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Dirt Bike Mods & Maintenance
Question of the month..!! Revisited
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[QUOTE="JTT, post: 69674, member: 19620"] Ok, large orifice piston deflects shims less for a given volume of fluid and a small oriface piston would have to deflect more to flow the same volume. Now, as I understand it, the metering of flow is most effective within a particular range of shim deflection, beyond that metering becomes less effective. So, with a midvalve (active), where, as KX VET pointed out you can have up to 4x the actual volume flowing through the piston, you will require larger ports in order to stay within the effective metering range of the shims. The base valve (passive) on the oter hand flows little volume, therefore should be smaller orifice (low flow) in order to stay within that effective metering range. ...getting close? ------------------ JTT No matter where you go...there you are [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Question of the month..!! Revisited
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