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  Item found in the following categories;
> Electric Motors > TURNIGY
> Electric Motors > TURNIGY RotoMax
> Electric Motors > Outrunners by size > Above 50mm


Turnigy RotoMax 150cc Size Brushless Outrunner Motor

Turnigy RotoMax 150cc Size Brushless Outrunner Motor
Turnigy RotoMax 150cc Size Brushless Outrunner Motor

Upgrade your 150cc size gas engine model with the Turnigy RotoMax 150cc Brushless outrunner motor. This motor will provide clean and efficient power for your large scale aircraft without the mess and hassle of fuel.

When combined with a 14s Lipoly battery and a 250Amp ESC the RotoMax motor will supply punchy, responsive power that only an electric setup can provide.

This motor is specifically suited for carbon fiber & wooden propellers and features an IC style 6 bolt hole design. The shaft has also been tapped to suit a 5mm bolt to make fitting a spinner of your choice easy.

Battery: 14 Cell / 51.8V
RPM: 150kv
Max current: 190A
Watts: 9800w
No load current: 51.8V/5.2A
Internal resistance: 0.011 ohm
Weight: 2530g
Diameter of shaft: 10mm
Winding: 8T
Stator Pole: 24
Motor Pole: 20
Stator Diameter: 101
Lamination Tickness: 0.2mm
Suggested ESC: 250A 14S Compatible

PRODUCT ID: 9192000071

Kv (rpm/v) 150
Weight (g) 2530
Max Current (A) 190
Resistance (mh) 0
Max Voltage (V) 52
Power(W) 9800
Shaft A (mm) 10
Length B (mm) 91
Diameter C (mm) 110
Can Length D (mm) 65
Total Length E (mm) 160
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 Customer rated 0 crown   
Total of 95 discussions.
Natalia  1 points - 4/17/2014
Hi everyone!!! Do you know what is the normal work temperature for this motor. I have run this motor for only 1 minute with 160 AMP and 5500 RPM than stoped and it was difinitely hot, about 60 C. DO you have such expirience?
Halford  45 points - 4/8/2014
hmmmm... nice engine, could I replace my vespa 125cc with this one and make an electic scooter :D ?
Rustler8  22 points - 3/27/2014
does anyone have any recommendations for an esc for one of these motors? I really want to build a multirotor with these in the future, but for now I want to see how much it is going to cost.
Reidar  51 points - 3/20/2014
For hanggliders we have with direct drive 26 kg thrust at 168 ampere and 52 volts. Propeller 28x10. Run happily hanggliders on 22 Ah 14s. With reduction belt gear 1:28 and running a prop 52x22 inch the thrust is 40 kg at 138 ampere. I have put a R&D video on youtube that shows this testings. Search on youtube for: E-Help R&D compare direct driven and geared Mossie version. Your setup if u only get 15 kg thrust I would test the voltage during the high ampere. Maybe your battery package drops off voltage. Motor rpm must be over 6800 rpm and voltage well over 50 volts to get the nominal power out of it.
ishady  346 points - 3/20/2014
Strange that I never have even a 20kg of thrust with this motor. Maximum with direct drive prop 3020axi which is very light and 13s, 300amp Jeti esc, only 18kg of thrust within 190Amps so I dunno whats wrong and I been experimenting with different prop setting and 13s to 14s battery. With 2415 turnigy prop and 14s maximum 15kg of thrust. I been doing this experiment for months and with 2 motor and 2 esc. Any suggestion? Thanks all
 ishady 346 points
Seems everyone gettin a more than 20kg of thrust instead of me?
 Reidar 51 points
 Reidar 51 points
Physics lesson: power in electrics is voltage x amperes. On motor shaft same is rpm x torque. Diameter of motor, amperes x turns in windings decide the torque. This defines the motor U/f curve. Voltage as function of frequency. Then the ESC and battery package must match this. Prop size should be biggest diameter that gives tip speed well below speed of sound. And pitch that does not overload the driveline amperes. Guys, this is not cut & try. This is math. How hard can it be ?
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