That's right Casey is a pipe coupler but I change the motor also at 12v. Chinese shit for 6 Euro and is running very good from 6v to 9v .I just found an old electronic store and is selling the Mabuchi motor 9v 2000-4000 rpm with 1euro is for tape recorders with 2 speeds I will try to fit it on the springer rotary work.
Check also that upgrade
http://www.rotarytattoo.com/showthre...-Works-Upgrade
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