PGT has a complete and easy to understand gearing manual specifically for plastic gears.
The “Plastic Gearing” manual is available for $69.50 (1999 price) from ABA-PGT.
For more information about the PGT tooth form please contact:
ABA-PGT, INC.
1395 Tolland Turnpike
P.O. Box 8270
Manchester, CT 06040-0270
ABA (860) 649-4591
PGT (860) 643-6340
FAX (860) 643-7619
Web Site: www.abapgt.com