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Motor Esc

Posted on | September 16, 2008 | 3 Comments

RC Model 4890 KV Brushless Motor & 35A ESC ail li RC Model 4890 KV Brushless Motor & 35A ESC ail li Paypal 0 Bid US $33.99 19m
KV1000 A22-20L Outrunner Brushless motor & 35A ESC KV1000 A22-20L Outrunner Brushless motor & 35A ESC Paypal 0 Bid US $19.99 20m
RC Model 3900 KV Brushless Motor & 35A ESC Heat Sink RC Model 3900 KV Brushless Motor & 35A ESC Heat Sink Paypal 0 Bid US $32.99 21m
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60A Brushless Motor Speed Controller RC ESC Parts 60A Brushless Motor Speed Controller RC ESC Parts Paypal 0 Bid US $8.99 4h 15m
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C4250 KV600 Aeolian Brushless Motor + ESC Sky Wing 80A Free Shipping C4250 KV600 Aeolian Brushless Motor + ESC Sky Wing 80A Free Shipping Paypal 22 Bids US $30.00 16h 47m
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80A MY Brushless Motor Speed Controller RC ESC Parts 80A MY Brushless Motor Speed Controller RC ESC Parts Paypal 0 Bid US $9.99 18h 25m
Aeolian 35A-SW Motor Brushless ESC BEC for Helicopter Free Shipping Aeolian 35A-SW Motor Brushless ESC BEC for Helicopter Free Shipping Paypal 9 Bids US $9.00 1d 4h 12m
brushless Outrunner motor C2826 KV1350 30A ESC Airplane Free Shipping brushless Outrunner motor C2826 KV1350 30A ESC Airplane Free Shipping Paypal 5 Bids US $12.50 1d 6h 12m
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Motor Esc
Motor Esc
Question about the R/C brushless motor?


I know that the motor has KV and the maximum A

for ex: I have one :
D2830-1300kv

-Rpm(Kv): 1300 Rpm/V
-Max Currect: 28A
-Max Eff: 98%
-Total Length: 50mm (Motor and Shaft)
-Motor Body Diameter: 27.9mm
-Shaft Diameter: 2.96mm(Front)
-Shaft Length: 18.6mm
-Recommended Input Voltage: 6 - 18 Volt

However,

there's another also is 1300kv

300XT Brushless Motor 1300 RPM

Battery Pack 2-3 Lithium polymer cells
Current 4 Amps continuous
KV 1300 rpm per Volt
Prop (direct drive) 7?x 4?to 8?x 6?br> Body Diameter 25.6mm.
Body Length 17.7mm.
Weight 26g
Shaft 3.0mm
SMC-M-APMBL301

both of them are 1300kv

however, how I know which one is more powerful

If I give the same ESC and same battery, which one is more powerful?

Can I read the power from other info: for ex: "D2830"

Power out is torque * speed or
Power in is voltage * current

You can figure the speed from the voltage of your planned battery pack, but not the current. You need the motor impedance at the speed to determine the current, or you can measure it.

Measuring the torque is also difficult.

Bottom line, if you can't find the power curves from the manufacturer, you'll have to measure the current to determine which has more power.

I am very impressed with the claimed 98% efficiency though; others claim like 80% efficiency.

BTW, D2830 is the body diameter x length without shaft.

ARPRO Radio Control RC ESC Brushless Motor Super fast Boat



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Parrot Ar Drone Brushless High RPM Motor w/ ESC (over 15,000 RPM) Parrot Ar Drone Brushless High RPM Motor w/ ESC (over 15,000 RPM) Paypal US $49.95 2h 45m
RC R/C Radio Control Airplane ELEGANT Bi Plane Electric Foam Techone + Motor ESC RC R/C Radio Control Airplane ELEGANT Bi Plane Electric Foam Techone + Motor ESC Paypal 0 Bid US $84.99 12h 2m
Sky-Aeolian 50A Brushless Motor ESC for Plane Model Imput Volt:5.5-22V 3A BEC Sky-Aeolian 50A Brushless Motor ESC for Plane Model Imput Volt:5.5-22V 3A BEC Paypal 10 Bids US $12.00 20h 47m
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104 104" 1/4 PIPER J-3 CUB ARF Kit B5065 MOTOR + 80A-HV ESC Paypal US $480.00 18d 10h 36m
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88 88" 1/4 Clipped Wing Cub + B5065 MOTOR + 80A-HV ESC Paypal US $480.00 16d 15h 5m
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Comments

3 Responses to “Motor Esc”

  1. Diva48234
    January 8th, 2011 @ 2:02 pm

    Very impressive pics of the motor love! She's lookin nice!!

  2. i ♥ winners
    May 2nd, 2011 @ 5:01 am

    i think my resistance to the idea of direct war is partly the interweaving, but also things like the top item at
    Toyota Motor Corp. is striving to develop a new type of electric motor to escape a simmering trade conflict involving China’s grip on a rare mineral.… “The technology that would allow us not to use the magnets and yet to make a smaller size, high-performance motor will come soon,” said Takeshi Uchiyamada, Toyota’s global chief engineer.

    we didn't have that kind of escape hatch in the 1930s. in fact, there's a whole galaxy of pollyannaism open to the mind that can see the legitly scalable green tech as a backup plan to brown scarcity contests. in fact you can draw a line at that very war! on the industrial world's attitudes toward recycling. as a national security issue.

    ok let's pretend i wrote a bunch more shit along that line.

    so yes we were talking about cash crops of various kinds and FIRE as rabid hyperactive industrial ag, refusing to take “slow” for an answer, because huge wealth grows from titanic loans which require planetary-scale collateral. NOW NOW NOW FUCK YOU.

    oh look i showed my cards.

  3. Richo
    July 1st, 2011 @ 11:39 pm

    Might also make it easier for aftermarket tuners as well, they just have to do a dump pipe style exhaust same as they would with a turbo system.