[TheForge] bellows

[James Davis]

why not use ring shank nails or roofing nails to keep them from pulling out?


Jim Davis
 
Be who you are and say what you feel...Because those that matter, don't mind, and those that mind, don't matter! 







 

> Date: Fri, 31 Dec 2010 09:16:50 -0600
> From: crosspein at sbcglobal.net
> To: theforge at mailman.qth.net
> CC: bluestoneforge at gmail.com
> Subject: Re: [TheForge] bellows
> 
> Allen,
> Where did you get your canvas? I've started shopping around, and find 
> the weight value of the canvas to be ambiguous. Some use ounces/sq yard, 
> others use ounces for 22" x 36", and then there's the numbered and 
> "naught" values, which are based on the weight, but I'm not sure if that 
> weight is the sq yard, or the 22x36 version <sigh>
> 
> I've found some local upholsterers and custom tarp places. I'll probably 
> try a couple of those, but I'm expecting to have to wait until monday to 
> actually reach some of them.
> 
> As someone mentioned, if I buy the heavy canvas online, it isn't all 
> that much cheaper than leather.
> 
> Meanwhile, I have my paddles cut from 3/4" 11-ply plywood, along with 
> the floating ribs. Today's activity will be making some stiffeners so 
> they won't twist or warp, along with gluing up the nozzle blank and 
> perhaps the valves.
> 
> I've decided to go with "finish washers" and screws to hold an oak band 
> over the edges of the fabric.
> 
> So far, the layout took the most time (probably about 2hrs making a full 
> size pattern on paper) then maybe another 1 or so cutting the paddles. 
> So this project isn't all that time consuming... yet.
> 
> I have a pretty well equipped wood shop that hasn't seen much use since 
> I lit my first forge. (Actually, this project was an attempt to reduce 
> some lumber inventory) Having a top of the line saber saw and router 
> made pretty short work of the cutting.
> 
> Happy New Year everyone!
> 
> **Paul
> 
> On 12/20/10 2:04 PM, Allen Ortery wrote:
> > We just rebuilt the one at New Salem. 16 to 20 oz. canvas works
> > great. the canvas that we replaced had been on the bellows for 20+
> > years. Make sure to seal the canvas, used concrete sealer from Sherwin
> > Williams. The plywood may not hold the nails well, lot of pressure.
> > Ours is made out of real wood, even the floating ribs you can't see,
> > the good solid core plywood might work best, unless some has built one
> > out of the other stuff with success.
> >
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