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  Gas Tank Hold Down in Montauk?

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Author Topic:   Gas Tank Hold Down in Montauk?
kamml posted 06-24-2001 07:31 AM ET (US)   Profile for kamml   Send Email to kamml  
I just installed a Pate 27 gal. tank in my Montauk. (Had to raise the seat slightly) Coast Guard says it has to be tied down some how. Forum members how do you secure the tank under the seat?
Ken
jimh posted 06-24-2001 07:59 AM ET (US)     Profile for jimh  Send Email to jimh     
The typical Whaler installation of a tank like that would have four wooden "cleats" that were securely fastened to the deck.

The cleats would retain the tank from movement fore and aft or athwartship.

Hold down straps would secure the tank to the deck, perhaps to padeyes mounted on the cleats.

jimh posted 06-24-2001 08:20 AM ET (US)     Profile for jimh  Send Email to jimh     
Forgot to add:

The cleats were originally made of wood and varnished. Later a synthetic like Whaler-Board was used.

http://continuouswave.com/whaler/cetacea/cetaceaPage10.html shows an example of cleats retaining a big cooler.

kamml posted 06-24-2001 08:25 AM ET (US)     Profile for kamml  Send Email to kamml     
I have fixed two short blocks (2 1/2") to the stern side, one on both sides of the tunnel opening and a longer block 8" under the front of the RPS. The height of the blocks is roughly 1" with a bull nose. I was careful to allow for liftover to fill the tank from the stern side. Your suggestion of eyes on the cleats is neat and elegant, I can use straps or bungee cords on the eyes to prevent the tank from lifting over the cleats in the event of an inadvertant wave bouncing the tank around and still allow for easy removal for filling. Though even with half a tank it would have to be a sizable event to get it to shift very much. For some reason I was thinking across the seat, side to side, not along the keel, good idea. Thanks
Ken
CIELO3428 posted 06-24-2001 08:27 AM ET (US)     Profile for CIELO3428  Send Email to CIELO3428     
AGREE WITH ADVICE GIVEN WOULD
SUGGEST YOU SECURE WOOD CLEATS
WITH MARINE TEX TO AVOID ANY
SCREW HOLES STRONGER THAN SCREWS
AND NO WATER INTRUSION
stagalv posted 06-24-2001 11:24 PM ET (US)     Profile for stagalv  Send Email to stagalv     
My Montauk has a Pate 24gal tank and I have it sitting on drydeck pieces cut to fit to protect my gelcoat & non-skid. To secure it I have just attached each side to the leg of the RPS. I am (at least for now) using some of those velcro straps which are made for shorepower cords. It works ok.
The cleats in the deck would work great but I have to slide my tank aft about 4 or 5 inches to fill it. If I had cleats permanently mounted it would be difficult to fill the tank. Plus I am always worried about water getting into my hull.
Rex
JohnT posted 06-25-2001 10:24 AM ET (US)     Profile for JohnT  Send Email to JohnT     
My Pate 27(?) tank sits on 2 Whaler tank pads for 12 gallon tanks, and is secured by a bungee that goes over the top and hooks into a little padeye that's installed in teh floor. It works fine for me, though the tank can shift back a couple inches. It's only shifted once that I've noticed in the two months I've had the boat (I run it at least 3 days/week). The previous owner, who actually installed the tank, didn't really like the bungee arrangement, though. He recommended that I install a strap. Bungee is easier at fillup time, though. (The heavy-duty velcro suggestion above looks pretty good to me).
TightPenny posted 06-26-2001 06:47 PM ET (US)     Profile for TightPenny  Send Email to TightPenny     
I used strapping and snap connectors from West Marine and SS cleats mounted to the deck. The two straps hold the tank in just fine and are easy to remove for refueling.
Barnett Childress posted 06-27-2001 09:42 PM ET (US)     Profile for Barnett Childress  Send Email to Barnett Childress     
I installed my 24gal Pate tank last weekend. The tank sat perfectly on the 2 small mats that came with the Montauk. I cut off the inside lip of both mats so that the tank would sit flush on top of the mats. The rest of the raised lip remaining on the mats completely surrounds the tank so it can't shift about.

I also bought and used the hold down kit from Pate (black Whaler board like cleats with SS pad eyes/screws & 2 bungee cords. I used marine sealant for all the HDW. The install looks clean and works great.
Barnett

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