Chassis Bulders I have 2 questions

Question #1 - What is the function of a slip joint chassis on a t.a.d.


Question # 2 - I'm wondering what causes the upper portion of the wing struts to bend in the same direction, (side ways right to left) the bend is all most the same configuration on front and rear struts? Is this caused from tire shake, or a chassis problem? and this is not the first time this has happened. Any ideas would be helpfull. I'm looking to purchase a t.a.d. roller.
Thanks for the space

 

The slip joints allow the top or bottom frame rail some degree of movement.
It is easier to get weight transfer to the rear wheels. Depending on your setup you may or maynot need the extra weight transfer. If you don't all you have to do is weld or clamp the end of the upright that is sleeved. With the long wheelbases used today the chassis seems to have enough flex with a normal amount of uprights to work ok. Some good running cars use the slipjoint and some don't.

 

The bending of the front wing struts is caused mainly by tire shake. If you look at some of the blown cars that have been running the same chassis for a few years, almost all of their front struts are bowed. When my dad built our car, I believe he went with a thicker wall thickness than required on the front struts. Tire shake can really take its toll on a race car, everywhere from the chassis and electronics, to the motor. Our car was built with alot of these things in mind. When you build your own car you pay alot more attention to detail than a chassis builder would. We are happy to help with any questions. Also, Mike Kosky is a great guy to talk to, he has alot of experience building T.A.D.'s and has one of the nicest and fastest blown cars in the country.


here's a pic of a front wing strut during tire shake.

https://www.autoimagery.com/store/c...lba&cat=all&bool=and&numtolist=12&sortfiles=2

 

check out the pic..day light under the rear tires

 

its amazing the way those struts bend.

 

Thanks to all the people that replied to my 2 questions. I had an idea that's what was going on. 359 pete

 

Tire shake is some amazing stuff. It breaks parts you thought were indestructible and bends things you would have never imagined. Incredible.

 

it could be the back half between the motor plate and the rear housing winding up during launch causing wing stay bending. When the car goes into tire shake the back half unloads, unwinds and winds back up again. The wing stays will then alternate between compression and tension with one side of the cars stays being in tension while the other side compresses. The mass of the wing and the wing stand itself resists this alternate racking. After a run with severe tire shake the wing stays will have a forward curve to them.