There's an interference problem about 72Mhz JR XP7202 with JR R790 receiver caused the crash. Btw HK 450 is a perfect heli for a reasonable price and it's very stable.
Used Electronics: Hxt900x3 for cyclic servos, HD2216MG for tail, Assan GA410 Gyro, Zippy FlightMax 2200 20C Lipo, CopterX 430XL Bl Motor, CopterX 50A ESC with BEC.
Broken Parts: Flybar, Rotor Head, Control Leveler, Some Links, Tail Servo Rod & Links, Washout Base, Main Blades (not broken, just damaged)
Crash cost to me about $25, but a new kit needs $32 for shipping, so I prefered to buy just the spare parts :)
yepp, I sold that tx, i will buy a new one with 2.4Hz freq. thnx :)
tayfungol 2 years ago
tyi to get spectrum it happen to me too
with my esky 72 MHZ transmitter LOTS of times
stealhty1 2 years ago
no, it happened again several times and I sold my tx, watch my other video which is called Hk450 signal loss :(
tayfungol 2 years ago
It doesn't looks like radio interference... looks more like a finger interference! lol maybe tail drive gear failure! Some HK had this issue, but keep practicing and good luck!
maion2005 2 years ago