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#1
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Central heating pump for diesel
Hi there
Does anyone know if I can transfer diesel using a standard central heating pump? Thanks J |
#2
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Central heating pump for diesel
wrote in message oups.com... Hi there Does anyone know if I can transfer diesel using a standard central heating pump? Thanks J I have used a drill pump to transfer diesel for a couple of years without ill effect. I would hazard (pardon the pun) a guess that a central heating pump would be ok, although I wouldn't try it with petrol - after all its totally enclosed so no air would be present and diesel is a pretty inert liquid until it gets atomised and aerated. I have a partially seized / nearly new one which I am just about to take apart, so I will have a good look and see what's in there.... ......Ask Grundfos.... ?? Nick |
#3
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Central heating pump for diesel
Thanks for the reply Nick!
Yes, I've seen those drill pumps and thought about it, there are probably some plastic parts in the CH pump, I guess if I don't run it at full speed it should be OK. Thanks again mate Jon |
#4
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Central heating pump for diesel
wrote in message ps.com... Thanks for the reply Nick! Yes, I've seen those drill pumps and thought about it, there are probably some plastic parts in the CH pump, I guess if I don't run it at full speed it should be OK. Thanks again mate The Grundfos is a plastic impeller and the rest ceramic and stainless steel. |
#5
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Central heating pump for diesel
wrote in message
oups.com... Hi there Does anyone know if I can transfer diesel using a standard central heating pump? Thanks J I suppose the pump from an oil fired boiler would be ideal. You might be able to get an old one from a service company. They generate quite a bit of pressure, so you don't want to block the path. -- Michael Chare |
#6
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Central heating pump for diesel
On 4 Dec 2005 21:49:25 -0800, wrote:
Does anyone know if I can transfer diesel using a standard central heating pump? Thanks J I wouldn't the water is used as a bearing lubricant and surrounds the motor. For £105 (Machine Mart, other places might be cheaper) you can get a proper mains driven (12 and 24v available) transfer pump complete with hoses and delivery nozzle. -- Cheers Dave. pam is missing e-mail |
#7
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Central heating pump for diesel
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#8
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Central heating pump for diesel
In article ews.net,
Doctor Drivel wrote: The Grundfos is a plastic impeller and the rest ceramic and stainless steel. Strange. Most I've seen have a cast iron body. Is this the type used on Zog? -- *Why is the word abbreviation so long? * Dave Plowman London SW To e-mail, change noise into sound. |
#9
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Central heating pump for diesel
Dave Liquorice wrote:
I wouldn't the water is used as a bearing lubricant and surrounds the motor. For £105 (Machine Mart, other places might be cheaper) you can get a proper mains driven (12 and 24v available) transfer pump complete with hoses and delivery nozzle. I have one of these (12V), and it's been very useful. -- Grunff |
#10
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Central heating pump for diesel
"Dave Plowman (News)" through a haze of senile flatulence wrote in message ... In article ews.net, Doctor Drivel wrote: The Grundfos is a plastic impeller and the rest ceramic and stainless steel. Strange. He is strange indeed. ** snip senile babble ** |
#11
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Central heating pump for diesel
In article , Michael Chare wrote:
I suppose the pump from an oil fired boiler would be ideal. You might be able to get an old one from a service company. Surely this would be low volume, high pressure and the OP wants the opposite? -- Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk Free SEDBUK boiler database browser http://www.sda.co.uk/qsedbuk.htm [Latest version QSEDBUK 1.10 released 4 April 2005] |
#13
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Central heating pump for diesel
"Ed Sirett" wrote in message news On Mon, 05 Dec 2005 05:58:18 -0800, Aidan wrote: wrote: Does anyone know if I can transfer diesel using a standard central heating pump? The diesel would probably knacker the bearings eventually, but I've no idea how long they'd last. The main problem would be that the pump flow rate and the head developed would be fairly pathetic. The UPS 15-50 could only produce a maximum of 0.5m head (with water), and that at minimum/0 flow rate, so it won't move the diesel through much height. It also isn't self-priming so you'd need some cunning arrangement to syphon liquid into the pump inlet before it would start pumping. The oil burner pump would deliver very high (dangerous & unnecessarily high) pressure & small flow rate. An old shower pump might give better flow/head, but still isn't self-priming. Unless it's for one-off use, you'd do better to buy a proper diesel pump, or recycle a 12V fuel pump from a diesel car/lorry/bus. I think Machine Mart or Screwfix do something intended for this application. The pump delivers 5m head with water so you should get 4m head with oil. If the ceramic bearings are lubricated by water then diesel should be OK. Diesel maybe too thick for it. I would make sure you use fibre washers rather than rubber on the pump flanges. The diesel will probably leak very easily. I've not tried this as I have no need to do anything other than fill my van at the filling station. One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. The Ultimate cleaned all the fuel system inside and out and the sensors too. He said was like having the thing serviced. He only ever uses Ultimate now. He used to put Esso diesel in it. Worth trying. |
#14
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Central heating pump for diesel
In message om, Aidan
writes wrote: Does anyone know if I can transfer diesel using a standard central heating pump? The diesel would probably knacker the bearings eventually, The bearing is water lubricated, I don't know how well diesel would perform, liquid is liquid but I've no idea how long they'd last. The main problem would be that the pump flow rate and the head developed would be fairly pathetic. The UPS 15-50 could only produce a maximum of 0.5m head (with water), 5 metres (static) surely and that at minimum/0 flow rate, so it won't move the diesel through much height. It also isn't self-priming so you'd need some cunning arrangement to syphon liquid into the pump inlet before it would start pumping. The oil burner pump would deliver very high (dangerous & unnecessarily high) pressure & small flow rate. An old shower pump might give better flow/head, but still isn't self-priming. Unless it's for one-off use, you'd do better to buy a proper diesel pump, or recycle a 12V fuel pump from a diesel car/lorry/bus. I think Machine Mart or Screwfix do something intended for this application. -- geoff |
#15
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Central heating pump for diesel
On Mon, 5 Dec 2005 21:56:18 -0000, "Doctor Drivel"
wrote: One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. Didn't you realise he was winding you up? -- |
#16
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Central heating pump for diesel
"Matt" wrote in message ... On Mon, 5 Dec 2005 21:56:18 -0000, "Doctor Drivel" wrote: One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. Didn't you realise he was winding you up? The Fitter? No wind up. I have known him for many years. |
#17
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Central heating pump for diesel
On Mon, 5 Dec 2005 22:21:36 -0000, "Doctor Drivel"
wrote: "Matt" wrote in message .. . On Mon, 5 Dec 2005 21:56:18 -0000, "Doctor Drivel" wrote: One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. Didn't you realise he was winding you up? The Fitter? No wind up. I have known him for many years. So what? To lubricate a speedo only very light machine oil should be used. Diesel is far too heavy. -- |
#18
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Central heating pump for diesel
"Matt" aka Lord Hall wrote in message ... On Mon, 5 Dec 2005 22:21:36 -0000, "Doctor Drivel" wrote: "Matt" wrote in message .. . On Mon, 5 Dec 2005 21:56:18 -0000, "Doctor Drivel" wrote: One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. Didn't you realise he was winding you up? The Fitter? No wind up. I have known him for many years. So what? To lubricate a speedo only very light machine oil should be used. Diesel is far too heavy. Lord Hall, read it again. The speedo drive is taken off the fuel pump drive, or senses the speed from there. Could be electronic. The fuel cleaned the fuel lines and any sensors in the lines. |
#19
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Central heating pump for diesel
raden wrote: but I've no idea how long they'd last. The main problem would be that the pump flow rate and the head developed would be fairly pathetic. The UPS 15-50 could only produce a maximum of 0.5m head (with water), 5 metres (static) surely Yes, bugger. Write out 100 times, 50 dm does not equal 0.5m. |
#20
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Central heating pump for diesel
In article ews.net,
Doctor Drivel wrote: One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. You don't half talk some ****e. A speedometer has to be driven off something related to road speed, strangely. Like the output of the gearbox, etc. -- *Honk if you love peace and quiet. Dave Plowman London SW To e-mail, change noise into sound. |
#21
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Central heating pump for diesel
In article ews.net,
Doctor Drivel wrote: Lord Hall, read it again. The speedo drive is taken off the fuel pump drive, or senses the speed from there. Could be electronic. To start the engine the fuel pump must run. So the speedometer reads while you're standing still? What a pillock you are dribble. Might be the rev counter, I suppose. Although these are usually fed from the alternator on diesels. -- *Oh, what a tangled website we weave when first we practice * Dave Plowman London SW To e-mail, change noise into sound. |
#22
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Central heating pump for diesel
"Dave Plowman (News)" through a haze of senile flatulence wrote in message ... In article ews.net, Doctor Drivel wrote: Lord Hall, read it again. The speedo drive is taken off the fuel pump drive, or senses the speed from there. Could be electronic. To start the engine the fuel pump must run. So the speedometer reads while you're standing still? Richard Cranium, do you know this engine inside and out? ** snip idiotic senility ** |
#23
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Central heating pump for diesel
"Dave Plowman (News)" through a haze of senile flatulence wrote in message ... In article ews.net, Doctor Drivel wrote: One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. You don't ** snip overt idiotic senility ** Care in the community has clearly failed. |
#24
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Central heating pump for diesel
The message ews.net
from "Doctor Drivel" contains these words: Lord Hall, read it again. The speedo drive is taken off the fuel pump drive, or senses the speed from there. Could be electronic. To start the engine the fuel pump must run. So the speedometer reads while you're standing still? Richard Cranium, do you know this engine inside and out? ** snip idiotic senility ** You can say one thing about Dribble. However absurd his views are he will stick to them like **** to a shovel. Most of us don't need to know anything at all about that particular engine to realise that the closest any output from the fuel pump can come to indicating road speed is to feed a rev counter. Some of us may even be able to tell our road speed from the reading on a rev counter but that requires in addition to a knowledge of final drive ratios the certainty that the clutch is not slipping. While the fiendishly clever Nipponese might be able to devise such a box of tricks they are also clever enough to understand you don't spend many times the cost of the standard solution to provide an inferior alternative. -- Roger Chapman |
#25
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Central heating pump for diesel
In article ews.net,
Doctor Drivel wrote: Lord Hall, read it again. The speedo drive is taken off the fuel pump drive, or senses the speed from there. Could be electronic. To start the engine the fuel pump must run. So the speedometer reads while you're standing still? Richard Cranium, do you know this engine inside and out? Don't need to - unlike you I understand the principles these things work on. Fuel pumps these days on most engines are designed to give a near constant pressure to the fuel rail. Which bears no relation to the road speed. And even in an old design where the pump supplied to demand the road speed had little bearing on this. Maximum demand might well have been climbing a steep hill at 20mph... ** snip idiotic senility ** Perhaps one day you'd just admit when you're wrong, **** for brains. Fat chance. -- *What was the best thing before sliced bread? Dave Plowman London SW To e-mail, change noise into sound. |
#26
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Central heating pump for diesel
"Roger" wrote overt Rogerness in message k... The message ews.net from "Doctor Drivel" contains these words: Lord Hall, read it again. The speedo drive is taken off the fuel pump drive, or senses the speed from there. Could be electronic. To start the engine the fuel pump must run. So the speedometer reads while you're standing still? Richard Cranium, do you know this engine inside and out? ** snip idiotic senility ** ** snip Rogerness ** Most of us don't need to know anything at all about that particular engine to realise that the closest any output from the fuel pump can come to indicating road speed is to feed a rev counter. It may be that Roger. I know was a round thing on the dash that didn't work, but now it does because he used Ultimate fuel, which is the prime point. Your Rogerness is getting to you Roger, you must see the prime point. ** snip babbling Rogerness ** |
#27
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Central heating pump for diesel
In article ,
Roger wrote: To start the engine the fuel pump must run. So the speedometer reads while you're standing still? Richard Cranium, do you know this engine inside and out? ** snip idiotic senility ** You can say one thing about Dribble. However absurd his views are he will stick to them like **** to a shovel It's the complete lack of basic knowledge that shows all the time. If he can't quote a website or advert he's lost. And in the past claimed to have some form of engineering degree. A child of 5 who's played with a Meccano set could tell you you won't get road speed off any fuel pump for an IC engine. -- *Happiness is seeing your mother-in-law on a milk carton Dave Plowman London SW To e-mail, change noise into sound. |
#28
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Central heating pump for diesel
In article ews.net,
Doctor Drivel wrote: Most of us don't need to know anything at all about that particular engine to realise that the closest any output from the fuel pump can come to indicating road speed is to feed a rev counter. It may be that Roger. I know was a round thing on the dash that didn't work, Very technical description. Could be the cigarette lighter? but now it does because he used Ultimate fuel, which is the prime point. No, the prime point is that you wrote rubbish and didn't realise it. And as usual refuse to admit your crass stupidity. Your Rogerness is getting to you Roger, you must see the prime point. Going on to your advert for Ultimate, perhaps you'd explain how a device which measures rotation against time could work/not work by the fuel going through a pump? Because either the pump works or it doesn't. Older OBCs used a flow sensor in the fuel line to determine fuel consumption. This could possibly get blocked with crud. Dunno if this was ever used with diesels, though. -- *There are two sides to every divorce: Yours and **** head's* Dave Plowman London SW To e-mail, change noise into sound. |
#29
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Central heating pump for diesel
On Tue, 06 Dec 2005 10:56:22 +0000 (GMT), "Dave Plowman (News)"
wrote: Older OBCs used a flow sensor in the fuel line to determine fuel consumption. This could possibly get blocked with crud. Dunno if this was ever used with diesels, though. Never, AFAIK. Too many diesels (even years ago) recirculated fuel back to the tank. Obviously this makes fuel volume measuring awkward with a simple flow sensor in the pipe. Injected petrol engines control fuel flow by varying the injector timing - just when it's open. Diesels with mechanical injectors did it instead by opening a spill port. The injection pumps run at a constant volume no matter what the load, but the excess when running light is spilled into an overflow, rather than being sent to the injectors. Recirculating this spillage round the pump itself would soon churn the fuel into a froth and over-heat it, so instead it's sent back to the main tank. If you have a cold-climate diesel there's usually a small header tank (where the dewaxing heater is) and the spillage pipe only goes that far back. |
#30
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Central heating pump for diesel
Doctor Drivel wrote:
Care in the community has clearly failed. Aye. So it would seem... |
#31
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Central heating pump for diesel
In article ,
Andy Dingley wrote: Older OBCs used a flow sensor in the fuel line to determine fuel consumption. This could possibly get blocked with crud. Dunno if this was ever used with diesels, though. Never, AFAIK. Too many diesels (even years ago) recirculated fuel back to the tank. Obviously this makes fuel volume measuring awkward with a simple flow sensor in the pipe. Yes - I suspected this. And many petrol engines have done the same for many a year - even before injection became the norm, as it helps prevent fuel evaporation. My '69 Rover P6 did. However, it was possible to use a flow counter into the carbs. The SDI carb cars did this for the OBC. Later injection ones measure injection opening. Injected petrol engines control fuel flow by varying the injector timing - just when it's open. Diesels with mechanical injectors did it instead by opening a spill port. The injection pumps run at a constant volume no matter what the load, but the excess when running light is spilled into an overflow, rather than being sent to the injectors. Recirculating this spillage round the pump itself would soon churn the fuel into a froth and over-heat it, so instead it's sent back to the main tank. If you have a cold-climate diesel there's usually a small header tank (where the dewaxing heater is) and the spillage pipe only goes that far back. Yup - as I'd guessed, but I'm no expert on diesels. But it certainly gives the lie to dribbles idea that it drives the speedo. Or revcounter, come to that. They're usually driven off an AC output from the alternator. -- *Verbs HAS to agree with their subjects * Dave Plowman London SW To e-mail, change noise into sound. |
#32
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Central heating pump for diesel
On Mon, 5 Dec 2005 22:46:23 -0000, "Doctor Drivel"
wrote: "Matt" aka Lord Hall wrote in message .. . On Mon, 5 Dec 2005 22:21:36 -0000, "Doctor Drivel" wrote: "Matt" wrote in message .. . On Mon, 5 Dec 2005 21:56:18 -0000, "Doctor Drivel" wrote: One of the heating fitters I know has a Hyundai van, and swears by it. The Speedo started to play up and it was running a bit rough. By mistake he put BP Ultimate diesel in it. The performance and smoothness improved enormously and the Speedo then worked OK. The speedo is taken off the fuel pump. Didn't you realise he was winding you up? The Fitter? No wind up. I have known him for many years. So what? To lubricate a speedo only very light machine oil should be used. Diesel is far too heavy. Lord Hall, read it again. The speedo drive is taken off the fuel pump drive, or senses the speed from there. Could be electronic. I'm not Lord Hall That's a bit magic that is. Does it just guess the gear ratio then or does it not have a gearbox? Maybe it's like the Prius and has a CVT Gearbox like what you said. The fuel cleaned the fuel lines and any sensors in the lines. Now that bit I can believe. Are you really, really sure he didn't squirt some diesel onto the speedo head? :-) If you didn't exist no amount of computers, no matter how badly programmed by Microsoft could ever come up with such utter Dribble. -- |
#33
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Central heating pump for diesel
In article , Dave Plowman (News)
writes In article , Andy Dingley wrote: Older OBCs used a flow sensor in the fuel line to determine fuel consumption. This could possibly get blocked with crud. Dunno if this was ever used with diesels, though. Never, AFAIK. Too many diesels (even years ago) recirculated fuel back to the tank. Obviously this makes fuel volume measuring awkward with a simple flow sensor in the pipe. Yes - I suspected this. All "traditional" diesels with the classic mechanical injector pump will have a flow and return fuel line. And many petrol engines have done the same for many a year - even before injection became the norm, I seem to remember having this on my 2 Nova's as it helps prevent fuel evaporation. I suspect it makes the carb design better/cheaper as a float and valve is not required, and the design of the fuel pump as well as the fuel pump is not required to stop pumping when the carb float shuts its valve. -- Mr X |
#34
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Central heating pump for diesel
On Tue, 06 Dec 2005 14:21:47 +0000, Matt
wrote: Does it just guess the gear ratio then My Dad's 1932 MG has a huge rev counter and no speedo. The rev counter is calibrated as a speedo for 3rd and 4th gear. |
#35
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Central heating pump for diesel
In article ,
Mr X wrote: And many petrol engines have done the same for many a year - even before injection became the norm, I seem to remember having this on my 2 Nova's as it helps prevent fuel evaporation. I suspect it makes the carb design better/cheaper as a float and valve is not required, All the ones I've seen still had a float and valve. and the design of the fuel pump as well as the fuel pump is not required to stop pumping when the carb float shuts its valve. Older single pipe designs will have had some form of pressure limiting device in the pump. SU electric simply stopped pumping. ;-) -- *If they arrest the Energizer Bunny, would they charge it with battery? * Dave Plowman London SW To e-mail, change noise into sound. |
#36
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Central heating pump for diesel
The message
from "Dave Plowman (News)" contains these words: Yup - as I'd guessed, but I'm no expert on diesels. But it certainly gives the lie to dribbles idea that it drives the speedo. Or revcounter, come to that. They're usually driven off an AC output from the alternator. If I understood what the service engineer said my neighbours tractor (a Zetor) which only has a rev counter (and a hour meter rather than an odometer) has a pulse counter somewhere on the fuel line to drive the rev counter. -- Roger Chapman |
#37
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Central heating pump for diesel
On Tue, 6 Dec 2005 17:15:04 GMT, Roger
wrote: If I understood what the service engineer said my neighbours tractor (a Zetor) which only has a rev counter (and a hour meter rather than an odometer) has a pulse counter somewhere on the fuel line to drive the rev counter. I doubt this. (Somewhere) I have a pile of fuel line pressure sensors for diesels, all broken. They weren't cheap, and they're just about the least reliable sensor I've ever used. Even for a job with a decent budget we could buy these things easily enough (several makers) but none were reliable in service, let alone long-term. If you want to measure revs, just count the shaft turning, that's dead easy. |
#38
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Central heating pump for diesel
Doctor Drivel wrote:
The speedo drive is taken off the fuel pump drive, or senses the speed from there. ROFL!! So your 'speed' is actually your fuel consumption. That means you go faster uphill than you do downhill. -- Grunff |
#39
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Central heating pump for diesel
On Tue, 6 Dec 2005 17:15:04 GMT, Roger
wrote: The message from "Dave Plowman (News)" contains these words: Yup - as I'd guessed, but I'm no expert on diesels. But it certainly gives the lie to dribbles idea that it drives the speedo. Or revcounter, come to that. They're usually driven off an AC output from the alternator. If I understood what the service engineer said my neighbours tractor (a Zetor) which only has a rev counter (and a hour meter rather than an odometer) has a pulse counter somewhere on the fuel line to drive the rev counter. Quite common. Something similar is commonly used during diesel servicing for setting the pump timing. You can get a sensor that clips round the injector piping and this then provides a trigger signal for conventional timing lights. -- |
#40
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Central heating pump for diesel
On Tue, 06 Dec 2005 19:08:46 +0000, Grunff wrote:
Doctor Drivel wrote: The speedo drive is taken off the fuel pump drive, or senses the speed from there. ROFL!! So your 'speed' is actually your fuel consumption. That means you go faster uphill than you do downhill. In the land of Zog anything is possible. -- |
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