Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Valve Spring

Compression Pressure @ Length (Without Damper)
Loaded 800.6 N @ 29.5 mm
(180 lbs @ 1.16 inch)
Unloaded 289.1 N @ 40.1 mm
(65 lbs @ 1.58 inch)

Service Limit
Pressure Loss @ Specified Height 10 % Loss @ Specified Height