What sort of Gear do I need?

What sort of Gear do I need?

This topic has 8 replies, 7 voices, and was last updated 28 December 2016 at 09:18 by Bazyle.

Viewing 9 posts - 1 through 9 (of 9 total)

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27 December 2016 at 19:17 #273961
Chris Bullers
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@chrisbullers78645
I'm building some small motorised models and Im looking for a cost effective motor solution. Ive found these online, which are temptingly small (and cheap), but Ive never seen model motors that have this cross shaped shaft. I've looked for model gears that that fit, but Ive only seen round and 'D' shaped.

Any ideas?

Thanks

http://tinypic.com/m/jso781/4
Advert

27 December 2016 at 19:17 #8457
Chris Bullers
Participant
@chrisbullers78645
28 December 2016 at 07:26 #273996
JasonB
Moderator
@jasonb
Looks like the cross shape and the black part behind it are not really part of the motor. The metal "can" is basically the motor that I suspect has a round shaft comming out of it. Question is can the other bits be easily removed.
28 December 2016 at 07:58 #274001
Geoff Theasby
Participant
@geofftheasby
The biggest maker of small electric motors on the planet is Johnson, of China. Try their website. Also try Technobots, for a good range of cheap motors. (Usual disclaimer)

Geoff
28 December 2016 at 08:10 #274003
Michael Gilligan
Participant
@michaelgilligan61133
As Jason observes … The end section looks like an add-on gearbox [or possibly a clutch].

Is the output speed specified ?

If they're cheap; buy a couple and do a 'teardown' to discover what's inside.

MichaelG.
28 December 2016 at 08:16 #274005
pgk pgk
Participant
@pgkpgk17461
In my heli flying days i bought some stuff from hobbyking.. they have a range of motors from tinier brushed stuff all the way to brushless with a few HP and do gearboxes etc. Best value on there used to be their wires and heatshrink.

**LINK**
28 December 2016 at 08:27 #274009
john carruthers
Participant
@johncarruthers46255
MFA (como drills) are just down the road from me, lots of motors and gearboxes…..
**LINK**
28 December 2016 at 09:15 #274013
Bazyle
Participant
@bazyle
Also look at model boat suppliers then on their website search for motors

also try robotics suppliers.
28 December 2016 at 09:18 #274016
Bazyle
Participant
@bazyle
When you have bought a motor come back and ask how to fit the gear explaining what equipment you have to get some advice on how to make the hole the right size and in the middle.
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