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[ QUOTE ] Clay, Your "spacer" method of adjusting anti dive may need spacers of large proportions. Starting from the horizontal plane you may need to raise or lower the rodend 20-40 mm. That means a long bolt subject to bending loads. The amount of rise and or fall is greater with a wide...

GraemeS I was not aware of that site, Thank you.

Why would the pick-up points for the control arms have to be adjustable. You would just have the spherical joints shown in the picture rotated 90 degrees, and have their mounting area somewhat tall. Then use spacers to move one of the joints up, and the other down. Then having either spherical...

ah, brilliant. Thanks Bob.

so lets say you turned the joints 90 degrees from how they are oriented in that picture, then placed spacers on top of and under the joints, the larger the spacers, the more the arm would rotate, and the closer the joints would get to eachother in the side to side measurement right? So the bolts...

Bob, please forgive me for not understanding at first glance. how would making each side of the control arm indivdually adjustable make it able to tune in anti-dive?

a friend from another board just pointed this out to me, if i was using the method if putting spacers above and below the rod ends to rotate the axis for anti-dive, the rod ends would be moving closer together as the arm rotated, there for needing the bolts that hold them to move closer too...

What you are saying about rasing the top front, and lowering the top rear is exactly what i was talking about. Using identical sized spacers so that they are each moved the same distance but in opposite directions. So you are essentially rotating the arm. Since I can only use one of these...

By looking at the Factory Five chassis GraemeS posted, there doesnt seem to be much side support with that one diagonal bar. Do the Backbone, and upper roll bars connecting the 2 verticals give enough support to keep the car from flexing at the mid section?

Ive been considering methods of incorporating adjustability into my suspension design on the custom chassis ive been working on and am wondering if anyone can shed some light on the methods i've though of, and tell me if they are good ideas, or shouldnt be tried. My Goal is to have adjustable...

thanks GraemeS I believe that is the Factory Five GTM right? That car is very nice. Kind of a new-age gt40.

Sorry about the misinformation about the unsprung vs. sprung mass info, I was sure i read that in one of the suspension books i read, but when i went back to look for it to double check i couldnt find it. Now im wondering if i actually ever read it at all lol. The only info i found was that...

That is a push rod inboard suspension, there are several benefits to this. Mounting the coilovers horizontally on top of the gear box removes the coilovers from the unsprung mass, and essentially makes it sprung mass. You can tilt the coil overs any which way as long as the lever arm is situated...

Chris, I tried constructing a wood model with stuff i had around the apartment. 12" Long wooden matches, but superglue was not holding them together, i dont know if the wood was soaking the glue in and keeping it from sealing or what, but it was annoying. Maybe the balsa wood and hobby shop glue...

This was a design revision made by a fellow builder for if the driver needs space to get his legs in and out of the car over the side bars. Thoughts on this? I think this is one of the best ones yet. If this design proved to be good enough, I would most likely use it over the others.

Lets say I were to make the car a convertible with a removable hard top, and didnt need space for the driver to swing into the car from the side, would the best design be this one?

Thanks, I've redrawn the chassis without the X-Braces, replaced by a single diagonal support. The center section is lowered like that because i wanted to leave room for the driver to enter and exit the car. Should I make the upper brace of the driver area match the upper braces in front of and...

Sorry for the poor quality these are digital pictures of a drawing. The center of the chassis has a structural back-bone to provide more chassis rigidity, where the cooling pipes will be stored.

here is the top view

Ive started working on a custom chassis on paper. This is not a gt40, but it is similar. This chassis will be made to specific length/width/height to fit within a pre-existing body. Ive reviewed some other chassis designs and it seems that where I put X-brace supporting, I could have used 1...