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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Fabricating FMX jump
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[QUOTE="rm_racer, post: 939194, member: 59908"] Hey, I didnt know where to put this, so I figured this would be a pretty good place. Anyway, Ive been planning a 4-6 foot kicker jump made out of steel, then screw on a rubber mat type thing for some grip on the face. I have a cuple questions first thought. What would be a good angle so theres lots of height, but I dont want a huge long gap, becasue I have space issues (need to clear the area and fill it, so smaller the better)? Im thinking maybe a 20-30 foot gap, with 10-15 feet of height, and to be able to clear it in about 3 gear tapped. Now some things about the fabrication. (hoping to be a fabricator or machinist when I graduate collage, but I have a while to go). Im thinking 1 inch square tubing. I dont have a welder, and that will be the most expensive to get. I have welded slightly thought. Ive drawen up some plans to, I can post them if I find them if you want. 1) Im thinking a mig with gas, not Flux core? 2) Whats a good brand of welder? Ive looked at miller and Lincoln. I found a Lincoln on **** for 280$us that runs on 115 volt standard power. Ive heard that the 115 volts are not very dependaple, is that true? Its a 20% duty cycle at I think 80amps, I know that is slightly low, but I dont have a huge budgit here. 3) Almost done, I really dont want to go buy a tubing bender, so how can I bend the tubing for attaching the sheet metal for the face? 4) Finally for now, how thick is 1" square tubing typically? Thanks for reading the long post. Im asking here becasue im sure some of you have done some welding, and can help me out with the angles and stuff. Thanks again! Ryan. [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Fabricating FMX jump
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