O.S. 105 Engine Testing - Bert Kammerer

My New Goblin RAW Nitro 700 with Os 105 Hz-r Motor Radio controlled Fuel amazing & unbealiveable!!!!

The original T-rex 700 nitro has come back !

O.S. Max 105 HZ-R first start after winter.

Bert Kammerer - Alpine Heli Smackdown 2011 ( #1 flight )

OMPHOBBY M5 Chilly and Sunny Autumn Flight

2010 3DMasters Venlo, The Netherlands - Tareq Alsaadi, U.A.E., Battles the Flags

Bert Kammerer Trex700N ~ Blade Stop Autorotation

Changing Engine Bearings on an OS 105 HZ

Bert Kammerer flying RAW PIUMA

o.s.max 105hz #2

Bert Kammerer - T-Rex 700 testing V-Blades

OS 105HZ R Engine Setup & Run in

Tareq Alsaadi (UAE) with T-Rex700 (Crash), Alpine Heli Smackdown 2009

Nick Maxwell - OS105 15% Nitro and Rail Blades

Как настроить радиоуправляемый вертолет Nitro

TOP 10 INSANE RC JETS OF 2025 IN SWITZERLAND!

Kyle Dahl German Heli Masters Victory Flight

Balancing 101 - Nitro Engine Components

Test heli oxy 5 gt15 hz2

TOP 10 MOST INSANE RC HELICOPTERS OF 2025 🤯