Lama G4 Co-axial Helicopter

 

Manufacturer: Robbe http://www.robbe.de/
Rotor diameter: 340 mm
Weight: 188 g
Motor: 2x FK-130PH-3732
Control functions: Pitch, Roll, Yaw, Throttle
Year of construction:  RTF model 2009

 

To bridge the flight poor winter time I bought a co-axial helikopter Lama G4. Like this I was able to fly if the weather is not suitable and additionally sniff some helicopter air.

 

Co-axial helikopter Lama

 

This time is over now. The mechanical wear of the motors prevented the control of the yaw axis. With a two cell battery this problem was solved but the speed controllers were totally overloaded. After a few seconds the MOSFET transistors were unsoldered.