Found a couple free tube bender plans.
This one is for your standard horizontal pedistal style. Pretty good detail for each part.
http://www.te-motorworks.com/gallery/shop/hossfeld/
Pro tools offers free plans to build thier hydraulic pull through bender. They also offer all the parts individualy.
http://www.pro-tools.com/200k.htm
This is a good write up with pics on how to build one similar to above.
http://www.blindchickenracing.com/Tools/Tube%20Bender/Tubingbender.htm
One more variation of the above with more detail and specs.
http://favoriteprojects.com/how_to_build_a_tube_bender.htm
This one is for your standard horizontal pedistal style. Pretty good detail for each part.
http://www.te-motorworks.com/gallery/shop/hossfeld/
Pro tools offers free plans to build thier hydraulic pull through bender. They also offer all the parts individualy.
http://www.pro-tools.com/200k.htm
This is a good write up with pics on how to build one similar to above.
http://www.blindchickenracing.com/Tools/Tube%20Bender/Tubingbender.htm
One more variation of the above with more detail and specs.
http://favoriteprojects.com/how_to_build_a_tube_bender.htm