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Old Dec 09, 2013, 06:37 PM
Racing Enthusiast AMA 3557
JetMech2002's Avatar
United States, MO, Sedalia
Joined Sep 2011
645 Posts
Discussion
Prop adapter solutions for 12mm motors?

What are you guys using for the short shaft 12mm motors?
Thanks
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Old Dec 09, 2013, 09:09 PM
"Unnecessary Necessity"
coriolan's Avatar
Canada, BC, Vancouver
Joined Sep 2006
5,618 Posts
Most 12mm motors(GWS,Feigao,Medusa)have a 1.5mm shaft and uses a 3" prop which is just press fitted on the shaft. GWS used to have an adapter GWADP001 with a screwed on prop:
http://www.gwsus.com/english/product...ve%20shaft.htm
BP Hobby might have them:
http://www.bphobbies.com/view.asp?id=H3334949
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Old Dec 19, 2013, 10:00 PM
Southern MN USA
meltor's Avatar
Joined Jun 2012
329 Posts
I have used a piece of straw from a can of carb cleaner with a piece of wire case slid over the straw and pressed into the hub of the gws prop. the carb cleaner straw (red straw from walmart carb cleaner) will thread perfectly to the prop shaft of the parkzone p-51 ect.
I have used this method with the gws 5043 props and had great results.
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Old Dec 20, 2013, 12:54 AM
Gary
gklein's Avatar
USA, CT, Sandy Hook
Joined Dec 2009
782 Posts
Wire case?
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Old Dec 20, 2013, 06:45 AM
Registered User
Petefoss's Avatar
Oxford, Michigan, United States
Joined Aug 1999
2,224 Posts
I like the ones Bob Selman sells.

http://www.bsdmicrorc.com/index.php?productID=665
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Old Dec 20, 2013, 08:33 AM
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Joined May 2012
33 Posts
http://www.microflight.com/Online-Ca...dapter-Set-4mm

for props with 4 mm bore (GWS 5" props)
drill the holes depending on the shaft diameter
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Old Dec 20, 2013, 12:33 PM
Southern MN USA
meltor's Avatar
Joined Jun 2012
329 Posts
Quote:
Originally Posted by gklein View Post
Wire case?
yes the the covering on light electrical wire.just find the right diameter to fit the hub of the prop you are using and strip off a short piece to fit. then press the piece of plastic straw into the hub with the vinyl wire casing. if you have a bits of wire around then you should be able to find a piece that fits the hub properly.
it works, it costs you nothing.
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Old Dec 20, 2013, 09:30 PM
Registered User
West of California Speedway, East of LaLa, North of Disneyland
Joined May 2001
2,196 Posts
The "covering" on wire? The "casing" ? It's called "insulation".

Can everyone say INSULATION ?


Quote:
Originally Posted by meltor View Post
yes the the covering on light electrical wire.just find the right diameter to fit the hub of the prop you are using and strip off a short piece to fit. then press the piece of plastic straw into the hub with the vinyl wire casing. if you have a bits of wire around then you should be able to find a piece that fits the hub properly.
it works, it costs you nothing.
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Old Dec 20, 2013, 09:41 PM
Southern MN USA
meltor's Avatar
Joined Jun 2012
329 Posts
wow.....just wow.....
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Old Dec 20, 2013, 10:16 PM
Mack
Peter Mack's Avatar
Australia, VIC, Mentone
Joined Jun 2004
459 Posts
Simple prop adaptors can be made from credit card plastic, 1/32" ply or even pliable iron or copper wire coiled around the shaft and the ends curled to form hooks for suitably small rubber bands. Such adaptors can be fixed to the shaft with epoxy or cyano. I have had much more trouble with commercial metal prop savers with their infernal Allen key screws than with any DIY ones. Plastic ones could be better though.
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