misc. dyno's
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These records are intended as a library mainly for myself.
I’ve tested and proved some configurations which make me understand some suspension basics better.
- For the test of different shim stacks I only used a flow/pressure recording. It doesn’t show the pressure build up at acceleration.
Like an engine dyno. It shows you the power at a specified rpm, but it gives you not an exact advice what you feel when you hit the throttle.
- do not compare different diagrams due to measurement inaccuracy (oil temperature / Oil flow is not very stable at different measurements)
- All components of a fork are a complex system, more than just valving of the BV and MV. It’s good to know some theory, but praxis is at least
as important as theory!
measuring device:
different oil weights:
with/without blowoff springs:
tapered (common)shim stack vs. stack with only one shim diameter
another midvalve with blowoff spring and different bleeds:
red curve follows yellow curve
more thinner shims provide less HS damping:
different size valve ports:
different clamps
comparison of a 14mm and 16mm clamp. even 32 face shims (with 14mm clamp) result in a softer damping than
15 face shims used with a 16mm clamp. this comparison was made with just 0.11mm shims, with the stock setup
(two 0.15mm shims) the difference is expected to be less because the thicker a shim, the more it tends to
be a clamp itself.
linkage ratio 09 KX450F
1l = 1 Liter = 1000cc = 0,26 Gallons
1m = 1 Meter = 3.28 feet = 39.37 inch
0.1mm (common shim thickness) = 0.00394 inch
1 bar = 14.5 psi
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