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Old 04 March 2015, 15:13   #1
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Securing Fuel Tank to Aluminum Floor

I have a Zodiac Cadet on order, and when I asked about installing tracks on the aft floorboard to provide an adjustable platform to strap down the battery and fuel tank, I was quoted $500 which is just too much in my eyes. Are there any better ways to batten them down without drilling? I was thinking maybe velcro underneath the fuel tank, or a light duty strap wrapped around underneath the floorboard.
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Old 04 March 2015, 17:13   #2
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Velcro definitely wont be sufficient. I also wouldn't put anything between the hypalon and stringers of the floorboards(like a strap) it would damage the hypalon from friction.

If you are looking for an adjustable track system, check out A-track or airplane track the tracks are aluminum so you would either bolt them down or weld them onto the floorboard.

If you don't want to bolt or weld, check out weld-mount. Their plastic strap tie downs are beefy and can be put on with their own epoxy, or use 5200. They are permanent as well.
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Old 04 March 2015, 17:33   #3
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Why not drill? does the fuel tank need to be adjustable?Are you going to move the battery about? drill and pop rivet some straps tot he floor panels. job done.
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Old 04 March 2015, 19:10   #4
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The aircraft cargo strap tracks look intersting, especially the angled track here: L Track Tie Down - Airline Track Cargo Tie Down Rails & L Track Straps

It's not that I will be moving things around out on the water, but having it so where the strap sits is adjustable would be useful.
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Old 05 March 2015, 02:17   #5
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Quote:
Originally Posted by kestrel452 View Post
The aircraft cargo strap tracks look intersting, especially the angled track here: L Track Tie Down - Airline Track Cargo Tie Down Rails & L Track Straps

It's not that I will be moving things around out on the water, but having it so where the strap sits is adjustable would be useful.

Great link! Those tracks are extremely reasonably priced. I used some nylon webbing for a daisy chain on the tops of my wooden stringers. To pin the webbing down, I used stainless steel bolts, nuts & washers spaced about 4" apart. It works well, but it was a lot of work and all of that stainless hardware ended up being more expensive than this track system.
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Old 05 March 2015, 02:38   #6
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As above pop rivet a tie down bracket - use a spreader type bracket with multiple rivets otherwise they may pull through the thin aluminium skin.

Or if enough depth in the aluminium sandwich you can fit hidden eye bolts, info here:

Sib aluminum floor - matting
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Old 05 March 2015, 05:54   #7
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Hi all

2 inch webbing strap of suitable length.Also webbing strap buckle,3 inch long 10mm wide Stainless steel,4 rivets not sure what sort aluminium or stainless
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Old 05 March 2015, 14:14   #8
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If you use stainless rivets (which would be my choice - aluminum rivets won't hold up to the repeated stress, from experience), make sure you slather a good amount of anti-seize compound on before riveting. Will help in avoiding dissimilar metal corrosion.

jky
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Old 06 March 2015, 07:13   #9
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I agree..Stainless Steel Rivets. When using metal screws, rivets, bolts, etc.. through Aluminum that are not Stainless Steel, an automatic "galvanic" corrosion will begin almost immediately.
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Old 06 March 2015, 08:52   #10
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What model cadet and year are you getting ? Some of them have fittings on the transom that the rear board fits under. That fitting has a slot through it that a strap can be fed through to hold down a tank or battery.
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