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

Mechanical Specifications

Standard values:
- Free running speed 3,000 or more r/min
- Pinion gap 0.5 - 2.0 mm (0.020 - 0.079 in)
- Commutator runout 0.05 mm (0.002 in)
- Commutator diameter 29.4 mm (1.158 in)
- Undercut depth 0.5 mm (0.020 in)

Limits:
- Commutator runout 0.1 mm (0.004 in)
- Commutator diameter 28.4 mm (1.118 in)