Battery Box Dryfit

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Got the battery box roughed together and fitted. These will be the main house battery bank. The battery box will be in the forward center compartment under the main salon floor in place of a fresh water tank

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normally designed by the factory. There is still some room underneath the battery box for a smaller water tank (roughly 30 gallons).

The box itself can fit up to fourteen 6 volt standard “golf cart” style batteries. There is also room to squeeze in the “taller” golf cart batteries like the Trojan T-145’s. The box was constructed of Coosa. The joints were glued and screwed. When finished, it will get a layer of glass over the inside bottom and halfway up the sides to give the box strength and seal the bottom to contain any electrolyte spillage.

As for the battery compartment, there are crossmembers supporting the bottom made from 3/16 inch fiberglass angle stock, doubled up (the green supports shown in the picture).

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The box dimensions are flush with the inside walls of the compartment. For further support there will be a series of thru-bolts around the walls of the box, fastening it to the walls of the compartment.

Finally, there are similar crossmember beams spanning the top of the box to support the floor, Together, with their joints running along the side, will help hold down the box and the lid.

My estimations say this should be enough to support the up-to-1000 lbs of batteries.

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The lower and upper supports for the box and the floor in this area are all held together by a system of machine screws and bolts. Therefore, should there ever be a need to remove the box and/or get at the tank below, things can be removed without cutting to gain access.

2 comments for “Battery Box Dryfit

  1. Anonymous
    October 25, 2007 at 3:39 am

    Rob, Are you going to paint the bilge before you loose access to it? If not why not? Curious as to your thoughts on the matter.

    Your old friend šŸ˜‰ Dave

  2. October 25, 2007 at 3:47 am

    Hey Dave,

    Don’t worry. Everything will get painted. Except for the floor supports, nothing is really “permanent” just yet. Once everthing is dryfitted (battery box, tanks, etc.), I will do the final glueing, then spray everything under the floor with bilgecoat, then do the final installation. I dont need to worry until I am ready to do above floor cabinets. Which is a ways yet (maybe this summer).

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