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Might be a stupid question for the suspension gurus, but has spool valve technology been used in motocross? Since the early 2000s, it has been very successful in auto racing, and is now in production on some high end street applications such as the Z/28, Ford GT and now the Chevy ZR2 offroad version of the Colorado. While reading about it, I can't help but think that would be ideal for bikes. Basically it replaces the piston and shim stacks with a spool valve.
http://www.trucktrend.com/how-to/chassis-suspension/1611-chevy-colorado-zr2-shocks-explained-inside-the-multimatic-dssv/
http://www.multimatic.com/motorsports/multimatic-motorsports/dssv-dampers-motorsports/
http://www.trucktrend.com/how-to/chassis-suspension/1611-chevy-colorado-zr2-shocks-explained-inside-the-multimatic-dssv/
http://www.multimatic.com/motorsports/multimatic-motorsports/dssv-dampers-motorsports/
I was surprised that an article I read said shim stacks arent very tuneable. Shim stacks are hugely tuneable.
The cone valve has the specific advantage of the ability to be firmer in lower speed regions but softer on high speed strikes.
This can be great, but has to be tuned in just right
Shim stacks are easy to tune, practically infinitely tuneable, and depending how you look at it, are very safe. When you over jump something huge to flat they provide massive damping control to absorb as much of that impact as possible. The negative is they are practically impossible to make firm but not harsh..at least over a very broad spectrum.
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