TopRC P39 4Ch RTF Yellow Plane Flight Test Review
Quadcopter 101 Quadcopter 101
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 Published On Jul 26, 2023

This is another good looking and ready to fly warbirds style plane. It should be fun for intermediate and above fliers. Fast and maneuverable, it can be flown fully gyro stabilized or without stabilization for manual stunts. If you get into trouble in a stunt, switch back to stabilized mode and the plane will quickly and automatically level itself. Find it here and use coupon BG6d47d0 (ends 8/31/23) https://ban.ggood.vip/1402X

Pros
- Very good looking aircraft in paint scheme and details
- Ready to fly plane with included transmitter. Batteries are included for the transmitter!
- True four channel airplane with throttle, elevator, rudder, and aileron control.
- Constructed of flexible and crash resistant EPP foam.
- Plenty of power from its 1020 brushed motor.
- Comes with two 2 bladed propellers.
- Three selectable flight modes. Beginner mode includes full 6 axis stabilization (3 axis gyro and 3 axis accelerometer). Also includes angle restrictions that prevent the aircraft rolling or pitching over. Intermediate "Midd" mode includes milder 6 axis stabilization, but angle restrictions are still included. Expert mode turns off all stabilization for fully aerobatic manual flying.
- Controller also includes a stunt button that allows the airplane to automatically conduct loops and aileron rolls.
- One key return feature will automatically fly the plane in the opposite direction that it was pointed at takeoff.
- Quick disconnect propeller saver automatically disconnects the propeller in a crash to prevent propeller or motor damage. Propeller can be quickly reattached after the crash to continue flying.
- Very efficient flier. It's 3.7V 400mah battery can provides up to 15 minutes of flight time (I got about 13 minutes).
- Can be flown with multi-protocol transmitters using V761 protocol using new TopRc subprotocol.

Cons
- Brushed motor airplane. Its motor will eventually fail some day. Strongly recommend allowing 15 minutes motor cool down between flights to improve motor longevity.
- New "TopRC" V-761 sub-protocol does not bind with older versions of the OpenTX DIY Multi-Protocol firmware. It also does not bind with other Eachine or Volantex transmitters. You may need to upgrade your multi-protocol transmitter's firmware to be able to bind the TopRC planes.
- The Midd stabilization position does not turn off pitch angle restrictions. Thus you cannot do manual stabilized loops in Midd mode like you can do with the Eachine/Volantex warbirds.
- This plane is fast and maneuverable. However, it can stall and go into a spin that even the stabilization system may have trouble recovering from. As such, it's good to keep up some speed on this plane to lessen the chance of stalling.
- The low telemetry battery warning activated when LVC shut down the plane. This resulted in a stall and a crash. It would be better if the battery warning came on sooner to allow safely returning the aircraft.

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This video along with every video of the Quadcopter 101 channel was produced and edited with VSDC Free Video Editor. You may download this excellent, and no kidding "free" video editor here http://www.videosoftdev.com/free-vide...

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