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Making a seat force feedback
fogman:
I am finished with my first cabinet (Yay!) after about a year of building and another 6 months of tweaking.
Bones:
It's an interesting idea but I would imagine quite noisy!
Another good way do it would be to use compressed air which operates a pneumatic actuator. You could probably feed a signal into a solenoid valve to help control things. Again, a noisy option but would have slightly less moving parts. (No need for the clutch, pulley or drive belt.)
shafor:
What about using an industrial vibrator. It seems like this would be very easy to mount and it would require less space.
http://www.grainger.com/Grainger/productdetail.jsp?xi=xi&ItemId=1611786151&ccitem=
Bones:
Those are used mainly to agitate product such as silos full of wheat. It's a very subtle vibration to keep things from sticking and difficult to control. They are designed to constantly run and don't perform well if constantly stop/started. They are available in a good range of sizes but again, they are very noisy.
The air operated units have a silencer port, but you still hear the sound of the little ball inside shaking away. It's the sort of thing you would need to wear ear protection if you were around it long enough.
shafor:
granted they are used on shaker tables and such, however for this application it would be an easy and simple mod for a prototype.