10g 1811 rewinding - RC Groups
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Nov 20, 2009, 07:57 PM
Fly and Crash
Help!

10g 1811 rewinding


I bought the the 10g motor and have had success with it. Until the wires broke off, which in hindsight is all my fault for letting the motor hang by the wires (and having the motor break off in midflight and only remained attached by the wires).

Since I can't find the wires I figure I might as well rewind it. I've never done this before so any help would be awesome. I run a 2s 360mah battery. I loved how it ran with a GWS 6x3. I would like a bit higher rpm, but if I reduce the amount of winds I still want enough torque to swing the 6.3 prop.

Basically: What guage wire should I use and with how many winds.

Thanks for the help.
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Nov 20, 2009, 08:26 PM
Professional relaxer
nyflyer1's Avatar
18 or 19 turns of 30awg wire terminated wye should be just what you're looking for.
Nov 20, 2009, 09:20 PM
Fly and Crash
Nyflyer: Thank you for the help.

18 -19 turns will have a kv of .........2000?

If I wanted a higher kv I could go with 28 or 26 guage wire, or would this not produce enough torque?

Thanks
Last edited by dieselBird; Nov 21, 2009 at 08:39 AM.
Nov 21, 2009, 07:04 AM
56S
56S
Certified Balsa Breaker
56S's Avatar
I have some data on this motor somewhere....I do remember that she ran better on smaller props. The 5x3 prop was more efficent but the 6x3 worked better on my 30", 5oz planes. Bringing the KV down slightly might help make the 6x3 a bit more efficent. I started using the 16 gr cousin and the 7x3.5 and like that combo.
Nov 21, 2009, 03:28 PM
Professional relaxer
nyflyer1's Avatar
Quote:
Originally Posted by dieselBird
Nyflyer: Thank you for the help.

18 -19 turns will have a kv of .........2000?

If I wanted a higher kv I could go with 28 or 26 guage wire, or would this not produce enough torque?

Thanks
Yes, 18-19 turns will yield roughly 2000kv. The biggest wire I would go with is 28awg wire and try to fit as many turns as possible of that.
Nov 21, 2009, 10:29 PM
Fly and Crash
Thanks all,

I start tonight.
Nov 23, 2009, 01:10 AM
Registered User
Amp Abuser's Avatar
Yes I did 18t 28g wye be very slow and methodic watch not to nic the wire as you wind this ones real small. Also when you take the old wire off don't get too aggressive or you will chip off the green powder coat in spots, mine chipped and I was careful.
I also rewound one with 12T 26g wye and the iron became oversatuated unloaded at full throttle no prop on 2S.
Nov 23, 2009, 09:34 AM
Scratch builder
Here's an earlier thread on this motor if you're interested.

https://www.rcgroups.com/forums/show...hlight=uh+1811
Nov 23, 2009, 09:54 AM
Professional relaxer
nyflyer1's Avatar
Quote:
Originally Posted by Amp Abuser
Yes I did 18t 28g wye be very slow and methodic watch not to nic the wire as you wind this ones real small. Also when you take the old wire off don't get too aggressive or you will chip off the green powder coat in spots, mine chipped and I was careful.
I also rewound one with 12T 26g wye and the iron became oversatuated unloaded at full throttle no prop on 2S.
WOW! 18t of 28awg? I could barely get 18t of 30awg in there the first time I tried. You must have a heck of a motor in your hand! Probably one of the most efficient motors in its class!
Nov 23, 2009, 10:23 AM
Fly and Crash
Quote:
Originally Posted by nyflyer1
I could barely get 18t of 30awg in there the first time I tried.

Well you outdid me. 16 turns of 30awg, not the best but the motors runs(if it matters the wire is RadioShak 'magnet' wire). It doesn't pull my 6x5 prop like it use to. The 6x3 is good and the 5x3 still runs very well. Before you all post I know it's because I am now getting less torque and a bit higher rpm.

Thanks for the help and the links. They're very helpful.

Oh.. if anyone can verify. I believe the motor originally had 20 turns of something smaller than 30awg.
I guess that's how they got the kv down to 2000 when most of the other motors at hk had kv's of 2700+.
Last edited by dieselBird; Nov 23, 2009 at 10:31 AM.
Nov 23, 2009, 10:40 AM
Professional relaxer
nyflyer1's Avatar
Quote:
Originally Posted by dieselBird
Well you outdid me. 16 turns of 30awg, not the best but the motors runs(if it matters the wire is RadioShak 'magnet' wire). It doesn't pull my 6x5 prop like it use to. The 6x3 is good and the 5x3 still runs very well. Before you all post I know it's because I am now getting less torque and a bit higher rpm.

Thanks for the help and the links. They're very helpful.

Oh.. if anyone can verify. I believe the motor originally had 20 turns of something smaller than 30awg.
I guess that's how they got the kv down to 2000 when most of the other motors at hk had kv's of 2700+.
I used radioshack wire, too, and I managed to get 20t once. Just take your time, make the first layer perfectly flat, and try to get the second and third layers as neat as possible. It's not an easy wind by any stretch of the imagination with 3 layers in a teeny motor like this so don't try to break any time records with this. The 20t wind I did took me almost 3 hours! It payed off, though because it can now swing a 7035 prop with a measly 3.6a.
Nov 23, 2009, 11:13 AM
Fly and Crash
I got six winds down on the first layer. Did you do 3 layers of 6 and then 2 more on the fourth layer?
Nov 23, 2009, 11:17 AM
Professional relaxer
nyflyer1's Avatar
Quote:
Originally Posted by dieselBird
I got six winds down on the first layer. Did you do 3 layers of 6 and then 2 more on the fourth layer?
I got 7 turns on the first layer and 7 turns on the second and 6 turns on the third. I think a fourth layer would be impossible. It is a lot easier to do a 19t wind, 7t on the first, 6t on the second and 6t on the third.
Nov 23, 2009, 11:42 AM
Fly and Crash
Thank you for all the valuable information Nyflyer.
Can the green enamel coating be scraped off?
After soldering the magnet wire, what do you do to keep them from breaking? (CA, Hot glue?)


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