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Old Aug 10, 2014, 07:57 PM
Registered User
Joined Jan 2009
81 Posts
Question
Prop, Motor, Gearbox question

I'm building a 1/32 scale sub for surface running only.
I have right and left hand 2 3/8" Robbe props and I need to choose
motors and gearboxes. I'd appreciate some help from anyone with experience in this area. The motors will have separate speed controls.

The props have a pitch of 45, and I want to run the model on either a 12v or 2 6v batteries.

Emphasis is on long steady running instead of speed.

Thanks for any help.
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Old Aug 10, 2014, 11:58 PM
Submarine or Target?
ericbphoto's Avatar
United States, SC, Piedmont
Joined Jul 2013
526 Posts
You may want to repeat this request in the submarine forum if you haven't already. Someone there may even have the same model.
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Old Aug 11, 2014, 01:08 AM
Boats on the brain!!
green-boat's Avatar
Arnold, Mo.
Joined Jul 2005
4,613 Posts
I'd say a couple of 555 motors with a 1.5:1 to 2:1 reduction.
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Old Aug 11, 2014, 01:13 PM
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Joined Jan 2009
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Quote:
Originally Posted by green-boat View Post
I'd say a couple of 555 motors with a 1.5:1 to 2:1 reduction.
Thanks! That's a good starting point for me to do some research...
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