Fuel tank under camper

Submitted: Wednesday, Jun 08, 2011 at 20:26
ThreadID: 86843 Views:3255 Replies:4 FollowUps:4
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Was wondering would there be any legal issues or safety in regards to fitting extra fuel tank under camper trailer ?? My cousin was making one up for me and that went out the window but decided anyway to go some thing like a Jayco Dove or along those lines. Looks to be room under there to mount one and would be an 90L out of a 120 prado with a metal guard under neath to protect it. There are heaps of tanks around that have been removed from prados when owners have put onto LPG. Would this have to be engineered for road worthyness or the like. Regards Steve
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Reply By: Doomadgee Roadhouse - Wednesday, Jun 08, 2011 at 20:52

Wednesday, Jun 08, 2011 at 20:52
given in some cars we sit right on top of them and it is perfectly safe .....
I would give a LOT of thought to the proximity of cooking "systems" like gas bbq's, fires and whatever else you use, i and most do all the cooking right beside the camper or on some form of slide out tray attached to the camper, with that in mind you will have to give very good thought to the breather system for the tank, diesel would not be so much of a risk but if you plan on petrol then i would not be to keen at all, if you seal it completely it will build up pressure and they are NOT designed to hold pressure ......
Dunno but i would look at jerrys still.......
AnswerID: 456822

Follow Up By: Kimba10 - Wednesday, Jun 08, 2011 at 21:18

Wednesday, Jun 08, 2011 at 21:18
Problem with jerrys is where to mount them on a jayco, would be ok on say camper trailer mounted in correct brackets on the sides. Good points in regards to breathers etc. With old camper we always cooked under the awning but Jayco would be inside here and there as they have stove inside but when BBQing as you mentioned different story. I dont want them up high on prado roof on the rack. It will also be running a 12 volt pump so I can transfer into prado fuel tank if needed by a fuel hose but this would be removable.......
FollowupID: 729949

Follow Up By: Kimba10 - Wednesday, Jun 08, 2011 at 21:20

Wednesday, Jun 08, 2011 at 21:20
Wish this site had a edit button, in my question I said in my first line under camper, I meant under Jayco..............
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Follow Up By: ExplorOz - David & Michelle - Thursday, Jun 09, 2011 at 14:51

Thursday, Jun 09, 2011 at 14:51
Kimba- the edit function is there if you click PREVIEW before you click SUBMIT.
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Follow Up By: Kimba10 - Thursday, Jun 09, 2011 at 17:44

Thursday, Jun 09, 2011 at 17:44
Yeah I realize that but bit late when you hit the submit button then realize the mistake lol...............
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Reply By: Member - Tony (ACT) - Thursday, Jun 09, 2011 at 06:58

Thursday, Jun 09, 2011 at 06:58
Kimba10 I don't see to much of a problem. If the tank is one out of a vehicle and has a protection guard all shpuld be ok.

Venting as mentioned would be the major concern. You may be able to use the venting filter that comes with the tanks, and keeping the filler neck nice and high to prevent over flow with expansion.
AnswerID: 456849

Reply By: Tim - Friday, Jun 10, 2011 at 12:16

Friday, Jun 10, 2011 at 12:16
Its a little bit differant scale but out here its not uncommon for the rooad trains to have diesel fuel tanks under the trailers. I know of one which had 3000L under each of the three trailers and it was purely so they could run longer without having to plan there routes through towns during business hours when the servos are open. They have the ability to run the fuel directly from the trailer into the engine.
AnswerID: 456968

Reply By: Mark S (cns) - Friday, Jun 10, 2011 at 13:49

Friday, Jun 10, 2011 at 13:49
Gidday Steve
Good question - good idea, An issue that may come up is getting the gas certification done, being as the jaycos are all gas plumbed etc. Maybe ring a gas certifier to get their take on it w.r.t gas regulations on trailers
I have a 2010 Jayco Hawk o/b, and there is plently of space under there, where the optional second water tank would go.
One thing to be mindful is that the jaycos have a 300kg payload allowance, so by the time you fill 82l water tank, add things like bed end flys, awning, back-up water jerry on front,and all stuff packed inside the camper, there really isn't a lot left to play with, let alone another tank added
The Jaycos that have 2 tanks + others bits added in at factory usually have an axle upgrade (from 1.6t to 2t), and have all this included in the tare dry weight, whereas when you add in bits afterwards, it eats in to the payload allowance.
Do you know what RTA's view on this is?

AnswerID: 456976

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