Why not use a bass shaker.

"Kevin Fishburne" > wrote in message
oups.com...
> I'm currently designing a racing wheel chassis that contains a racing
> seat, force feedback wheel, and gas/brake pedals. I plan on adding a
> device that uses the audio feed from a PC or console system to move a
> motor that attaches to the seat or other part of the unit and vibrate
> it.
>
> The base of the unit is a 2' x 6' x 1" board, supported by 4" x 4" x 4"
> blocks connected by 2x4's. There are 6 4x4 blocks and 7 2x4's
> connecting them. Looks like a digital figure 8. For the motor to be
> able to effectively shake the chassis, the chassis will need some form
> of suspension. I'm thinking that attaching it to the 4x4x4 blocks would
> be best.
>
> The total weight of the unit and human shouldn't exceed 300 lbs. I'm a
> suspension novice and would like to know if something in the automotive
> field could accomplish this cheaply (under $100). If not, what else
> could be used?
>
> Any information is appreciated, thanks in advance.
>