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Old 09 March 2010, 02:12   #1
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Underfloor Fuel tanks

Looking through the forum threads and I have seen a lot of built underfloor tanks.

For a 6 mtr rib what do the members suggest as a suitable capacity for 2 tanks.?

150 ltrs plus.? or more...

what does your 6 mtr tanks hold.?
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Old 09 March 2010, 02:21   #2
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Quote:
Originally Posted by Sonar View Post
Looking through the forum threads and I have seen a lot of built underfloor tanks.

For a 6 mtr rib what do the members suggest as a suitable capacity for 2 tanks.?

150 ltrs plus.? or more...

what does your 6 mtr tanks hold.?
My single is 220L and I'll go a little bigger next time
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Old 09 March 2010, 09:48   #3
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My single is 220L and I'll go a little bigger next time
is this for a single 200 hp engine.?
what sort of mileage do you get for that.? approx.

I was thinking for a 150hp 182ltrs in two tanks would have been enough for me I will have to rethink .
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Old 09 March 2010, 10:27   #4
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Obvious, but it depends on how far you want to go.
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Old 12 March 2010, 09:48   #5
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My single is 220L and I'll go a little bigger next time
some bigger ones here.
http://shop.ebay.co.uk/jaymetalworke...&_trksid=p4340

Bargain.
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Old 12 March 2010, 10:00   #6
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As suggested, depends how far you want to go and how easy is it to fill up, do you launch each time you use or is on the water. Our 6.3 with a 175 does very roughly 1L per mile. We have two 75L tanks in the console. Gives us plenty of range for our usage and easy to see how full they are. Horses for courses.
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Old 12 March 2010, 10:58   #7
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I only have 120L ( i found to my cost ) despite being told it was 180, to run my 200. I reckon it about 4 hours at 25knts , 3 hours at 35knts, and about an hour and half at 50knts !

I managed , but then I dont go long distance and keep it topped up whenever i can ( on the water).
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Old 12 March 2010, 13:22   #8
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Quote:
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My single is 220L and I'll go a little bigger next time
Do you do a lot of distance with your rib .?

I have just been looking at a 220 ltr tank myself.
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Old 12 March 2010, 13:37   #9
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Do you do a lot of distance with your rib .?

I have just been looking at a 220 ltr tank myself.
Sometimes but it's also useful if your away camping etc with no waterside fuel

We've done a few trips to the Isles of Scilly where getting fuel can be a pain

We camped for a week at Ardmair Point just north of Ullapool last year and topped up every day with 3x 20 litre cans, but by the end of the week the tank was getting a little dry as we explored the coast

Great for recovery and the 550 mile drive home when the boat is 200 kg lighter

My next rig will have a larger tank 30-50% more

Jim
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Old 28 March 2010, 02:54   #10
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underfloor tank

Well I now have a 210 ltr tank ready for conversion .

However it looks very large and will be half in and out of the deck.

So i am now thinking maybe making a grp tank that will go under all the deck.

This is the type of resin

http://www.ecfibreglasssupplies.co.u...t/default.aspx

Seen a few posts on grp fuel tanks
anyone got any comments on a grp tank ?
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