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Topic: LPG

Stratford s

25/4/2018 at 5:22pm
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I’m having my camper converted into gas could I use the same tank to run my cooker and heating?

Colin21

25/4/2018 at 6:20pm
Location: East Herts
Outfit: 1992 Elddis Wisp 450CT + X Trail

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I would have thought that it was theoretically possible, as the gas you will be running on is probably propane. I used to run a Transit on propane and it was brilliant. The performance of petrol and cheaper even than diesel.

I would mention it to the converter, who could possibly provide an additional take-off point for a domestic regulator. Not sure if there are any legal issues though.

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Colin

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Opensauce

25/4/2018 at 7:26pm
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No you cannot run cooking etc from autogas tank. Simple reason is that engine runs on the gas supplied in liquid form & gas appliances run on the gas in vapour form. It would be possible to design a tank to do both but not with the standard tanks usually suppled to contain autogas as fitted on gas conversions.

Colin21

25/4/2018 at 8:54pm
Location: East Herts
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Quote: Originally posted by Opensauce on 25/4/2018
No you cannot run cooking etc from autogas tank. Simple reason is that engine runs on the gas supplied in liquid form & gas appliances run on the gas in vapour form. It would be possible to design a tank to do both but not with the standard tanks usually suppled to contain autogas as fitted on gas conversions.

Surely the gas stored in a normal gas cylinder is in liquid form too? It only turns into a gas when it comes out. My Transit had a big pressure regulator under the bonnet, and the propane coming out of that was in gas form when it went into the engine. I am by no means a expert on this though, and the O/P would be best advised to contact someone who is. Unless of course that is you Opensauce?

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Colin

Stratford s

25/4/2018 at 11:42pm
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Thanks for the information the guy doing the gas conversation did say no you can’t but then I’ve seen you can buy top up gas bottles that you full at a gas station that saves you having to pay the higher prices for gas bottles exchanging the for refills? ?

pepe63

26/4/2018 at 9:06am
Location: Shropshire
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As Opensauce said,I think that gas for "propulsion" is taken off in liquid form, whereas for "Domestic"(cooking etc)use, it is(must be)taken in gas form..?
So a tank would need two, different positioned take-off points?
It's a question that does come up on forums over the years(but I don't recall any real viable solution other than to use separate/different tanks).
It's probably theoretically possible, but it would have to be something addressed at the tank manufacture/design/test/certify stage...and not just done by some guy fitting "the kit" that had just arrived to him through the post.....

You can't just fire liquid lpg, in through your cooker!..well not twice anyway!

Edit;
Here's an old thread from elsewhere...
http://www.lpgforum.co.uk/viewtopic.php?f=33&t=12244&p=89343&hilit=dual+purpose#p89343

RE: "top up" gas bottles..
https://www.gasit.co.uk/

http://www.gaslowdirect.com/

There is a "stand-alone" refillable-
http://www.safefill.co.uk/ but personally I'd go for one that can have an external filler point(adjacent to your propulsion lpg filler?), so as to make filling easier and less likely to get refused by filling station staff.

These proper refillables have 80% safety shut offs, to stop over filling(gas needs room to expand).
Don't be tempted to just buy some cheapie adapter from ebay and refill exchange-only cylinders.

(...I'm sure I should really be doing something else?!

)

Post last edited on 26/04/2018 09:33:04

Colin21

26/4/2018 at 1:12pm
Location: East Herts
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I'm not quite sure how it works Pepe63, but all I remember from the Transit I had running on propane was that it was a metal pipe from the tank to a regulator under the bonnet, then a large-bore rubber hose from the regulator to a donut-shaped fitting on the top of the carburetor. So it was probably liquid from the cylinder to the regulator, then gas into the engine. Gas was drawn into the engine by the vacuum created in the cylinders, hence when the engine stopped no gas came out of the regulator. You could not feed liquid propane into the engine any more than you could feed it to the cooker, for the very same reason.

However, as I said earlier, I am no expert in these matters and I fully accept that it is not viable to feed the cooker off the same tank without some kind of modifications being made.

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Colin

Opensauce

27/4/2018 at 2:48pm
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If you want to have refillable gas bottles for cooking then you can get makes like Gaslow & you can fill that at the same time you fill your autogas tank. What you are not supposed to do at autogas stations is refill Calor bottles using some ebay bought adaptor.

Buzzy-Beans

30/4/2018 at 9:43pm
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A cylinder for domestic/caravan/motorhome use is only ever filled to a maximum of 80% of its capacity.
The take off valves are always at the top of the tank and gas is drawn off from there. If liquid LPG ever gets into the pipe to the cooker or whatever then you have a big and dangerous problem.

So from my understanding of anything to do with LPG, although it is the same product the cylinders and applications thereof are totally different.

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dinkum

01/5/2018 at 10:45pm
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You CAN run an engine and the domestic cooking and heating from one tank. We had a Winnebago that did this in the early 80s. Liquid comes off at the bottom of the tank and gas from the top.

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MisterB1959

02/5/2018 at 5:18pm
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Quote: Originally posted by dinkum on 01/5/2018
You CAN run an engine and the domestic cooking and heating from one tank. We had a Winnebago that did this in the early 80s. Liquid comes off at the bottom of the tank and gas from the top.

ive never seen one but I don't see why it shouldn't be possible after all its just two take offs from a tank in different places/positions of the tank. how expensive and practical it would be or whether its a good idea or not is open to question.

RDS123

04/5/2018 at 9:51am
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I fill up my gaslow bottles with the same LPG as cars do there's no difference

pepe63

05/5/2018 at 4:17pm
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Quote: Originally posted by RDS123 on 04/5/2018
I fill up my gaslow bottles with the same LPG as cars do there's no difference

But you don't power your vehicle from your Gaslow bottles.

The OP wanted to know if the gas tank on their LPG "powered" vehicle, could be used to feed his "habitation" side(cooker, fridge etc)..and without having the correct design of tank,with the correctly positioned take-off points, etc etc, no it can't.

wango

11/5/2018 at 7:49pm
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Hi this may sound silly but can you convert a Diesel engine to LPG gas thanks 👍

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Keep your bins clean👀

Colin21

11/5/2018 at 8:07pm
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Quote: Originally posted by wango on 11/5/2018
Hi this may sound silly but can you convert a Diesel engine to LPG gas thanks 👍

It doesn't sound silly at all. However, I don't think that you can convert a diesel to run on LPG as they are a compression-ignition engine. I'm sure that there will be someone on here though that has more experience in these matters than me, and I could be wrong. I once had a petrol Transit that was LPG converted. This was an old engine with a carburettor, and the LPG was fed into a metal "donut" which sat between the top of the carburettor and the air cleaner. I had to start the engine on petrol, especially when cold, then switch to gas when on the move. Once warm it would start instantly on gas. It ran extremely well and was very cheap to run.

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Colin

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