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Motor gear cog flew off? Help!!

Problems of AR Drone 2.0, Freeflight 2, Flight Recorder GPS, Qgroundcontrol... etc.
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man_bites_dog
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Motor gear cog flew off? Help!!

Post by man_bites_dog » 29 Dec 2011, 22:21

Hi all

Got a weird problem here. I was flying my drone the other day and it spazzed out and dropped to the ground. Upon inspection I noticed that a gear cog from one of the motors had popped off. Somehow, it must have dislodged itself. The question is where the heck do I get a new one. The motor itself is still fine and I really don't want to have to buy a whole new motor just because the gear is lost. Any ideas?

cozmicray
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Re: Motor gear cog flew off? Help!!

Post by cozmicray » 06 Jan 2012, 00:56

cog = tooth on a gear

Drone has pinion gear (on motor shaft) and a drive gear (attached to prop or rotor blade).
Both are spur gears.

It takes a gear puller to get pinion off the motor shaft.
Pinion is an eight tooth 5mm brass gear with 1mm shaft.

New motor comes with pinion gear and may be the only way to get up and flying.

droneparts_de
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Motor gear cog flew off? Help!!

Post by droneparts_de » 06 Jan 2012, 08:37

Unfortunately the only way is to replace the motor...I have a broken motor on stock, but it's a huge effort to get the gear and assemble it on the motor
http://www.droneparts.de - Parrot AR.Drone and DJI Phantom partner!
...5% discount for forum members. Please contact info@droneparts.de to receive your voucher code - we ship worldwide!...

man_bites_dog
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Re: Motor gear cog flew off? Help!!

Post by man_bites_dog » 07 Jan 2012, 00:48

It's the drive gear that flew off. Does this make it more feasible to fix? How would this even come off if it's difficult to take off?

Thanks

droneparts_de
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Motor gear cog flew off? Help!!

Post by droneparts_de » 07 Jan 2012, 08:55

I think it was a manufacturing error. We had in 2011 two customers with the same problems...
http://www.droneparts.de - Parrot AR.Drone and DJI Phantom partner!
...5% discount for forum members. Please contact info@droneparts.de to receive your voucher code - we ship worldwide!...

cozmicray
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Re: Motor gear cog flew off? Help!!

Post by cozmicray » 08 Jan 2012, 03:44

Parrot AR.Drone Replacement Gear with Shaft Set
Amazon

http://www.amazon.com/Parrot-AR-Drone-R ... y_e_text_c" onclick="window.open(this.href);return false;

three more than you need or you can lose three more

man_bites_dog
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Re: Motor gear cog flew off? Help!!

Post by man_bites_dog » 10 Jan 2012, 22:47

cozmicray wrote:Parrot AR.Drone Replacement Gear with Shaft Set
Amazon

http://www.amazon.com/Parrot-AR-Drone-R ... y_e_text_c" onclick="window.open(this.href);return false;

three more than you need or you can lose three more
That's not the problem - the actual drive pin/cog on the motor flew off! Somehow it came undone!

dhrowe
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Re: Motor gear cog flew off? Help!!

Post by dhrowe » 11 Jan 2012, 00:37

man_bites_dog wrote:
cozmicray wrote:That's not the problem - the actual drive pin/cog on the motor flew off! Somehow it came undone!
Sounds like a new motor. Can you upload a picture? If the drone is anywhere near new, I would also send it to Parrot. ( they might want the old motor so don't pitch it for a bit )

happygoblin
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Re: Motor gear cog flew off? Help!!

Post by happygoblin » 24 Jul 2012, 12:36

I know this is an old thread but came across a french website through another post in the forum that have motor cogs for sale.
Dont know how your supposed to make them secure on the motor spline apart from superglue or maybe plastic steel but heres the link.....

http://vizionair.fr/droneshop/en/32-ardrone

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