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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Valve Spring

GENERAL SPECIFICATIONS
Compression Pressure (N @ Specified Length)
Intake 667.3 N @ 28.02 mm
Exhaust 667.3 N @ 28.02 mm
Free Length (Approximate)
Intake 50.2 mm (1.9764 inches)
Exhaust 50.2 mm (1.9764 inches)
Installed Pressure (N @ Spec. Length)
Intake 289.1 N @ 40.0 mm (64.9897 ft. lbs. @ 1.575 inches)
Exhaust 289.1 N @ 40.0 mm (64.9897 ft. lbs. @ 1.575 inches)
Service Limit 5% Force Loss @ 28.02 mm (1.10315 inches)
Out of Square Limit 2.5 degrees