Saddle tank anchoring
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Saddle tank anchoring

  1. #1
    Senior Member holorinhal's Avatar
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    Default Saddle tank anchoring

    I have a set of the aluminum side gunnel tanks and would like to hear some thoughts on how to anchor them in the boat. I have the front anchor point prety much figured out. I need suggestions on how to attach the back. There are no brackets on the back (transom end). They were originally glassed with a strip of mat along th bottom edge tank to hull and attached at the front end with a bent angle thu bolted to the gunnel support. The glass is not an option.
    Here is a pic of the tanks I have. Thanks.....Hal

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  3. #2
    Renegade jet tunneljet's Avatar
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    You could bolt a bow eye type bolt on each side on the outside (double as transom tiedown anchor point )and set them up so the bolts just clear the tanks on the inside and bolt angle aluminum to them to hold the tanks in.
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  4. #3
    Senior Member H20MOFO's Avatar
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    Maybe throw a gunell support/brace at the back of the tank? Not sure how you will attach it, without glass or welding something on the tank.
    Another Hot Boat refugee
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    Senior Member moneysucker's Avatar
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    Geez hal, those things look awesome. I think I would bolt them on the outside so everyone would see them. I am thinking that some acomodations may have to be made like a stud or 2 welded to the back of the tank to bolt to something that you can glass to the floor.
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  7. #5
    I'm No Expert Shaun's Avatar
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    maybe fab up a bracket that can be glassed into the boat that will allow the tank to slide into it. You only need one for the back from the sounds of it, then you could just undo the front and slide the tank out?
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  8. #6
    Boss of the McIntyre Mob danhercules's Avatar
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    What about welding a tab on the rear of the tank and screwing it to the transum?


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  9. #7
    AKA OhOneWS6 Last Mohican's Avatar
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    I need a solution for the same issue. Right now the front is held in place by the filler neck hose. I have a load lock spanning the width of the hull between the back of the two tanks. Not very pretty but it serves the purpose. By looking at the other work you have done, I'm sure you will come up with a functional solution that will look fantastic.

    I keep thinking a piece of aluminum angle will do the trick but I just haven't figured out how to do it yet.
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  10. #8
    Senior Member shimp's Avatar
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    My boat has a spot glassed in to hold the front of the tank, my tanks have a bracket on the front edge and back edge with a single bolt hole in it. Whoever had the boat before me just bent some flatbar and drilled some holes and bolted it all together to the glassed in brace with 2 bolts sticking out of it at the front of the tank. However they didn't bolt the back to anything! The previous owner got the boat this way, and his solution was to put some 2x4's from the stringer to the edge of the tank at the back to hold the tank in place (even more ghetto than the flatbar bracket!) but I think I am going to do it a little less ghetto and bend some more flat bar and make a bracket for the back edge of the tank to attach to the transom tiedown bolts that stick through the transom. There is plenty of thread left and it's only about 4" from the tank bracket already so no biggie. BUT:

    I am getting my tanks "soda blasted" this is blasting with Baking Soda rather than Sand, I am lucky I have a friend who has a brand new $30K soda blaster machine and a huge pallet of baking soda and I am getting my tanks done ultra cheap, plus I am getting a whole other boat soda blasted as well!) But anyway, if they look really nice like your tanks do when done, I may glass in some new mounts to the hull to properly secure the tanks to the hull, and then carpet around the tanks to show them off if they look nice. I saw your rebuild thread and where you did those tanks like that they came out really nice, I would be wanting to show them off, so I think you should glass in some proper mounting for the tanks into the hull since you already did all that glass work, and show off the tanks.
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  11. #9
    Senior Member GAWnCA's Avatar
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    Hal, this should have been considered back on page 1 or 2 of your restore thread. I hate to think of all that work now having to be dinged up to mount tanks. You might be able to build a wedge type mount that braces the tank in place at two points from the stringers up.
    Wags
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  12. #10
    Senior Member holorinhal's Avatar
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    Thanks Shimp .I do intend on the tanks being seen. The rear half of the tank in the engine area will be exposed . And I am mounting the cocktail seats so that they can be removed and only run the two front seats when ever I feel the need for speed.

    Greg ,I have been pondering this for a very long time. Fiberglass was never going to be an option. If I have to I will just bite the bullet and have a bracket welded on the rear to bolt to the transom.
    I had thought about useing a piece of angle bolted with the transom eye bolts,the only problen is they would not be locked down from vertical movement with all the bouncing around a boat does.
    I am thinking a welded tab is going to be the best way to go......Hal

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  13. #11
    Senior Member GAWnCA's Avatar
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    Hal, Maybe you can bolt to the transom and then have the back seat(s) have a wedge or mouting spot for a front tab on the tank to bolt to. I'm not sure how your seating is going to be arranged.
    Wags
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  14. #12
    Senior Member holorinhal's Avatar
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    The front of the tanks already have an angle welded to the tank ,that bolts to the gunnel suport. It is the rear end the will need a fastener...H

    I'm not here for a long time, I'm just here for a good time!
    If your not on the edge.......your taking up too much room......Drive it like you stole it!

    73 KONA Restoration http://www.performanceboats.com//showthread.php?t=10678
    '81 Spectra 20 Facelift http://www.performanceboats.com/user...-facelift.html

    18' Advantage http://www.performanceboats.com/jet-...k-project.html
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  15. #13
    Senior Member GAWnCA's Avatar
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    Then I guess you can tab the bak end and anchor to the transom. That sounds like the best idea. BTW, the boat looks GREAT!!!
    Wags
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  16. #14
    Just Me snoc653's Avatar
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    If you have the 1/4" clearance at the transom, I'd make a bracket out of aluminum angle that goes up the side and over the top of the tank. Then weld a tab on it to bolt it to the transom. This way the tank goes in first and this bracket just anchors it in place. The bracket could then be polished or anodized however you want. You need a bracket that is worthy of those pretty tanks.

    EDIT: Don't forget to put some type of welting between the two metals if you do this. Wouldn't want the tanks to rub a hole in themselve's or do that ugly metal transfer crap.
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