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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Question of the month..!! Revisited
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[QUOTE="Jeremy Wilkey, post: 69659, member: 17220"] JTT, KXVET, It might be better to think of it in terms of velocity through the valve. Flow is not just dependent on volume but also how fast we are pushing it throught the orfice.. Valving is after all nothing other than a varable orfice.. We could drain lake havisu with a Goldvalve given time.. I've done lowflow pistons in the midvalve and they don't work well.. (Case in point MArzoccchi forks) I tried quite alot with this my 93 KX :eek: back in the day.. As "Valve Pressure" increaese due to velocity the valve stack works less effceintly. When we can bleed from a large orfice we decrease deflection (all thing being equal) This lets us modulate flow easier with a shim stack than if we have a huge deflection. The flow patern is like a jet, But the more we deflect the harder it is to modulate the flow... That is my wholw point in my piston design.. Not restricting flow but braking the relative deflections into increments that can be more preciuse based on displacement of fluid.. (a function of speed..) Hope this sheeds some light.. There is much more to talk about here.. I see what you guys do and I will come back.. Regards, Jer [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Question of the month..!! Revisited
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