Wednesday, August 9

Rack


I don't have my frame jig ready yet, and was jonesing to build something, so I brazed up a rack for the 2 speed kickback bike. The material is 3/8" and 5/16" brake line from my local auto parts conglomerate. This is also my first experience with the Gasflux C-04 brazing rod and accompanying paste flux that Henry James sells. Super neat stuff. Way better than the local welding shop stuff.

7 Comments:

Blogger Hjalti said...

Looks nice. Pretty minimalist and clean.

Thursday, 10 August, 2006  
Blogger ew said...

That looks sweet. Keepin' it black? I think we need to have an AC-BC meeting so I can ride the kick-back again.

Thursday, 10 August, 2006  
Blogger Jim G said...

Nice rack! What did you use to make the bends in the tubing?

Thursday, 10 August, 2006  
Blogger jsn said...

Thanks!

I used a automotive tubing bender for the small radius bends and a piece of 3/4 plywood with a 4" diameter semicircle cut into it, and a5/16" groove filed into it.

Next time I want to try using V belt pulleys for bending guides. They make all sizes and it seems like they would work really well.

Thursday, 10 August, 2006  
Blogger Jim G said...

This comment has been removed by a blog administrator.

Friday, 11 August, 2006  
Blogger Jim G said...

Sorry to be a pain w/more questions...but what's an "automotive tubing bender"? I'm thinking of getting a tube bender like this one...would that do the trick? I've also seen DIY plans for tubing benders using v-belt pulleys, I was thinking of making one of those but that Harbor Freight bender is under $10 so it doesn't seem worth the trouble...or is it?

Friday, 11 August, 2006  
Blogger jsn said...

That Harbor Freight bender is exactly like the one I used for the small bends on that rack. Mine was from Autozone, who has a pretty good selection of tools actually.

V belt pulleys seem like a very easy way to get larger diameter bends. A V shape is supposed to be nearly ideal because it allows the material to expand into the V as you bend. Or so I have read recently.

Friday, 11 August, 2006  

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