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Ok I could have stuck this as a continuation of my theft post in the how to section , but I decided on here. I was having problems bending 1'' tubing without deforming it. I tried several methods and finally found what it takes. If your serious about frame building and want the right tool for the right job , grab some of your money out of the bank ($500) and buy a JD2 model 3 bender. This works really easy....no sand....no heat...no anything. Stick some tubing in one and just as easy as spreading butter , it will make perfect bends. I made one 120 degree , which would be a chain stay or a seat stay, in just a few minutes. There is no need for the handle extension it is so easy to do the 1''. I made another 120 with a couple bends to make a looptail. Not knowing the measurements I just guessed. It was a trial anyway. You have to be kinda careful , because its all heavy and there is a good chance to pinch something if your not looking at your fingers....ask me how I know. So here are a few examples of what it will do to 1'' tubing. The darker is 12 gauge and the silver is 16 gauge. Perfect bends ...no crimps or flat spots. :wink: The cost is a little high , but if you decide to sell it , you can get most of your money back. They don't last very long for sale.

DSCF0002-11.jpg


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Can I trade my Stetch Schwinn in for a custom Uncle Stretch Looptail Colson? :mrgreen: :mrgreen:

Looks good.
 
Dr T I'm sure with this new addition I will start building frames. It will take a little doing to figure out what angles I need for a loop tail rear triangle.
Naw Steve , I took a rotary hammer drill and drilled holes in my driveway , and sunk those 1/2'' female concrete anchors . Now its just drag that monster out there and put the 4 bolts in and start bending. It takes lots of room to deal with a 10' section of tubing that swings around in a big arc. I hit my van and it was 8 feet from where I was working. I was trying to concentrate on not smashing my finger again and never looked at where the tubing was going. Oh well live and learn. :oops: :shock:
Yeah Ratfink , I doubt that I will be building anything like that. My car building days are over, but I love my bender. It works just like it should , and its so easy.
 
Sweet, I might have to get one of those or something similar, I have had an idea brewing for a twin top and downtube looptail frame that would be made from one tube (with exception of seat tube, BB and steertube) going from headtube making the downtube, under the BB, into the chainstay looping to the seatstay, passing the seat tube, making the top tube, bending around the headtube, making the other top tube, pass the seat tube on the other side, making the other seatstay, looping to the chainstay, back under the BB, and making the second downtube and ending back at the headtube.

I know it sounds complicated but it'd be epic.
 
Ok outskirts that made me dizzy. :shock: Can't wait to see it. There are limitations on these. I really had to concentrate on how to do that simple looptail.
 
I am so glad this new rig of yours works to your liking. You were on a mission and I was afraid if it failed this time that the words you would have yelled would be heard across this country and parts of Canada :shock: What might this radius your working with be?

Graylock
 
Graylock said:
I am so glad this new rig of yours works to your liking. You were on a mission and I was afraid if it failed this time that the words you would have yelled would be heard across this country and parts of Canada :shock: What might this radius your working with be?

Graylock

Yeah Greylock another failure would have been bad , especially since it would have been a $500 mistake. The smallest die they had was this 3'' one. It is kind of misleading , because it has an inside distance from one tube to the other of 4.75''. A little wide but completely useable. Whatever I build will take a wide rim. ha ha
 
outskirtscustoms said:
to better illustrate things here's a sketch, now keep in mind the loop around the head tube and BB will be actually on the other piece and welded for strength.

untitled.jpg

Ok now I see. It might look cool , but probably hard to do in one piece. :wink:
cman said:
Now you can make the Alexander Rocket. from your intro thread. http://www.ratrodbikes.com/forum/viewto ... 855#p57855

Man that seems like so long ago. I'm not sure how you would find the dimensions to build one of those. Maybe as soon as I find what this baby will do I can experiment.
 
Uncle Stretch said:
outskirtscustoms said:
to better illustrate things here's a sketch, now keep in mind the loop around the head tube and BB will be actually on the other piece and welded for strength.

untitled.jpg

Ok now I see. It might look cool , but probably hard to do in one piece. :wink:

Yeah I may have to do it in a few pieces then weld it together and make it look as though it's one piece. I'd also like to bring the bottom bars (downtubes) around the headtube to look like it is one continuous bar with no seams. Really make people think. :mrgreen:
 
If you want a really great and straight forward article on bending tube go here.
http://www.pirate4x4.com/tech/bendin_tube/index.html

It really gives a good starting point for learning the art of bending.

I recently sold my model 3 with a 1" and 1.5" dies. I hated selling it, but bills pile up. :(

I used mine for the cage in my samurai and it more than paid for itself in the money I saved paying someone else to tie my seats and harnesses into the cage.

It looks like they've done some changes to them. Mine used a different handle knuckle. Instead of round tube that comes with it, you just go down a pick up a length of 1"x2" square tubing the length you want/need. I had a 5' handle and bending 1.5" .120" wall tubing was NO problem.
 

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