J-3 Cub 25 ARF

J-3 Cub 25 ARF

E-flite EFL4000 Airplane (Discontinued)

This item is discontinued but parts are still available in the Parts List below.

J-3 Cub 25 ARF

This is the only 25-size Cub with scale ailerons. Quality balsa and light plywood construction make for a sturdy, lightweight airframe that handles incredibly well in most flying situations. The firewall is set up for use with an outrunner motor, such as E-flite’s Power 25, making a perfect power match for the airframe. Optional floats add a new dimension to the scale flying experience, and the one-piece wing allows for easy transportation to and from virtually any flying field, pond or lake.



  • Outstanding scale detail, including the factory-painted fiberglass cowl with molded engine detail
  • Scale aileron design sets the E-flite® J-3 Cub apart from other 25-size electric Cubs on the market
  • E-flite's optional 25-size floats are easy to assemble and attach to the J-3 Cub, and offer thrilling performance during water taxi and takeoff
  • Built-in float mounts
  • Removable one-piece wing for fast transition to the flying field
  • Factory-painted landing gear with authentic Cub wheel caps
  • Quality balsa and light plywood construction, and genuine UltraCote® covering
  • Outrunner-ready firewall—perfect match for E-flite’s Power 25 Outrunner, 870Kv
  • Flies great with Li-Po (THP42003S2PPL) or Ni-MH (EFLB4010) packs

You Will Need

To fly this plane, you will need:

Radio System: 4 channels or more

Motor: Power 25 Outrunner

ESC: 40A Pro Brushless

Battery: 3-cell 3200mAh Li-Po

Servos: 4 JR SPORT™ MN-48 (JSP20040)


Wingspan: 62 in (1575mm)
Overall Length: 35.5 in (900mm)
Flying Weight: 4.0–4.25 lb (1.8–1.9 kg) with Ni-MH battery pack
Motor Size: Power 25 Brushless Outrunner (not included)
Radio: 4 channels minimum
Servos: Required: 4 mini servos (not included)
Prop Size: 12 x 6E
Wing Area: 550 sq in (35.5 sq dm)
Speed Control: 40A Brushless
Recommended Battery: 3-cell 3200mAh Li-Po (not included)
Hardware Included: Y
Retracts: N
Trim Scheme Colors: UltraCote® Cub Yellow (U884) & Black (U874)
Flaps: N
Approximate Flying Duration: 8–10 minutes on Ni-MH and 15–18 minutes on Li-Po
CG (center of gravity): 2-5/8 in (66mm) from leading edge
Control Throw (Ailerons): 3/4 in Up/Down High Rates or 1/2 in Up/Down Low Rates
Control Throw (Elevator): 5/8 in Up/Down High Rates or 3/8 in Up/Down Low Rates
Control Throw (Rudder): 1-3/8 in Left/Right High Rates or 1 in Left/Right Low Rates

J-3 Cub 25 ARF - Reviews

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J3 Cub on floats






Excellent plane. I Love it. Easy take offs and landings. Great visibility. Easy to build and flies to scale.

Float Man - WA
What type of hobbyist are you?
How often do you use this product?
Several times a month
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How long have you been participating in this hobby?
1-3 years
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