Good evening all. How were the original battery boxes constructed ? My 31 Sedan is titled as 1970, but was finished in 1969 if it matters. I've seen pics of plastic boxes with covers like used in outboards, but would like to construct box or boxes as was originally in the boat. From what I gather the boat was originally equipped with a single 12 volt battery for each engine, with option for 2 6 volt batteries in series per engine. I have not seen where a optional "House" battery was offered from factory. Any description or pictures of original battery installation would be immensely appreciated. John.

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Will try to get pictures for you but the box was mahogany framed perforated tempered fiberboard with a cap.

Tim

That would be wonderful ! Thanks Tim. J.

perforated?  not sure that would pass a current CG inspection. the whole point is to seal the battery so any sparks don't get out. this is one case where going 'original' is probably not the best choice. check out the battery boxes at West Marine or your favorite boat stuff supplier.

  1. If you have sparks you have poor connections.
  2. Hydrogen venting is done with the boxes you specify.
  3. Never had a problem with CG inspection.
  4. Pictures to follow after next trip to boat.

Would have gotten them today but there are too many opportunities to enjoy beautiful days in wine country riding in Liz's convertible wondering what the next destination will be.  On the Timtation one knows that the road is a mile wide and leads to visited locations, not to mention the difference between 65 mph and 15 mph and 30mpg and 1mpg.

Come to the second RR of the year and watch from a wide angle perspective, people drive one of the original scenic drives of America.  It sure beats the view from the road. 

Tim
Pretty sure the only requirement as far as battery boxes goes is it must secure the battery, protect the terminals and be vented. You technically don't even need a battery box, but it's a cheap easy way to cover the requirements.

Jim Frens said:

perforated?  not sure that would pass a current CG inspection. the whole point is to seal the battery so any sparks don't get out. this is one case where going 'original' is probably not the best choice. check out the battery boxes at West Marine or your favorite boat stuff supplier.

In a boat, I would never seal a battery box completely air tight. Two words. Hydrogen Gas. I was just curious as to the original factory configuration of the box(es). Ive made the decision to use 1231MF Deka batteries with 1000cca each. One per engine, and would like to construct box(es) similar at the least to factory. Presently the boat has 3 mismatched batts sporting wiring that is reminiscent to a pit full of vipers in a Christmas Tree contained by milk crates. Although the boat is equipped with a parallel system, someone saw fit to install a nice,period correct, Cole- Hersee battery selector switch. One of what I assume is a factory installed batt cut off switch still exists on the bulkhead forward of the engines on the port side. The starboard side switch being missing. A third batt, which I assume to be for the "House" complete with platter of spaghetti wiring sits transversally ahead of its mismatched counter parts. All three are connected to a seemingly nice, three bank charger that emits strange electronic harmonic chords as it attempts to balance three different sizes and capacities of questionable condition batteries. All of which can be rectified. I have the technology. Its nothing that time and money cannot correct. I apologize for such a long post and being dramatic. J.

This is what my 1968 35' Commander has.

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Thanks Steve, that is a big help ! J.

My 69 31 sedan has 4 batteries in plywood boxes with plywood caps that have been drilled to vent. "Wiring is in good shape, but not well routed" as my surveyor put it. I believe it to be original. The starboard batteries are the house bats. and there is a parallel switch so if I can start the port, I can start the starboard. Dave     

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