Markd51,
The Typhoon motor, 3m153, is both physically larger than the motor used in the 16.5, 3M099, and turns at 20 rpm as comparred to 18 rpm for the 16.5 motor. While there is a difference in size between the two, there is ample room in the 16.5 for the larger Typhoon motor.
Ken
The Typhoon motor, 3m153, is both physically larger than the motor used in the 16.5, 3M099, and turns at 20 rpm as comparred to 18 rpm for the 16.5 motor. While there is a difference in size between the two, there is ample room in the 16.5 for the larger Typhoon motor.
Ken

