RocHobby P-39 Cobra II Racer PNP

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FMS has modified its design of the Bell P-39 into the Thompson Trophy racer, Cobra II. The 1946 race was won by Alvin "Tex" Johnston flying Cobra II. Being able to achieve a true airspeed of 420 MPH at sea level, it was unbeatable that day.

FMS has replicated Cobra II in its 980mm Series for those that want a truly different high speed aircraft to fly. If you love the warbird look and enjoy the excitement of heart-pounding speeds, this aircraft will satisfy both of your desires! With the stock 4 bladed prop, 3648 brushless Outrunner motor, 4 cell LiPo battery and 70A ESC, the Cobra II can obtain speeds of up to 100mph+.

Key Features:

  • Accurate livery in the Thompson Trophy Racer Cobra II
  • Powerful Brushless 3648-KV770 motor combined with a heavy-duty 70A ESC
  • Digital metal gear servos for maximum durability
  • Rugged electronic retractable landing gear
  • Flaps for easier landings
  • Super scale appearance including hand painted pilot, authentic graphics, and four bladed prop
  • Durable EPO foam with reinforced one-piece wing


  • Wingspan: 38.6 in (980mm)
  • Overall Length: 36 in (912mm)
  • Flying Weight: 48 oz (1360g)
  • Motor Size: 3648-KV770
  • Radio: 6 Channel
  • Servos: 2 x 9g slow digital , 5 x 9g metal digital
  • CG (center of gravity): 2.8-3 in (70-75mm) from leading edge
  • Prop Size: 10.5 x 8
  • Speed Control : 70A
  • Recommended Battery: 14.8V 2200-2600mAh (Required)
  • Aileron: Yes
  • Elevator: Yes
  • Rudder: Yes
  • Throttle: Yes
  • Flaps: Yes
  • Retracts: Yes
  • Approx. Flying Duration: 5 minutes
  • Approx. Assembly Time: Less than 1 Hour
  • Charger: Required

This product was added to our catalog on May 4, 2017