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« on: February 07, 2013, 07:45:59 PM »
I make slip joint cars. The reason I do it is so I can control the amount of upward movement by how far I slip one tube inside another. I can make the car stiff in some spots and more flexy in others. .058 is the wall thickness I use for doing slip joint cars. Make sure you rosette weld the tubes that slip into one another. Randy Wilson's "Cox and Wilson" Top Fueler is done the same way and it works perfect. Understanding how a chassis works gives you all the advantages you need to make the chassis work. Also the angle of uprights and where they are placed is the key to a car that works. Slip jointing the tubing gives the chassis some style. Also the attachment of the front axle receptacle looks better with 1 1/4" than a bigger piece that really doesn't fit right. Alot of dorks hammer the ends of the tubes to make them fit on to the receptacle, ignorant!
I've been doin slip joint cars for 22yrs and have never had any problems.