What's the best way to find angle of tube for notching ?
Tube notching / fishmouths
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I don't know if this will help, but there is a free program called 'tube miter' online, look it up, download it.... it will print templates for miter joints on all sizes of tube up to around 3.5". It will calculate all angles, and print temps for connecting different sized tubes together of different wall thickness.Jonny
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Tubemiter program
here is copy of the FREE tube miter program(runs in windows)
I had "Zip it" to upload it.
Everthing MM but it works pretty goodAttached FilesLive Right Have Fun
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those programs are worthless unless you are notching with a saw or a grinder. if you already know the intersection angle, you know the notch angle too. i just fit up a cage yesterday and eyeballed every notch in the car. every tube fit perfect on the first cut.LINCOLN IDEALARC 250 TIG
LINCOLN SP100 MIG
15 TON X 4' VERSON PRESS
VINTAGE W.F AND JOHN BARNES 15" DRILL PRESS
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1956 FORD F-100
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6pak,
Hope you didn't sprain your shoulder too badly, PATTING YOURSELF ON THE BACK.
That really helped the OP I'm sure.Syncrowave 250 DX Tigrunner
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i'm not trying to pat myself on the back. I'm just tryig to say that if i can do it, anyone can.LINCOLN IDEALARC 250 TIG
LINCOLN SP100 MIG
15 TON X 4' VERSON PRESS
VINTAGE W.F AND JOHN BARNES 15" DRILL PRESS
WILTON C-2 BENCH VISE
HF 20 TON SHOP PRESS
TONS OF OTHER TOOLS
1956 FORD F-100
1986 OLDS CUTLASS
1969 PLYMOUTH ROADRUNNER
1993 DODGE DAKOTA
1994 DODGE DAKOTA
1998 FORD MUSTANG GT CONV.
2003 DODGE NEON
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I use these http://www.vansantent.com/pipeMaster.htm with ,
I made a set of "jigs" one end has the tubing size I'm fabing about 8" long with the pipe master on it, then I have a second pieace of tubing " I have various lenth's" smaller so it will slide in side the first piece then U can put it in the gap, slide it apart, get your fit with the "pipe master" take it out trasfer it on to you work pieace then do the other end. it works for me. Not perfect and takes a little time but I find its easier than the programs, for the amount of tubing U will waste trying different bends,notches IMO its faster to try it, and it does not fit save it for another project and build another pieace than it is to mess around with a computer.
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You can use the edge of a bending die as your mark.
If you bend your own tubing, mark where the die edge is at the start, and you'll have a reference point. I hope that helps you with your question.Precision is only as important as the project...if you're building a rocket ship...1/64" would matter. If you're building a sledgehammer...an 1/8" probably wont.
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Originally posted by Horns View PostOne thing I've found hard to find out and am still looking for info on is finding what point to go off of from a bend in tubing, since there is no edge, where do you measure from?
I believe you can actually rent Covell's videos on some web sites.Con Fuse!
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Here is a photo demo of chop saw pipe notching, don't get no easier that this
Pirate 4x4 chop saw notching photo demoglen, If your not on the edge, your wasting space
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