Type of wood used for spine?

B

billfish16

Junior Member
So far I replaced the transom with Seacast and the most of the stringers and bulkheads using marine plywood and epoxy. Going to replace the spine soon. Any idea what type of wood was used in the original construction of the spine?

Thanks,
Bill
 
Not sure what you mean.

There is no wooden keel in a v20. Just glass hull with stringers and bulkheads. There is a piece of plywood glassed into the bilge for mounting a bilge pump and there is some plywood glassed in for backing the bow eye. There is a strip around the hull sides for screwing the cap to the hull and screwing the rub rail.

There can be a pvc pipe glassed in running under the fuel tank.
 
SkunkBoat said:
Not sure what you mean.

There is no wooden keel in a v20. Just glass hull with stringers and bulkheads. There is a piece of plywood glassed into the bilge for mounting a bilge pump and there is some plywood glassed in for backing the bow eye. There is a strip around the hull sides for screwing the cap to the hull and screwing the rub rail.

There can be a pvc pipe glassed in running under the fuel tank.
Click to expand...

The wood is a strip approximately 4 inches wide by a 1/2 inch high that runs down the center of the bilge from the front of the spashwell to the cabin.
 
hmmmm, mine did not have that.
Is it flat to the hull or is it a channel?

I would imagine its the same plywood as the stringers.
 
Like Skunk, never seen one with a keel. Does yours have a belly tank or the saddle tanks?
All the ones I have messed with had the belly tank
 
based on what I've seen with general boat construction, including my own V20, teh wood is merely there for teh glass to fit over, creating a box type structure. There's no structural value for the wood itself, more so the glass covering it. Ive seen several boat manufactures using 1/3 cut pvc tubing in the bilge and covering it in glass, the glass itself creates a rigid chamber, the pvc just gives it shape. It allows water to drain thru that channel, even more so if you put limber holes in it for each bulkhead area.
 
My v20 has a belly tank. Stingers were not plywood, they were solid wood boards. The spine is solid wood as well. The bulkheads were a mix of plywood or solid wood. There was a PVC tube for drainage that ran alongside the spine from the cabin area to splash well area. I tried to post pics but I’m having trouble reducing the size.
 
I can t see it either,says private video

Anyway,given what I ve seen in my hull , probably resin soaked plywood squares
 
Are you sure that what you're calling a spine isn't a Stringer? Solid wood standing upright running the length of the boat?
 
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