2011 12:21:50 -0000 Doctor Drivel wrote : The Prius is also brilliant to drive. - seamless, no step up or down gear changes. Passengers love it. That is certainly true - drives like a mini limousine. Wonder what you mean by limousine? It seamlessly glide you silly old coot! Right - so nothing like a Pious? Those who compare it to a limousine must be used to Lada. I thought a limousine was a car where there was room for the (grown-up)back seat passenger to sit upright. -- From KT24 Using a RISC OS computer running v5.16 |
#372
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Lets have green public transport
On Mon, 26 Dec 2011 11:29:27 -0000, Doctor Drivel
wrote: Like constant speed in cars with complex tractor engines, from Heathrow to Sussex. But average types of driving can get 75mpg in a Prius. And eons more in a Chevy Volt. Eons are VW not Chevy or Toyota... -- Rod |
#373
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Lets have green public transport
In article ,
charles wrote: Right - so nothing like a Pious? Those who compare it to a limousine must be used to Lada. I thought a limousine was a car where there was room for the (grown-up)back seat passenger to sit upright. I thought the original definition was a vehicle where the passengers and driver were separated by a division. As in a London taxi, etc. But it seems not. It's just a large luxurious car. The very last thing you'd call a Pious. -- *The man who fell into an upholstery machine is fully recovered* Dave Plowman London SW To e-mail, change noise into sound. |
#374
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Lets have green public transport
On Tue, 27 Dec 2011 08:02:53 -0000, Doctor Drivel
wrote: "Steve Firth" wrote in message ... funkyoldcortina wrote: [snip] That's not true for the Prius. You still get better mpg than a conventional petrol car on motorway trips, as once you're up to speed you can ease off the pedal and the electric motor does most of the work to keep you at-speed, requiring much lower power output from the engine. That's compete ********. The Prius only has one small advantage on the motorway. Some energy lost when braking can be recovered. That's it. The electric motor cannot suck energy from thin air. Most tests of the Prius have shown relatively poor mpg on long runs. They have not. The engine is Atkinson cycle too, so beats a regular petrol engine at low RPM. Cobblers. It is an Atkinson cycle. Lost of oil, but not sweet. -- Rod |
#375
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Lets have green public transport
polygonum wrote:
Lost of oil, but not sweet. Is that Shakespeare? |
#376
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Lets have green public transport
In article , Dave Plowman (News)
scribeth thus In article , tony sayer wrote: Unions are a very good idea in any well run industry. Allowing management a convenient way to negotiate etc with their workforce. As all the successful companies know only too well. Well a very few places where I've worked in the past they didn't have Unions as they were very well run companies. And if a company is well run there're shouldn't be a need for a Union thats just a needed response to the **** poor management that sometimes still prevails... How do you explain to each and every member of staff in a large company how any pay rise etc is arrived at? By letter? Well these were quite young small companies... Also, a member of staff with a grievance or whatever is likely being happier talking it over with a colleague who is a member of that union rather than a manager. The rep can then put across the point - likely without the heat of the previous scenario. Never knew anyone who had one. The pay was good conditions good, staff treated like human beings. Management were as often as not likely to be buying rounds in the pub after work. People wanted to work there and enjoyed it.. Of course none of that would be needed with a perfectly run company. But being run by humans, most unlikely. Course I never worked for the likes of BT or a large nationalised firm that I could imagine wouldn't be anywhere near the same;(. I did have a uncle who worked in a large factory up North, he hated the management there with a large vengeance.... -- Tony Sayer |
#377
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Lets have green public transport
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#378
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Lets have green public transport
In article , Doctor Drivel
scribeth thus "Dave Plowman (News)" wrote in message ... In article - september.org, Tim wrote: "Dave Plowman (News)" wrote: In article - september.org, Tim wrote: Did you see that Top Gear where they drove a Pious round their test track as fast as it would go (ie slowly) and followed it with a BMW M3? (The M3 has the poorest fuel consumption of the 3 series range.) The Pious used considerably more fuel... It was a pointless test though, all it showed was using a vehicle in a way that it's not designed to be used results in less than optimum performance. So it's not designed to be driven fast or even enthusiastically? Figures. What's your point, other than stating the obvious? I mean, deriding the Prius for not being good at something it was never designed for comes across as petty point scoring. You miss the point. It claims to be economical under all conditions. It is. In fact they do not, they have always claimed "average" in some way, which is realistic. The Prius IS good on Mway driving. Better in average town driving. Senile people can't see that. Most cars are good on straight continuous roads and throttle settings... -- Tony Sayer |
#379
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Lets have green public transport
In article , Doctor Drivel
scribeth thus "dennis@home" wrote in message eb.com... "funkyoldcortina" wrote in message ... That's not true for the Prius. You still get better mpg than a conventional petrol car on motorway trips, as once you're up to speed you can ease off the pedal and the electric motor does most of the work to keep you at-speed, requiring much lower power output from the engine. Well that's plain rubbish. If the electric motor is doing the work then it has to get its energy from somewhere. It can't be the battery or it would go flat. Engine braking and wheel braking put energy back into the battery reclaiming otherwise wasted energy. The Prius is old hat now - 1997. The Volt and the new Volt, Lotus/Jaguar designs are the way now. Kinetic energy is best reclaimed using supercapacitors - electric trains use these. Which ones, any in the UK?... -- Tony Sayer |
#380
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Lets have green public transport
On Tue, 27 Dec 2011 12:11:15 -0000, The Natural Philosopher
wrote: polygonum wrote: Lost of oil, but not sweet. Is that Shakespeare? Thanks for the compliment. A typo by any other name... -- Rod |
#381
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Lets have green public transport
On 27/12/2011 07:31, Doctor Drivel wrote:
"Steve Walker" wrote in message ... On 26/12/2011 11:45, Doctor Drivel wrote: "John Williamson" wrote in message ... Doctor Drivel wrote: "ARWadsworth" wrote in message ... Doctor Drivel wrote: And it left the miners able to hold the country to ransom. They brought down the previous Conservative government, They never. Heath couldn't handle industry properly. Lack of investment, poor management, etc, etc. Miners were poorly paid working in appalling conditions. Again.. "It was NOT subsidised. Coal created economic growth. Coal provided the energy to create electricity. The economic growth was cycled back to get the energy. Understand that." Coal mining in the UK was not profitable. Idiot, again... "It was NOT subsidised. Coal created economic growth. Coal provided the energy to create electricity. The economic growth was cycled back to get the energy. Understand that." It cost more to dig the coal out than it could be sold for. Not another one. If London Underground was run on ticket sales only half would be closed down and tickets would be £20 a go. London, economically would decline rapidly. http://www.youtube.com/watch?v=47Jb-rlXJYg Harrison's points include:- * Passengers pay twice * Trains pay for themselves * Trains more than covers their costs * Governments can pay for railways without taxing their citizens * Investment in railways yields huge profits * The problem is the way governments pay for the capital they invest in the tracks and rolling stock * Payback is like winning the lottery * The Jubilee line raised productivity in the London economy. Every one pound invested provided a payback of 4 pounds * That is what railways do, make the economy more efficient * Who pocketed the fat profit? Not the shareholders, not the taxpayers, wages were not raised * Profits cascaded into the profits of the land owners * Taxes destroy jobs .. and he's right, you know. The same applies to economic growth creating energy - COAL The comparison is false. Nonsense! If I want to travel into London, I must use whatever transport infrastructure is there and it must either charge the true (even if expensive) cost or be subsidised at a cost to the UK (or local) taxpayer. You are confused. subsidy (definition) - (Economics) a financial aid supplied by a government, as to industry, for reasons of public welfare, the balance of payments, etc. - (Economics) any monetary contribution, grant, or aid "Reclaiming" economic growth and cycling it back into the mechanism that assisted in creating it in the first place is not a subsidy. Energy and power generation creates economic growth in the wider community. You have difficulty with this. Energy and power generation happen anyway. The argument is about coal - subsidies (or recycling growth) as you wish to call it enable coal to be mined in the UK creating mining and support industry jobs and reaping some taxes back. In the absence of such subsidies, the coal is mined abroad, losing those jobs - the coal is however still mined and the power produced, allowing the rest of society to grow just the same. Only the mining and support industy jobs are lost, not the growth in the rest of industry. Thatcher had the corner shop profit mentality. The idiot said the coal and rail industries were not making a profit. Few rail networks do on passenger ticket sales. They are profitable as they create economic growth in a society. This crystalizes as wealth, which is taxed to run the mechanism that assists in creating the economic growth completing the circle. The same with coal used for power generation. Rail was neglected and the country, and cities with extensive rail lines were unable to expand urban networks, suffered greatly. Rail is very good for moving bulk freight and large numbers of rush hour commuters, but it is a very expensive and slow way of moving people from widely distributed homes to widely distributed workplaces - roads work much better for that. Targetted road improvements could produce the same economic benefits at lower cost (for instance short, low weight restricted flyovers at major road junctions, allowing the centre lanes of traffic to flow, while only turning traffic and heavier vehicles need queue at the junction). Also the free-market was, and still is, rigged. Thatcher took on board the view of Milton Freidman of the Chicago School of Economics. this view still holds in the UK - this school, recommend to Chile that unemployment be raised to keep wage costs down (rigging the free-market). Dictator Pinochet did so. They assessed that a 60 million country like the UK needs approx an unemployment level of 1 million to keep wage costs down (rigging the free-market). We roughly have had that since Thatcher, going down to approx 0.5 m under Blair and at one point zero with Blair. And if wage costs are not kept down? The manufacturing that has left the UK has done so because they cannot compete against lower cost production (low wages) elsewhere. As companies offshore their production, employment rises, increased unemployment acts as a brake on wages and the rate of job losses declines - a feedback loop. Artificially subsidising jobs to reach zero unemployment allows wages to rise, ensuring that we remain uncompetetive and those subsidies eat up tax revenues. The unemployment float is intentional. They see the unemployed as a part of the solution - a solution based on an rigged so-called free-market. See above. Thatcher did not know what the free-market as long as she had a hole in her bum. SteveW |
#382
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Lets have green public transport
On Thu, 22 Dec 2011 20:01:10 +0000, John Williamson wrote:
Doctor Drivel wrote: "dennis@home" wrote in message b.com... "Doctor Drivel" wrote in message ... One train can take 50 trucks off the roads. 50 trucks can go to 50 different places. You really don't get it. Rail can do all the long distance stuff and then freight taken in smaller trucks to local destinations. In a perfect world, yes. In this one, the cost (Money, and probably fuel as well) of taking stuff off a lorry and putting it onto a train, then doing the same in reverse is a lot more than just leaving it on a lorry, and letting the lorry do the whole journey. What's the maximum height allowable on a UK railway? Around here they stick the entire* loaded lorry trailer onto the train and all that's needed at the destination is the tractor unit to haul it; the loading and unloading operation is quick and easy. I suspect there's just not the clearance under bridges etc. to do that in the UK though :-( * and mile-long trains with shipping containers stacked one atop the other aren't unusual, either. I'm glad that lot doesn't end up on the roads. cheers Jules |
#383
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Lets have green public transport
On Fri, 23 Dec 2011 02:14:00 -0800, harry wrote:
Must be fiendishly complex, heavy and expensive. It is an attempt to cover all bases. No, because it lacks a sail on the roof and a wood gassifier in a trailer at the back. cheers Jules |
#384
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Lets have green public transport
On Thu, 22 Dec 2011 00:25:19 +0000, Tim Watts wrote:
If you let people buy a bit of farmland and stick 1-4 houses on it with the condition that build-build distance was say 1/4 mile, the countryside would be preserved and villages would not be shoehorned to bursting with rabbit hutches. There's an awful lot of green space down here and having a house or small bunch of houses every 1/4-1/2 mile would not ruin that, as you can see when you pass exactly such houses that sprang up pre-planning- laws. Infrastructure is more of a problem, but electricity, water and phones are fairly easy to drop in. Drains are more of a problem, so such places would probably need a klargester type setup. That's not too far from what we have here, and everyone has 'leccy, phone, 'net and TV to their property. Water is all from private drilled wells, waste is all into septic systems. The only planning and building laws are for electrical - other than that you can do whatever you want, because it's not like it treads on anyone elses' toes anyway. cheers Jules |
#385
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Lets have green public transport
On Mon, 26 Dec 2011 20:51:58 +0000, ARWadsworth wrote:
To be fair, he never understood the meaning of "when in a hole, stop digging". His village has lots of tunnels. .... but only one idiot :-) |
#386
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Lets have green public transport
On Sat, 24 Dec 2011 17:42:18 +0000, Dave Plowman (News) wrote:
If the Pious was sold as a town only car - as it is in the US - all that would then matter is the high price. I don't know, I see quite a few of them where I am in the US, and the population density's so low that covering large distances to get anywhere useful is normal. Most of the rural road network is a 55mph limit though, and even the major freeways are only 60mph (and heavily patrolled by police) - so perhaps those kinds of speeds suit the Pious better than UK motorway trips at 80mph. cheers Jules |
#387
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Lets have green public transport
On Tue, 27 Dec 2011 07:58:33 +0000, Doctor Drivel wrote:
"Dave Plowman (News)" wrote in message ... In article , Tony Bryer wrote: On Mon, 26 Dec 2011 12:21:50 -0000 Doctor Drivel wrote : The Prius is also brilliant to drive. - seamless, no step up or down gear changes. Passengers love it. That is certainly true - drives like a mini limousine. Wonder what you mean by limousine? It seamlessly glide you silly old coot! Like a bar of soap in an empty bathtub, you mean... |
#388
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Lets have green public transport
On Mon, 26 Dec 2011 12:37:13 +0000, Doctor Drivel wrote:
"Dave Plowman (News)" wrote in message ... So it's not designed to be driven fast or even enthusiastically? Yes, if you want to. I think Dave was talking about the sort of fast and enthusiastically that adults can get from driving real cars, not the sort of experience you had on the bumper cars at Great Yarmouth when you were six. |
#389
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Lets have green public transport
In article ,
tony sayer wrote: How do you explain to each and every member of staff in a large company how any pay rise etc is arrived at? By letter? Well these were quite young small companies... Usually far less need for a union in those as everyone should know everyone else. Also, a member of staff with a grievance or whatever is likely being happier talking it over with a colleague who is a member of that union rather than a manager. The rep can then put across the point - likely without the heat of the previous scenario. Never knew anyone who had one. The pay was good conditions good, staff treated like human beings. Management were as often as not likely to be buying rounds in the pub after work. People wanted to work there and enjoyed it.. Somehow, I don't think that happened in the companies we were talking about. Management thought their job was only to manage - ie to get the most out of the workforce for the least possible money/effort. Ie maximum profit at all costs. If they have that attitude, you can't really blame a workforce from taking the exact opposite one. Of course none of that would be needed with a perfectly run company. But being run by humans, most unlikely. Course I never worked for the likes of BT or a large nationalised firm that I could imagine wouldn't be anywhere near the same;(. I did have a uncle who worked in a large factory up North, he hated the management there with a large vengeance.... Sadly all too common. But when a 'them and us' situation develops, it's usually the fault of the management. -- *I don't suffer from insanity; I enjoy every minute of it. Dave Plowman London SW To e-mail, change noise into sound. |
#390
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Lets have green public transport
In article , Dave Plowman (News)
scribeth thus In article , tony sayer wrote: How do you explain to each and every member of staff in a large company how any pay rise etc is arrived at? By letter? Well these were quite young small companies... Usually far less need for a union in those as everyone should know everyone else. Also, a member of staff with a grievance or whatever is likely being happier talking it over with a colleague who is a member of that union rather than a manager. The rep can then put across the point - likely without the heat of the previous scenario. Never knew anyone who had one. The pay was good conditions good, staff treated like human beings. Management were as often as not likely to be buying rounds in the pub after work. People wanted to work there and enjoyed it.. Somehow, I don't think that happened in the companies we were talking about. Management thought their job was only to manage - ie to get the most out of the workforce for the least possible money/effort. Ie maximum profit at all costs. If they have that attitude, you can't really blame a workforce from taking the exact opposite one. Good management will know how to get the best from their workforce and that doesn't mean terrorising them or mistreating them. Of course none of that would be needed with a perfectly run company. But being run by humans, most unlikely. Course I never worked for the likes of BT or a large nationalised firm that I could imagine wouldn't be anywhere near the same;(. I did have a uncle who worked in a large factory up North, he hated the management there with a large vengeance.... Sadly all too common. But when a 'them and us' situation develops, it's usually the fault of the management. And that .. was what I meant in the previous post.. -- Tony Sayer |
#391
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Lets have green public transport
On 26/12/2011 20:55, Tony Bryer wrote:
What I meant by "drove it like a limousine" is reading the road and anticipating what's ahead. You see more than a few who will see traffic slowing ahead or a red light and drive hard up to it, then brake hard, or who wait until the last possible moment before jumping across to a motorway exit. And of course driving any car in this way significantly improves economy. Ah right. I do this in my sports car (yes, I can spell mid-life crisis!). But I've gone off it a bit after an incident a couple of years ago where I was rolling gently towards a red light and a used car dealer overtook me on the left, braked hard, then cut across. Wrote the car off. Andy |
#392
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Lets have green public transport
In article ,
tony sayer wrote: Somehow, I don't think that happened in the companies we were talking about. Management thought their job was only to manage - ie to get the most out of the workforce for the least possible money/effort. Ie maximum profit at all costs. If they have that attitude, you can't really blame a workforce from taking the exact opposite one. Good management will know how to get the best from their workforce and that doesn't mean terrorising them or mistreating them. Indeed. And wherever you see a dispute it's pretty obvious that hasn't happened. The most obvious one at the moment being the LT one. Both sides firmly entrenched - and trying to score points off one another. -- *Could it be that "I do " is the longest sentence? * Dave Plowman London SW To e-mail, change noise into sound. |
#393
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Lets have green public transport
"tony sayer" wrote in message ... In article , Doctor Drivel scribeth thus "dennis@home" wrote in message web.com... "funkyoldcortina" wrote in message ... That's not true for the Prius. You still get better mpg than a conventional petrol car on motorway trips, as once you're up to speed you can ease off the pedal and the electric motor does most of the work to keep you at-speed, requiring much lower power output from the engine. Well that's plain rubbish. If the electric motor is doing the work then it has to get its energy from somewhere. It can't be the battery or it would go flat. Engine braking and wheel braking put energy back into the battery reclaiming otherwise wasted energy. The Prius is old hat now - 1997. The Volt and the new Volt, Lotus/Jaguar designs are the way now. Kinetic energy is best reclaimed using supercapacitors - electric trains use these. Which ones, any in the UK?... In Germany and experimental in UK. Some have the capacitor bank on the side of the track rather that on the train. |
#394
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Lets have green public transport
"Jules Richardson" wrote in message ... On Tue, 27 Dec 2011 07:58:33 +0000, Doctor Drivel wrote: "Dave Plowman (News)" wrote in message ... In article , Tony Bryer wrote: On Mon, 26 Dec 2011 12:21:50 -0000 Doctor Drivel wrote : The Prius is also brilliant to drive. - seamless, no step up or down gear changes. Passengers love it. That is certainly true - drives like a mini limousine. Wonder what you mean by limousine? It seamlessly glide you silly old coot! Like a bar of soap in an empty bathtub, you mean... Smooooooooooooooooooooooth ans Quieeeeeeeeeeeeeeeeeeeeeeeeeeet |
#395
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Lets have green public transport
"Jules Richardson" wrote in message ... On Sat, 24 Dec 2011 17:42:18 +0000, Dave Plowman (News) wrote: If the Pious was sold as a town only car - as it is in the US - all that would then matter is the high price. I don't know, I see quite a few of them where I am in the US, and the population density's so low that covering large distances to get anywhere useful is normal. Most of the rural road network is a 55mph limit though, and even the major freeways are only 60mph (and heavily patrolled by police) - so perhaps those kinds of speeds suit the Pious better than UK motorway trips at 80mph. The Mways are so crowded you are lucky to get 65mph |
#396
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Lets have green public transport
"Jules Richardson" wrote in message ... On Mon, 26 Dec 2011 12:37:13 +0000, Doctor Drivel wrote: "Dave Plowman (News)" wrote in message ... So it's not designed to be driven fast or even enthusiastically? Yes, if you want to. I think Dave was talking about the sort of fast and enthusiastically that adults can get from driving real cars, not the sort of experience you had on the bumper cars at Great Yarmouth when you were six. He doesn't know the difference. |
#397
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Lets have green public transport
"Tim Lamb" wrote in message
... Generator efficiency will presumable vary with load It does, but not much. Microturbines rev at 30,000 rpm. High speed gennies are smaller and more efficient. Microturbines are looking good for range extenders - new Jag to have one. The size of a large can of beans. and I wonder if the overall performance tails off as the battery approaches full charge? The charge will be used by the driving motor and depending on the management software, either preserve the battery, or use both or either. |
#398
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Lets have green public transport
"Dave Plowman (News)" wrote in message ... In article , Doctor Drivel wrote: Most tests of the Prius have shown relatively poor mpg on long runs. They have not. Give some figures Silly Plantpot |
#399
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Lets have green public transport
"Jules Richardson" wrote in message ... On Mon, 26 Dec 2011 20:51:58 +0000, ARWadsworth wrote: To be fair, he never understood the meaning of "when in a hole, stop digging". His village has lots of tunnels. ... but only one idiot :-) You are on the short list. Be prepared to move house. |
#400
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Lets have green public transport
"tony sayer" wrote in message
... In article , funkyoldcortina scribeth thus On 20/12/11 10:39, Dave Plowman (News) wrote: In , wrote: http://www.bbc.co.uk/news/uk-england-london-16244634 "It was later established that the bus had run out of diesel." Just like a Pious, then. Half decent fuel consumption in start stop town traffic, but far worse than a conventional vehicle at near steady speed motorway, etc, work. That's not true for the Prius. You still get better mpg than a conventional petrol car on motorway trips, as once you're up to speed you can ease off the pedal and the electric motor does most of the work to keep you at-speed, requiring much lower power output from the engine. So err, the electrical power is free of charge then;?.... What he means is that it will be on part load and energy normally wasted would be used to charge the battery, which will mean the electric motor will come in on accelerating on the Mway or just cuts in to assist when battery is charged - management system decides. The engine is running at optimum to what the conditions are. It is well known that engines specifically designed for gennies and designed to run at constant speeds are far more efficient than variable speed engines. Lotus have designed a small aluminium 3 cylinder engine for general sale to any maker for gennies in hybrid cars, running at two speeds, depending on load. The engine is multi-fuel. Where they improved a lot is in the lith-ion batteries and smaller more efficient electric motors. Toshiba have set up sales offices to sell their latest battery:,,, Read on..... Temperatures as low as -30C Wow! I need one now!!! ...... http://www.toshiba.com/ind/data/news/news_241.pdf Toshiba International Corporation, January 27, 2010 - Toshiba proudly announces that it has established US-based sales and technical support for its new product, the Super Charge Ion Battery, SCiBT. This nano-based breakthrough lithium technology is noted for its rapid charging capability of 90% charge in less than 5 minutes, long life of more than 10 years even at rapid charge rates, and excellent safety performance. The SCiBT product line will be supported out of the Toshiba International Corporation headquarters in Houston, Texas and the SCiBT team will focus on business development activities, battery pack design, prototyping, assembly, technical support, and service. The SCiBT battery technology offers numerous performance advantages that make it an ideal solution for many of today's toughest energy storage challenges. * Inherently Safe - Advanced Lithium Chemistry Based on Nano-Technology Prevents Thermal Runaway Even Under Extreme Physical Duress * Fast Charge Rates - Capable of Full Recharge in 10 Minutes, 90% in 5 Minutes * Superior life - Minimal Capacity Loss, Even After 6,000 Rapid Charge-Discharge Cycles * Greater Usable Capacity - Up to 85% Usable Capacity Without Compromising Cycle Life * High Output Performance - Equivalent Discharge Rates to those of Ultra-Capacitors * Superb Low-Temperature Performance - Excels at Temperatures as Low as -30°C * Proven Production - Produced on a State-of-the-Art Automated Production Line SCiBT cells comprising the battery packs will be supplied from Toshiba's state-of-the-art automated production line in the Saku Factory located in Nagano, Japan. Initial market development activities in the US will focus on automotive HEV/PHEV/EV, industrial lift trucks, smart grid/grid storage, medical equipment, wind and solar power, scooters, and UPS market segments. Toshiba currently has two battery pack offerings commercially available, a 12 V, 4.2 Ah pack and a 24 V, 4.2 Ah pack. Both offerings are based on Toshiba's 2.4 V, 4.2 Ah cells and include Toshiba's proprietary battery management system, which ensures optimum performance and safety. Additional packs are under development. -------- This means the full Electric Car is now within easy reach. All it needs is charging points around for most cars and a small range extender for some longer range vehicles in remote parts of the world. Use a specifically designed engine on a generator set and the combustion engine will rarely cut in. Toshiba claim the discharge is the same as supercapacitors. I would rather have supercapacitors with a high energy density storage than a battery. Supercapacitors do not wear out, they are more efficient as there is no state change inefficiencies when charging or discharging. Other applications for these batteries? Planes of course. CHP (cogen) in homes? Roof mounted PV cells can charge them up and use the energy later. The same with boats with cells on the roofs. Battery power tools comes to mind. In a minutes and the drill is charged again. Mass production will get the prices down. They could be retrofitted to existing hybrid cars when their battery sets require replacing. This will transform many of them. The Internal Combustion Engines gennies are big and heavy and pollute far more than the turbines. The heat is concentrated in the exhaust in a turbine making it easier extracting heat for other uses. A lot is is going for the turbines: - small - powerful - uses less fuel - light - simple - far more reliable - should be cheaper to make one mass production is applied. - etc They should be fine for turbine/electric trains. In overground urban trains using a battery/supercapacitor set as a buffer for acceleration and claw-back braking energy, they should work well. These trains stop and start constantly. And a cheaper alternative to expensive electrification. In boats they shine in that they are very small. Lith-ion batteies, and the new Toshiba?, store twice as much energy per size than others. So a bank of Lith-ion low down to even out weight dstribution, maximising space. |
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