Posted by lbmakem on July 29, 2009 at 14:07:13:
In Reply to: .909 CP Spur gear posted by Malcolm Brown on July 28, 2009 at 13:43:09:
.909cp is a unusual pitch how did you arrive at it have you a drawing or are you taking the sizes from a old gear. the o/d that you state suggests that the gear is non-standard, (teeth x cp)divided by 3.14159 equals a standard od for your pitch.