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PICKING THE RIGHT MOTOR
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JohnDoe900 View Drop Down
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Posts: 1 		  Quote JohnDoe900 Quote  Post ReplyReply Direct Link To This Post Posted: 13/Jun/2011 at 6:09pm
I used the turnigy L3010-B it gave me loads of power for the mini funtana x

Edited by JohnDoe900 - 13/Jun/2011 at 6:09pm
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wanderv View Drop Down
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Posts: 1 		  Quote wanderv Quote  Post ReplyReply Direct Link To This Post Posted: 12/Jul/2011 at 4:49am
Hi guys! Could someone tell me which engine replaces the
Outrunner Brushless Motor C4015 / 1000 with the following specifications:

Specifications:
No. of Cells: 2-3 LiPo (7.4 - 11.1 V)
Dimensions: D40 x 15 mm
Shaft diameter: 4 mm (partially threaded)
No-load current: 1.5 A
Max current: 27 A
No-load RPM: 1000 rpm / V
Max thrust: 1400 g
Weight: 90 g
Propeller: 10 x 5 inch
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ezarc View Drop Down
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Posts: 258 		  Quote ezarc Quote  Post ReplyReply Direct Link To This Post Posted: 17/Sep/2011 at 7:32pm
Originally posted by wanderv

Hi guys! Could someone tell me which engine replaces the
Outrunner Brushless Motor C4015 / 1000 with the following specifications:

Specifications:
No. of Cells: 2-3 LiPo (7.4 - 11.1 V)
Dimensions: D40 x 15 mm
Shaft diameter: 4 mm (partially threaded)
No-load current: 1.5 A
Max current: 27 A
No-load RPM: 1000 rpm / V
Max thrust: 1400 g
Weight: 90 g
Propeller: 10 x 5 inch


It might not be much help but I found this:
Scorpion HK-4015-1450KV Brushless Outrunner Motor

It will fit but its nearly 3 times the weight, higher rpm and 5mm shaft.

Thats all I could find that is a 4015 with the search.

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fluffy11 View Drop Down
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Posts: 62 		  Quote fluffy11 Quote  Post ReplyReply Direct Link To This Post Posted: 03/Nov/2011 at 10:02am
a 3548,or 3542 3 cell should be fine with the 3548 900-1100kv turnigy you can run up to 4cells the best way to figuer out what motor is by wieght this you can find in the tec. notes in some cases it's not entered, however thats mostley on the lager motors a 4260-500 will run up to around 8-9lb with 6-7cells I run this motors with 6lbor higher higher then go up to 5065 after that 8-9lb spot
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fluffy11 View Drop Down
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Posts: 62 		  Quote fluffy11 Quote  Post ReplyReply Direct Link To This Post Posted: 03/Nov/2011 at 10:06am
3542 100kv would be more power the you would need
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Kardan View Drop Down
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Posts: 11 		  Quote Kardan Quote  Post ReplyReply Direct Link To This Post Posted: 12/Dec/2011 at 3:34am
Hello, could you help me choose motor?
I am currently building trainer (wingspan 1.2m, weight less than 1kg).
I really want slow flyer, what motor and esc would you suggest? (Have 2200 3S LiPo)
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Crash wilson View Drop Down
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Posts: 12 		  Quote Crash wilson Quote  Post ReplyReply Direct Link To This Post Posted: 10/Jan/2012 at 4:06am
I just recieved my1250kv motor from Hobby King.I am not sure that this motor is right for the foamie By-Plane I built. At this time without motor it weighs 1pd 8 0unces.Spec sheet also tells me to use a 50amp Esc.Any body able to tell me if this motor will be O.K for this plane?
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mabaa View Drop Down
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Posts: 315 		  Quote mabaa Quote  Post ReplyReply Direct Link To This Post Posted: 14/Jan/2012 at 5:34am
Originally posted by Kardan

Hello, could you help me choose motor?
I am currently building trainer (wingspan 1.2m, weight less than 1kg).
I really want slow flyer, what motor and esc would you suggest? (Have 2200 3S LiPo)



If you are building a slow Trainer a good rule is 1oo Watt per 1000g for planes.
To find the perfect Motor you can use a Programm like drivecalc, http://www.drivecalc.de/

Drive Calculator is a good tool that helped me a lot and the best, it´s Freeware. English and German Version, English and German Manual.
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Johnnie G View Drop Down
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Posts: 29 		  Quote Johnnie G Quote  Post ReplyReply Direct Link To This Post Posted: 18/Apr/2013 at 1:51am
A few good places to start guys,-
Rule of thumb
Watts per pound of aircraft weight.
50+ will fly,prob not rise off ground take offs and won't set world alight
100+ good sport flying
200+ Aerobatic + 3D
Now how you gonna achieve this?
http://www.ecalc.ch/motorcalc.htm?ecalc&lang=en
Along with
http://personal.osi.hu/fuzesisz/strc_eng/index.htm
Are great places to start.
Good Luck

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