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Road racing setups versus Dirt
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[QUOTE="Jeremy Wilkey, post: 705099, member: 17220"] Guys many interesting pieces here.. I don't claim to know a whole lot about street bikes, only I'm progressively learning through some very smart and capable road tuners.. So that being said I can only comment on some points.. Small orficing does not cause cavitations in and of itself in practice that I'm aware of.. Of coarse you could look at it in a more specific way and say that yes it could "if" we had a situation where the pressure in the cartridge was so much larger than the "force of air spring and rod pressure (Static measurement/ verse dynamic measurement) was less than the instant and dynamic cartridge side that if you had a net pressure drop enough across the valve you could get cavitations due to a reduction in that pressure. (a specific pressure/vapor pressure) type equation.. Very intriguing.. To further go along with your point cavitations always occurs in a suspension system, we know that from some papers SVI found on the SAE site, the issues with the "preconditioning" of shock fluid in vacuum systems, and some mysteries reviled to me in testing different piston materials... So I guess this means that cavitations occur as a function of pressure drop across the valve shim boundary, and other variables such as fluid, and internal pressure not so much by the piston orficing itself.. Although radical designs could in theory add to the effect.. As for the shim Stacks, Why wouldn’t a road race bike have a burly shim stack? Secondly more oil flow through a clicker does allow for more adjustment, but what happens to the rest of the oil, and subsequent speed / force relationship? BR, Jer [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Road racing setups versus Dirt
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