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Old May 31, 2011, 01:19 AM
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Joined May 2011
5 Posts
Help!
Is this correct motor, ESC and batterysetup?

Hi,I am gonna build Oshkosh Special Thread Link.

I am gonna buy these all stuff for it please let me know is this correct for oshkosh plane.

1) Brushless Outrunner Motor 1800KV

KV : 1800
A (mm) : 3
B (mm) : 28.9
C (mm) : 28.9
D (mm) : 29.1
E (mm) : 63.9
Weight (g) : 47.6
Propeller (inch) : 6x4
ESC : 12A/15A
Voltage : 2-3S

2)20A ESC 2A Linear BEC

Type : Lipo
Weight : 20C
C : 40C
Burst : 2S
Cell : 1800
mAh : 14
H height (mm) : 32
W width (mm) : 103
L length (mm) : Gold Bullet 3.5mm
Connector : 91

3) 20C 7.4V 2S 1800mAh Lipo (Gold Bullet 3.5mm)

Type : Lipo
Weight : 20C
C : 40C
Burst : 2S
Cell : 1800
mAh : 14
H height (mm) : 32
W width (mm) : 103
L length (mm) : Gold Bullet 3.5mm
Connector : 91


I mean with all thease that if I am not gona fry anything.

Thanks
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Old May 31, 2011, 06:09 PM
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Dr Kiwi's Avatar
Chattanooga, Tennessee, United States
Joined May 2003
27,206 Posts
The motor and ESC will be perfectly happy with a 6x4 on only 2s... you could easily get away with 6x4 on 3s with an 1800Kv motor... and still be well under 20A. If an 8" prop fits, an 8x4 GWS HD on 2s would get you a lot more thrust than a 6x4.

I don't know the make of your motor but here are data pages for a comparably sized, ~1840Kv, KEDA TR2826/18:
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Last edited by Dr Kiwi; May 31, 2011 at 06:16 PM.
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Old Jun 01, 2011, 01:30 AM
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Joined May 2011
5 Posts
Quote:
Originally Posted by Dr Kiwi View Post
The motor and ESC will be perfectly happy with a 6x4 on only 2s... you could easily get away with 6x4 on 3s with an 1800Kv motor... and still be well under 20A. If an 8" prop fits, an 8x4 GWS HD on 2s would get you a lot more thrust than a 6x4.

I don't know the make of your motor but here are data pages for a comparably sized, ~1840Kv, KEDA TR2826/18:

Thanks Dr kiwi for your suggestion. I will buy a 8x4 proppeller. If any one can check too suggest me.
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Old Jun 01, 2011, 07:27 AM
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NSW, Australia
Joined Feb 2011
2,120 Posts
Sounds good mate. I'd also order some 8x6 nd 7x5props as well as you might want to switch around and see what works best. The 8x4 is a safe bet though.

Cheers - boingk
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