Posted by George on October 21, 2004 at 08:38:39:
This picks up on my earlier old standard question.
The application was an internal ring gear, 36T, 14P with a 2.571 PD, cut with 'straight' (now believed to be 14-1/2 degree) teeth.
The planet gears were 12T, 14P with a PD of .857 and cut with 20 degree spur.
The Sun gear was 12T, 14P with a PD of .857 and appears to have been specified cut 'straight'
The gears were steel, the ring Bronze.
Sounds strange, but thats what the archive documents say. The original design, was all specified 'straight', then about 10 years into the design the planets only were revised to 20, the others show no revision. The change in planets reason was to stop accelerated wear.
Thoughts and comments?
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