This is the part of the test flight after C inspection and during the video you will see at 1.25 min the maximum speed of 310 km/h.Enjoy it like I was during the work and at this beauty and after that at the flight it self.
Main gearbox is the crucial connection between Astazou engine, frame, the main rotor and tail rotor.This work of tech ingenious art is carrier of the hydro pack as well.There is a RPM sender inside it and you can see rotor rpm-s at the inside scale of tachometer at the instrumental board .At the side of main gearbox is also place for low oil pressure sender.Everything is here at this video.
The torquemeter is an unique instrument but so common at the helicopters.As the word say it measures the torque.Torque between main rotor and engine.It is one of the most important instruments.So here it is at the test board attached . Then checking the zero point with the test device,it seems ok so far. There you see the fixed zero point ad device prior the testing. ...
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