Sid
Well-known member
- Joined
- Apr 19, 2009
- Messages
- 114
First off, Bob Villa sucks. OK, that’s a little harsh and maybe I’m just jealous of all the equipment he has but in any episode I’ve watch, where he’s bending wood, he makes it look so easy. After reading another post that had a few pictures of WWII bomber style seats I decided to make my own. First I picked up a sheet of 1/8” 2’x4’ birch plywood. Now, I had been taking pictures of the entire process in making the seats but my hard drive took a dump and I lost all of them. Anyway, I first sat on a piece of craft paper and drew and outline of my backend profile. After squaring it up and rounding a few corners I had the shape of the bottom of the seat and proceeded to cut out it out of the plywood. To the seat bottom of this, I trimmed it in ¾”x1 ½” wood. This would allow me to mouth the side and back of the seat. So far, so good.
For the back, I cut out a pattern from the plywood that I thought would work. I figured the wood should bend easily so I first dampened it then heated it up in the over. I work on it this way for about 45 minutes before giving up. Next, I soaked it in water overnight and it still would not bend, and of course it started to delaminate, as I expected. I didn’t want to kerf cut it because it is thin enough. The next day I picked up another sheet of wood and made a jig.
The problem with this was the ribs were too far apart and I needed more straps and wood strips for backing. This piece eventually cracked so off to Home Dept for another piece of plywood. I shortened up the jig to only bend a 2’x2’ piece, added more straps and backing. I cinched it up tight and then soaked it in water for 2 hours. After which I was able to complete the bend. Then I left it to dry for 3 days.
Next, I clamped the back of the seat to the bottom and fastened it with glue and nails. After it dried I proceeded to cut out the profile and added the sides as well. To stiffen up there sides a bit I added an additional layer of plywood and feathered the back edge to blend in with the seat. I added an ergonomic design to the seat by stacking some left over plywood up and shaping.
I coated the entire surface of the seat with marine epoxy I had left over from another project. I didn’t like the end result much because I had a bit of sanding to do to get it smooth but I fig it would aid in keeping the edges from delaminating.
I picked up green spray paint and applied the layer. I hated the color and it wasn’t really close to what the cap indicated it would look like. I found the color I really wanted and sanded it down and applied it.
Over and out,
Sid
For the back, I cut out a pattern from the plywood that I thought would work. I figured the wood should bend easily so I first dampened it then heated it up in the over. I work on it this way for about 45 minutes before giving up. Next, I soaked it in water overnight and it still would not bend, and of course it started to delaminate, as I expected. I didn’t want to kerf cut it because it is thin enough. The next day I picked up another sheet of wood and made a jig.
The problem with this was the ribs were too far apart and I needed more straps and wood strips for backing. This piece eventually cracked so off to Home Dept for another piece of plywood. I shortened up the jig to only bend a 2’x2’ piece, added more straps and backing. I cinched it up tight and then soaked it in water for 2 hours. After which I was able to complete the bend. Then I left it to dry for 3 days.
Next, I clamped the back of the seat to the bottom and fastened it with glue and nails. After it dried I proceeded to cut out the profile and added the sides as well. To stiffen up there sides a bit I added an additional layer of plywood and feathered the back edge to blend in with the seat. I added an ergonomic design to the seat by stacking some left over plywood up and shaping.
I coated the entire surface of the seat with marine epoxy I had left over from another project. I didn’t like the end result much because I had a bit of sanding to do to get it smooth but I fig it would aid in keeping the edges from delaminating.
I picked up green spray paint and applied the layer. I hated the color and it wasn’t really close to what the cap indicated it would look like. I found the color I really wanted and sanded it down and applied it.
Over and out,
Sid