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Old 13 August 2006, 09:19   #31
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.... I thought we were talking about LPG ?? not using red diesel??

I would like SOMEBODY to tell me if I can convert my 2t HPDI to LPG- as having failed to get any response to a previous query about injector timing - I will now have to run tests en situ............ even the fountain of all knowledge,- technical,political,envireomental, - the one and only codfish - did not offer any advice....

Jonathan
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Old 13 August 2006, 10:41   #32
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Originally Posted by eupa
.... I thought we were talking about LPG ?? not using red diesel??

I would like SOMEBODY to tell me if I can convert my 2t HPDI to LPG- as having failed to get any response to a previous query about injector timing - I will now have to run tests en situ............ even the fountain of all knowledge,- technical,political,envireomental, - the one and only codfish - did not offer any advice....

Jonathan
In theory you could convert any ic engine. Never having seen the innards of a Yam 250 I won't comment. I still think you should try kero
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Old 13 August 2006, 11:45   #33
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thanks codders- but the financial incentive using a kero mixture is not all that great,,, whilst LPG could offer a considerable savings,
Eurosuper now at a quid a liter and looking to stay that way for some time- and bearing in mind that mere mortals like myself cannot easily claw the duty back- makes even starting the engines a costly experience.

Jonathan
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Old 13 August 2006, 21:48   #34
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Originally Posted by eupa
thanks codders- but the financial incentive using a kero mixture is not all that great,,, whilst LPG could offer a considerable savings,
Eurosuper now at a quid a liter and looking to stay that way for some time- and bearing in mind that mere mortals like myself cannot easily claw the duty back- makes even starting the engines a costly experience.

Jonathan

Surely heating oil is cheaper than petrol??? There is a hell of a difference here.
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Old 14 August 2006, 05:22   #35
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Surely heating oil is cheaper than petrol??? There is a hell of a difference here.

But then you get into that nasty bind of using non excise-fuel, and I believe that if you mix kero with petrol - theoretically you are still liable for the total duty.....Anyway as posted previousely, put your money where your mouth is ( excuse the crude english) - and try it on your engine first... then tell me how you get on.......

jonathan
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Old 14 August 2006, 08:18   #36
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Originally Posted by eupa
Surely heating oil is cheaper than petrol??? There is a hell of a difference here.

But then you get into that nasty bind of using non excise-fuel, and I believe that if you mix kero with petrol - theoretically you are still liable for the total duty.....Anyway as posted previousely, put your money where your mouth is ( excuse the crude english) - and try it on your engine first... then tell me how you get on.......

jonathan

If it wasn't for the fact I will be running commercially and claiming the duty back I really would. No more than 50% mind. I don't think it would be a problem legally in the UK as you can use red diesel ok.
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Old 14 August 2006, 17:25   #37
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so.... how would you be proposing to get the 2 stroke oil round the engine if you were using LPG?
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Old 14 August 2006, 17:38   #38
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If it wasn't for the fact I will be running commercially and claiming the duty back I really would. No more than 50% mind. I don't think it would be a problem legally in the UK as you can use red diesel ok.
think you will find heating oil has no duty added but red diesel has approx 6p per L so you would upset the tax man.

Have the revenue agreed to giving you a rebait on ALL your boat fuel then?
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Old 14 August 2006, 18:23   #39
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think you will find heating oil has no duty added but red diesel has approx 6p per L so you would upset the tax man.

Have the revenue agreed to giving you a rebait on ALL your boat fuel then?
Only on commercial use obviously. Got a few jobs to do on the boat and then will get her coded. Think I have some work lined up already for the winter - so won't be just a summer thing.
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Old 15 August 2006, 03:17   #40
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so.... how would you be proposing to get the 2 stroke oil round the engine if you were using LPG?

these are yams HPDI 2t - not carbs- the oil is injected to the crank direct and not premixed- i,e the "petrol" goes on top of the piston and the oil to the crank ( i think that's what happens- ) i,e it then behaves as a' 4t' except you only have two cycles per bang-- somebody correct me if I am wrong...
Basically how i see it is that LPG already in a gaseous state just replaces vaporized petrol..

jonathan
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