saigonij
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posted on 1/6/07 at 09:42 PM |
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is an Intank pump safe?
i have brought a mondeo fuel pump unit off ebay. its the sort thats is in the tank.
i know its a daft question, but im very worried about having petrol and electrics in such close proximities...
are they safe? do i liturally fit it to the top of my ali tank ( making sure i have adapted it for the right depth )
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graememk
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| posted on 1/6/07 at 09:46 PM |
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never seen a mondeo burst into flames yet.
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givemethebighammer
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| posted on 1/6/07 at 09:47 PM |
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It's a good question but without being pedantic, if the majority of car (and motorbike) manufacturers use this way of doing things it has to be
safe. Just make sure you insulate any connections you make with something petrol proof.

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thunderace
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| posted on 1/6/07 at 09:50 PM |
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its funny how you get electrics in fuel tanks lol
(why dont they go bang?)
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stevec
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| posted on 1/6/07 at 09:50 PM |
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Non combustable mixture. its safe as houses.
While the fuel is in liquid form it wont ignite, when it turns to vapour it will, inside the pump the conditions for combustion do not exist.
something like that.
Steve.
[Edited on 1/6/07 by stevec]
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craig1410
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| posted on 1/6/07 at 10:03 PM |
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I think it goes something like this...
You need both oxygen and fuel plus a spark to create an explosion and in a fuel tank you don't have very much oxygen due to the density of the
fuel vapour.
It does kinda go against your intuition though doesn't it?
Cheers,
Craig.
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Mole
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| posted on 1/6/07 at 10:17 PM |
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It's one of those things that you just don't want to trust. But nothing can ignite without oxygen.
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saigonij
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| posted on 1/6/07 at 10:40 PM |
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i know, i kepe telling myself its safe - all the cars i have driven in the last 4 years ( fiesta, escort, focus ) all have in tank pumps, its just
when you take it out and look at it, with the exposed fuel lever sender tracks, you cant help but think that all it needs is a spark!!!
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Chippy
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| posted on 1/6/07 at 10:59 PM |
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I have one in my car, and so far no problem. Ray
To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy
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stevebubs
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| posted on 2/6/07 at 01:45 AM |
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Not a problem.
Only comment I would make (and stands whether you have an in tank pump or not) is make sure a metal tank is well grounded to the chassis.
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Hammerhead
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| posted on 2/6/07 at 10:13 AM |
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you'll soon know if it doesn't work.....................BOOOOOOOMMM!!!!!!! 
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andyharding
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| posted on 2/6/07 at 12:42 PM |
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Petrol doesn't conduct like water does
Are you a Mac user or a retard?
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JonBowden
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| posted on 2/6/07 at 01:48 PM |
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I seem to remember that the Apollo 13 service module had an electric motor in an oxygen tank to stir it.
Jon
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caber
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| posted on 5/6/07 at 07:43 AM |
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Why worry? just put it in, drop a couple of litres of petrol in, switch on and it will either work or you won't know a thing about it. . . . .
Caber
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omega 24 v6
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| posted on 5/6/07 at 11:25 AM |
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quote:
Why worry? just put it in, drop a couple of litres of petrol in, switch on and it will either work or you won't know a thing about it. . . . .
Ah you mean the ostrich approach.   
It must be safe or you'd hear a lot more about it on the news.
[Edited on 5/6/07 by omega 24 v6]
If it looks wrong it probably is wrong.
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saigonij
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| posted on 5/6/07 at 11:27 AM |
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daft question, but does the tank have to be connected to ground?
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