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> Electric Motors > Motor Parts
> Electric Motors > NTM Series > Accessories


NTM Prop Drive 28 Series Accessory Pack

NTM Prop Drive 28 Series Accessory Pack

Standard accessory pack for NTM Prop Drive 28 series motors.

CNC Machined (take a close look at the cross mount, even that is machined rather than punched) from billet 6061 alloy for strength and balance.
The propeller adapter is a press fit to ensure balance.

Shaft Diameter: 5mm
Shaft Length: 19mm
Cross Plate Bolt Holes: 34mm
Weight: 13.8g (Total)
Produced in-house by hexTronik to reduce costs and deliver better value to you!
Note: Ensure your propeller is balanced to avoid breaking shafts/bearings.


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Weight: 22g Quantity: 
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Price $1.89

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 Customer rated
Total of 188 discussions.
John  1 points - 9/16/2014
i just need to get a quantitiy of the cross mount piece. does anyone know if this is sold seperately anywhere? thanks!
mark  1 points - 9/9/2014
using one of these motors to drive a radian 2000 works realy well, using aaeronaut 12 by 6 carbon prop
krashNburn  487 points - 9/8/2014
is this one safe to use for the shaft? PRODUCT ID: OR017-01007-M5
 M 6 points
Yes you can, it's has a standard M5 thread.
Totally  2 points - 9/7/2014
Hey guys. Could anyone tell me the exact size of the small black screws? All I know is that they're smaller than M3...
 M 6 points
M2.5 x 8mm
Maurice M  1 points - 7/16/2014
Hello everyone. On quadcopters, compared to tricopters, one must have two propellers spinning in one direction and two in the other. Is there a counter part to this product that has windings in the other direction, so it doesn't unscrew itself when spinning it in the opposite direction? I really need help on this one! Thanks a lot!
 Senator315 2045 points
No there isn't, not for NTM anyway. There really is no need for it as long as you tighten them up firmly. Finger tight is not enough.
 StevenC 809 points
It's best to use M5 lock nuts instead of those spinners as the nuts won't loosen with angular acceleration and vibrations.
 Richardswe 28 points
Actually the force when starting a propeller in the normal clockwise direction would cause the unscrew problem you refer to also on the tricopters. The counterclockwise setup would tighten the nut. Anyway, the spinners for these motors have a perfect hole in which you can put a generic turnigy hex tool (make sure to not just put the tip in as it will break off) and hold the propeller firmly while tightening the nut. A little thread-lock could be used if you're worried.
 Branko 20 points
You can use loctite. This glue is made for screws which will be hard to undo though.
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Good Quality - did hope it fits a Mystery 1700 ... sadly not. But overall a good set.

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Arrived nice. should have been included in with the motor. Anyway, can't complain now.

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Overall very nicely machined. However, the cross is a bit weak, compared to other sources - it bends at the inner holes quite easily. This is almost not noticeable when actually attached to the motor, but still it's a bit weaker than others. The propeller mount fit is sometimes very snug, so you have to use the screws to actually drive it onto the motor (by hand it wont go on)

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Perfect fit to the NTM28-26A motor. This part actually should have been included in with the motor. I don't mind increase the price of motor for this parts.

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Why make it another item when you can include this with the motors!! Anyways, nice strong metal!!

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