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#321
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Colour Temperature (was CFLs and UHF interference)
:Jerry: wrote:
Indeed, vehicles with automatic transmissions are very dangerous, I know someone who wrote off *four* brand new cars whilst doing a dealer PDI check on a new Volvo whilst it was "ticking over in Park" (well he actually had to rev it up to check the CO readings), on investigation (by the insurance Co and Volvo UK) it was found that a manufacturing fault had caused the box to select drive rather than 'Park' even though the lever *was* in Park. To write off one car like that - bad luck. Two - well, you'd think he'd take more care. But FOUR? I'm pretty sure by that stage part of *my* PDI would be to check for the known fault in the gearbox... Andy |
#322
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Car Headlight s(was Colour Temperature (was CFLs and UHFinterference) )
charles wrote:
In article , :Jerry: wrote: WRONG. driving lamps can also be fitted below the bumper level, otherwise an awful lot of car manufactures are fitting four fog lights to the fronts of their cars... depends on the height of the bumper. The C&U regulations used to specify that the centre of the lamp had to be 24" above ground to avoid being classed as fog light. I've no reason to believe this has changed. Charles, do you happen to know if there are restrictions on how close to the front of the car headlights have to be? It seems to me there may be aerodynamic restrictions caused just by light regulations. Andy |
#323
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Car Headlight s(was Colour Temperature (was CFLs andUHF interference) )
Andy Champ wrote:
charles wrote: In article , :Jerry: wrote: WRONG. driving lamps can also be fitted below the bumper level, otherwise an awful lot of car manufactures are fitting four fog lights to the fronts of their cars... You could well be right, but fog lamps are designated as being focussed lamps whose centre is less than 24 inches from the ground. Colour of light does not come into it. depends on the height of the bumper. The C&U regulations used to specify that the centre of the lamp had to be 24" above ground to avoid being classed as fog light. I've no reason to believe this has changed. If it has been changed, it will only be to accommodate the change from inches to CMs. do you happen to know if there are restrictions on how close to the front of the car headlights have to be? Usually in front of any metal bits at the front of the car, so as to cause the lights to shine forwards. It seems to me there may be aerodynamic restrictions caused just by light regulations. ??? Dave |
#324
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Car Headlight s(was Colour Temperature (was CFLs and UHF interference) )
In article ,
Andy Champ wrote: charles wrote: In article , :Jerry: wrote: WRONG. driving lamps can also be fitted below the bumper level, otherwise an awful lot of car manufactures are fitting four fog lights to the fronts of their cars... depends on the height of the bumper. The C&U regulations used to specify that the centre of the lamp had to be 24" above ground to avoid being classed as fog light. I've no reason to believe this has changed. Charles, do you happen to know if there are restrictions on how close to the front of the car headlights have to be? I seem to remember that there is a maximum distance that the lights have to be from the edge, but I don't think there was ever anything about how far recessed they could be. -- From KT24 - in "Leafy Surrey" Using a RISC OS computer running v5.11 |
#325
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Colour Temperature (was CFLs and UHF interference)
In message , Arfa Daily
writes "geoff" wrote in message ... In message , Arfa Daily writes As for motorcycles, why do they drive round using full beam? I don't, I use dipped beam That really gives me black spots in my vision. I've started to put mine on now, when they approach me. AFAIK you can't buy a motorcycle in the UK where you can switch the headlights off! Err ... what ? off / parking / beam switch works for me -- geoff Actually, Arfa Daily *didn't* write that ... d;~} mea culpa - I was too lazy to go to the OP -- geoff |
#326
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Colour Temperature (was CFLs and UHF interference)
In message , Mark
writes On Thu, 19 Jun 2008 22:39:36 +0100, geoff wrote: In message , Arfa Daily writes As for motorcycles, why do they drive round using full beam? I don't, I use dipped beam That really gives me black spots in my vision. I've started to put mine on now, when they approach me. AFAIK you can't buy a motorcycle in the UK where you can switch the headlights off! Err ... what ? off / parking / beam switch works for me What bike is this and how old? Honda Fireblade 5 years old All the new/newish bikes I have seen recently only have normal/main beam. However this only includes examples from a few manufacturers. I was told by a salesman that all bikes legally sold in the UK now do not have an off switch. Maybe I shouldn't have believed him? -- geoff |
#327
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Colour Temperature (was CFLs and UHF interference)
Andy Champ wrote:
:Jerry: wrote: Indeed, vehicles with automatic transmissions are very dangerous, I know someone who wrote off *four* brand new cars whilst doing a dealer PDI check on a new Volvo whilst it was "ticking over in Park" (well he actually had to rev it up to check the CO readings), on investigation (by the insurance Co and Volvo UK) it was found that a manufacturing fault had caused the box to select drive rather than 'Park' even though the lever *was* in Park. To write off one car like that - bad luck. Two - well, you'd think he'd take more care. But FOUR? I'm pretty sure by that stage part of *my* PDI would be to check for the known fault in the gearbox... I got the impression the three other cars were innocent bystanders rather than faulty volvos... -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
#328
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Car Headlight s(was Colour Temperature (was CFLs andUHF interference) )
Dave wrote:
Andy Champ wrote: do you happen to know if there are restrictions on how close to the front of the car headlights have to be? Usually in front of any metal bits at the front of the car, so as to cause the lights to shine forwards. It seems to me there may be aerodynamic restrictions caused just by light regulations. ??? For low drag you want the front of the car as low and smooth as possible. Now if you are required to be 2ft high 2ft from the front of the car for the lights there are strict limits on how low you can make the front of the car, which must surely affect drag. Have a look at this modern Audi le Mans racer http://img228.imageshack.us/img228/9445/0126ky.jpg and you'll see that (for aerodynamics) the front is limited only by the height of the wheel arches and the driver's knees. I doubt the mirrors are 2ft off the ground - imagine what the shape would be if there were fixed headlights above the front wheels. Pop-ups BTW were a fix used by some - Mazda's MX5 probably the most mass-market - but crash test legislation has largely killed that, and compulsory "headlights on all the time" would kill it completely. Andy |
#329
Posted to uk.d-i-y,uk.tech.broadcast
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Colour Temperature (was CFLs and UHF interference)
In article ,
charles wrote: when indictor lamps game out colours weren't specified. I remember having white ones to the front in a 1965 Anglia. But they weren't single filament bulbs. they were twin filament units in single glass envelope. Usually 12w and 21w. I thought we'd gone amber by law long before then. -- *Letting a cat out of the bag is easier than putting it back in * Dave Plowman London SW To e-mail, change noise into sound. |
#330
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Colour Temperature (was CFLs and UHF interference)
"geoff" wrote in message ... In message , Arfa Daily writes "geoff" wrote in message ... In message , Arfa Daily writes As for motorcycles, why do they drive round using full beam? I don't, I use dipped beam That really gives me black spots in my vision. I've started to put mine on now, when they approach me. AFAIK you can't buy a motorcycle in the UK where you can switch the headlights off! Err ... what ? off / parking / beam switch works for me -- geoff Actually, Arfa Daily *didn't* write that ... d;~} mea culpa - I was too lazy to go to the OP -- geoff No probs, old boy ! Arfa |
#331
Posted to uk.tech.broadcast,uk.d-i-y
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Colour Temperature (was CFLs and UHF interference)
Andy Champ wrote:
:Jerry: wrote: Indeed, vehicles with automatic transmissions are very dangerous, I know someone who wrote off *four* brand new cars whilst doing a dealer PDI check on a new Volvo whilst it was "ticking over in Park" (well he actually had to rev it up to check the CO readings), on investigation (by the insurance Co and Volvo UK) it was found that a manufacturing fault had caused the box to select drive rather than 'Park' even though the lever *was* in Park. To write off one car like that - bad luck. Two - well, you'd think he'd take more care. But FOUR? I'm pretty sure by that stage part of *my* PDI would be to check for the known fault in the gearbox... Andy Its patently obvious that ":Jerry:" is a man with one brain cell who is used to waving it around in a company of those who have none at all. |
#332
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Colour Temperature (was CFLs and UHF interference)
John Rumm wrote:
Andy Champ wrote: :Jerry: wrote: Indeed, vehicles with automatic transmissions are very dangerous, I know someone who wrote off *four* brand new cars whilst doing a dealer PDI check on a new Volvo whilst it was "ticking over in Park" (well he actually had to rev it up to check the CO readings), on investigation (by the insurance Co and Volvo UK) it was found that a manufacturing fault had caused the box to select drive rather than 'Park' even though the lever *was* in Park. To write off one car like that - bad luck. Two - well, you'd think he'd take more care. But FOUR? I'm pretty sure by that stage part of *my* PDI would be to check for the known fault in the gearbox... I got the impression the three other cars were innocent bystanders rather than faulty volvos... No Volvo is an innocent bystander. They are all guilty. |
#333
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Car Headlight s(was Colour Temperature (was CFLs andUHF interference) )
Andy Champ wrote:
Dave wrote: Andy Champ wrote: do you happen to know if there are restrictions on how close to the front of the car headlights have to be? Usually in front of any metal bits at the front of the car, so as to cause the lights to shine forwards. It seems to me there may be aerodynamic restrictions caused just by light regulations. ??? For low drag you want the front of the car as low and smooth as possible. Now if you are required to be 2ft high 2ft from the front of the car for the lights there are strict limits on how low you can make the front of the car, which must surely affect drag. Have a look at this modern Audi le Mans racer http://img228.imageshack.us/img228/9445/0126ky.jpg and you'll see that (for aerodynamics) the front is limited only by the height of the wheel arches and the driver's knees. I doubt the mirrors are 2ft off the ground - imagine what the shape would be if there were fixed headlights above the front wheels. Pop-ups BTW were a fix used by some - Mazda's MX5 probably the most mass-market - but crash test legislation has largely killed that, and compulsory "headlights on all the time" would kill it completely. Andy Less than nineteen inches? http://news.bbc.co.uk/1/hi/technology/7381078.stm (I don't think the jet engine is mandatory.) -- Rod Hypothyroidism is a seriously debilitating condition with an insidious onset. Although common it frequently goes undiagnosed. www.thyromind.info www.thyroiduk.org www.altsupportthyroid.org |
#334
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Colour Temperature (was CFLs and UHF interference)
The Natural Philosopher wrote:
Mark Carver wrote: Rod wrote: :Jerry: wrote: First rule taught to all in the motor trade, ALWAYS depress the clutch (or put the left foot on the brake if the vehicle is an automatic) BEFORE operating the starter, a sloppy / mal-adjusted gear leaver can give the 'appearance' of being in neutral (or park) but not actually being so. snip I was told, when I first started driving, to engage the clutch when starting because it relieves load on the battery/starter. This may have been more of an issue with cars of the time, but it's a habit I've never got out of. Rob |
#335
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Colour Temperature (was CFLs and UHF interference)
On 2008-06-21 03:09:31 +0100, The Natural Philosopher said:
John Rumm wrote: Andy Champ wrote: :Jerry: wrote: Indeed, vehicles with automatic transmissions are very dangerous, I know someone who wrote off *four* brand new cars whilst doing a dealer PDI check on a new Volvo whilst it was "ticking over in Park" (well he actually had to rev it up to check the CO readings), on investigation (by the insurance Co and Volvo UK) it was found that a manufacturing fault had caused the box to select drive rather than 'Park' even though the lever *was* in Park. To write off one car like that - bad luck. Two - well, you'd think he'd take more care. But FOUR? I'm pretty sure by that stage part of *my* PDI would be to check for the known fault in the gearbox... I got the impression the three other cars were innocent bystanders rather than faulty volvos... No Volvo is an innocent bystander. They are all guilty. Especially the ones where the driver has a hat |
#336
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Colour Temperature (was CFLs and UHF interference)
In article ,
Rob wrote: The Natural Philosopher wrote: Mark Carver wrote: Rod wrote: :Jerry: wrote: First rule taught to all in the motor trade, ALWAYS depress the clutch (or put the left foot on the brake if the vehicle is an automatic) BEFORE operating the starter, a sloppy / mal-adjusted gear leaver can give the 'appearance' of being in neutral (or park) but not actually being so. snip I was told, when I first started driving, to engage the clutch when starting because it relieves load on the battery/starter. This may have been more of an issue with cars of the time, but it's a habit I've never got out of. I was also taught the same. On a cold morning you don't want the battery (which will have reduced output because it's cold) having to stir up the oil in the gear box as well as the engine. Maybe I learned this because in general, where I lived, it froze at night in the winter. -- From KT24 - in "Leafy Surrey" Using a RISC OS computer running v5.11 |
#337
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Colour Temperature (was CFLs and UHF interference)
John Rumm wrote:
I got the impression the three other cars were innocent bystanders rather than faulty volvos... That does make more sense I admit. Perhaps the "someone" wasn't :jerry: after all! Andy |
#338
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Car Headlight s(was Colour Temperature (was CFLs andUHF interference) )
Rod wrote:
Less than nineteen inches? http://news.bbc.co.uk/1/hi/technology/7381078.stm (I don't think the jet engine is mandatory.) They may claim it's road legal, but IMHO the headlights are too low. Oh, and the jet is a fake. They *aren't* road legal! Andy |
#339
Posted to uk.d-i-y,uk.tech.broadcast
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Colour Temperature (was CFLs and UHF interference)
On Sat, 21 Jun 2008 08:27:24 +0100, Rob wrote:
I was told, when I first started driving, to engage the clutch when starting because it relieves load on the battery/starter. How does engaging the clutch reduce the load? The default state (pedal not pressed) of the clutch is engaged and the input shaft of the gear box is driven. Now if you *disengaged* the clutch, by pressing the clutch pedal, drive is removed from the gearbox input shaft. -- Cheers Dave. |
#340
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Car Headlight s(was Colour Temperature (was CFLs and UHF interference) )
"Andy Champ" wrote in message . uk... Rod wrote: Less than nineteen inches? http://news.bbc.co.uk/1/hi/technology/7381078.stm (I don't think the jet engine is mandatory.) They may claim it's road legal, but IMHO the headlights are too low. AFAICS they need to be a minimum of 500 mm from the ground to be dipped beam headlamps. http://www.opsi.gov.uk/si/si1989/Uks...en_9.htm#nsch4 That makes the car possibly legal if there are pop dipped beam units fitted. Of course it isn't a new car so it may just predate any of the laws. Its a stupid design for a car anyway and the designer is just showing how stupid he is. If you want a go kart buy a go kart. |
#341
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Car Headlight s(was Colour Temperature (was CFLs andUHF interference) )
dennis@home wrote:
Its a stupid design for a car anyway and the designer is just showing how stupid he is. In you not so humble opinion I take it? The designer has demonstrated significant skill in packaging, and the finish while not to everyone's taste appears to be rather good. I think the design should be applauded - there is no reason cars should all be dull and uninteresting lumps. If you want a go kart buy a go kart. That would be a Woosh then.... -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
#342
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Car Headlight s(was Colour Temperature (was CFLs and UHF interference) )
"John Rumm" wrote in message ... dennis@home wrote: Its a stupid design for a car anyway and the designer is just showing how stupid he is. In you not so humble opinion I take it? The designer has demonstrated significant skill in packaging, Poor skill as it happens, it a stupid design. I bet Ford could do one much lower if there was *any* reason to. He could have driven lying down and used mirrors then he could have fitted a roll bar and actually built a car that might be legal, once you put in the pop up lights and other stuff to pass the mot. Building it on something like an old mini subframe just so you don't have to pass any of the current laws isn't significant packaging skill. and the finish while not to everyone's taste appears to be rather good. I think the design should be applauded - there is no reason cars should all be dull and uninteresting lumps. That one is so uninteresting you wouldn't notice it. Ooops, that was the problem. Now where's my lorry tyre jack? I wonder if he has a flag on a stick for his C5? If you want a go kart buy a go kart. That would be a Woosh then.... -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
#343
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Car Headlight s(was Colour Temperature (was CFLs and UHF interference) )
On Fri, 20 Jun 2008 21:48:00 +0100 Andy Champ wrote :
do you happen to know if there are restrictions on how close to the front of the car headlights have to be? On cars like the new Micra they are some way back. The frog-eye Sprite was so designed IIRC because of a minimum rule re headlight height -- Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk |
#344
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Car Headlight s(was Colour Temperature (was CFLs and UHF interference))
Tony Bryer wrote:
On Fri, 20 Jun 2008 21:48:00 +0100 Andy Champ wrote : do you happen to know if there are restrictions on how close to the front of the car headlights have to be? On cars like the new Micra they are some way back. The frog-eye Sprite was so designed IIRC because of a minimum rule re headlight height Not at all sure they are any further back from the front of a Micra than, for example, on my old Saab. However, I am assuming that the rules include the full depth of the bumper which was significant on the Saab and not very on a Micra. I had a feeling that a Jaguar or a Citroen might have had the greatest distance. So I went to have a look on Google image search for Citroen and found this example from one of their concept cars: http://www.diseno-art.com/encyclopedia/concept_cars/citroen_c-airlounge.html On the same page, I also noticed this - which made me smile. (You might want to be careful where you are and who you are with if/when you look at this.): http://www.logohallucination.com/2006/11/15/woman-heap-vs-citroen/ -- Rod Hypothyroidism is a seriously debilitating condition with an insidious onset. Although common it frequently goes undiagnosed. www.thyromind.info www.thyroiduk.org www.altsupportthyroid.org |
#345
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Car Headlight s(was Colour Temperature (was CFLs and UHF interference))
Rod wrote:
Tony Bryer wrote: On Fri, 20 Jun 2008 21:48:00 +0100 Andy Champ wrote : do you happen to know if there are restrictions on how close to the front of the car headlights have to be? On cars like the new Micra they are some way back. The frog-eye Sprite was so designed IIRC because of a minimum rule re headlight height Not at all sure they are any further back from the front of a Micra than, for example, on my old Saab. However, I am assuming that the rules include the full depth of the bumper which was significant on the Saab and not very on a Micra. I had a feeling that a Jaguar or a Citroen might have had the greatest distance. So I went to have a look on Google image search for Citroen and found this example from one of their concept cars: http://www.diseno-art.com/encyclopedia/concept_cars/citroen_c-airlounge.html But I can't see where the toilet rolls are. On the same page, I also noticed this - which made me smile. (You might want to be careful where you are and who you are with if/when you look at this.): http://www.logohallucination.com/2006/11/15/woman-heap-vs-citroen/ Might take you an hour to sample the goods and you will exit this with a bad back, but... Who cares. Dave |
#346
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Colour Temperature (was CFLs and UHF interference)
Dave Liquorice wrote:
On Sat, 21 Jun 2008 08:27:24 +0100, Rob wrote: I was told, when I first started driving, to engage the clutch when starting because it relieves load on the battery/starter. How does engaging the clutch reduce the load? The default state (pedal not pressed) of the clutch is engaged and the input shaft of the gear box is driven. Now if you *disengaged* the clutch, by pressing the clutch pedal, drive is removed from the gearbox input shaft. Yes, 'push it in' as I would have it. On my old Mini I was told it did something with the transfer gears as well. Rob |
#347
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Car Headlight s(was Colour Temperature (was CFLs and UHFinterference) )
Rod gurgled happily, sounding much like they were
saying: do you happen to know if there are restrictions on how close to the front of the car headlights have to be? On cars like the new Micra they are some way back. The frog-eye Sprite was so designed IIRC because of a minimum rule re headlight height Not at all sure they are any further back from the front of a Micra than, for example, on my old Saab. However, I am assuming that the rules include the full depth of the bumper which was significant on the Saab and not very on a Micra. I had a feeling that a Jaguar or a Citroen might have had the greatest distance. Seen where the main beam is on a Fiat Multipla? |
#348
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Car Headlight s(was Colour Temperature (was CFLs and UHF interference) )
In message , charles
writes [] I seem to remember that there is a maximum distance that the lights have to be from the edge, but I don't think there was ever anything about how far recessed they could be. I believe that the from-the-side rule (probably American) is why the later Land Rovers have the headlights in the front of the wings rather than nearer the centre as in older models. -- J. P. Gilliver. UMRA: 1960/1985 MB++G.5AL(+++)IS-P--Ch+(p)Ar+T[?]H+Sh0!:`)DNAf ** http://www.soft255.demon.co.uk/G6JPG-PC/JPGminPC.htm for thoughts on PCs. ** All I ask is to _prove_ that money can't make me happy. |
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