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General => Lounge => Topic started by: hundred_dollar_5.0_t-bird on January 19, 2006, 05:31:16 PM

Title: anybody know anything about roll cages ?
Post by: hundred_dollar_5.0_t-bird on January 19, 2006, 05:31:16 PM
for my final high school gr.12 auto project i have to build a rollcage with suspention out of break tubeing about 16in long and 6 in high . im marked of how much weight it will hold in the press ... i was wondering if any of you could give me some tips on how to make it strong... 

thanks

Z
Title: anybody know anything about roll cages ?
Post by: SLEEPER T-BIRD 87 on January 19, 2006, 08:34:42 PM
Good clean well penetrated welds and a good well thought out design will make it strong.

rollcage with suspension?
Title: anybody know anything about roll cages ?
Post by: hundred_dollar_5.0_t-bird on January 19, 2006, 10:35:04 PM
Quote from: SLEEPER T-BIRD 87
Good clean well penetrated welds and a good well thought out design will make it strong.

rollcage with suspension?
 


yeah i have to design a suspention on it (ie. front A-arms...soild axle rear) must work with springs ...one spring for each wheel ....... should i have as many vertical bars as possible ...this has to be to cascar specs....im planing just mig welding the break tubeing

thanks

Z
Title: anybody know anything about roll cages ?
Post by: Red_LX on January 19, 2006, 10:37:41 PM
Triangulation is the name of the game!
Title: anybody know anything about roll cages ?
Post by: hundred_dollar_5.0_t-bird on January 19, 2006, 10:48:22 PM
yes triangulation is a good idea it was one of my first thoughts ...

Z
Title: anybody know anything about roll cages ?
Post by: shame302 on January 19, 2006, 11:11:48 PM
, so your building a whole tube chassis...wow, heck of a school project!
Title: anybody know anything about roll cages ?
Post by: hundred_dollar_5.0_t-bird on January 20, 2006, 04:39:47 PM
Quote from: shame302
, so your building a whole tube chassis...wow, heck of a school project!


yeah its not full size its about 16in long and 6 in high at the highest point ... i also have to do drawings on auto cad with top, side ,front and rear veiws .... all next week since i dont have a welder or auto cad ....:yuck: 

Z
Title: anybody know anything about roll cages ?
Post by: JeremyB on January 20, 2006, 04:47:06 PM
..some good papers on cage design...

http://www.ces.clemson.edu/~lonny/thompson/conference.html

17. Design of a Twist Fixture to Measure the Torsional Stiffness of a Winston Cup Chassis, SAE Paper No. 983054
18. Design of a Winston Chassis for Torsional Stiffness, SAE Paper No. 983053
19. The Effects of Chassis Flexibility on Roll Stiffness of a Winston Cup Race Car, SAE Paper No. 983051
20. The Effects of Local Spring Perch Flexibility on Suspension Geometry of a Winston Cup Race Car, SAE Paper No. 983032

Please note on page 2 of the papers:

The appearance of this ISSN code at the bottom of this page indicates SAE’s consent that copies of the paper may be made for personal or internal use of specific clients. This consent is given on the condition, however, that the copier pay a $7.00 per article copy fee through the Copyright Clearance Center, Inc. Operations Center, 222 Rosewood Drive, Danvers, MA 01923 for copying beyond that permitted by Sections 107 or 108 of the U.S. Copyright Law. This consent does not extend to other kinds of copying such as copying for general distribution, for advertising or promotional purposes, for creating new collective works, or for resale.
Title: anybody know anything about roll cages ?
Post by: Ifixyawata on January 20, 2006, 04:47:37 PM
Where's Chuck?  He'll have something to contribute, I'm sure.
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