Rotorway Scorpion Subaru helicopter

This is a short test run to make sure the rotor system was operating smoothly at all rpms.

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Rotorway Scorpion Subaru helicopter 2
Full rpm balancing and testing run.

Rotorway Scorpion Subaru Helicopter 3
Early stages of un-tethered testing.

Rotorway scorpion subaru helicopter 4
After about seven years of building and rebuilding I finally get to fly it.

Factory Cog Tensioner installed in Rotorway 162F
This video shows the start sequence of the factory oil pressure actuated cog belt tensioner. Notice the tension applied by the cog wheel until the engine oil pressure builds following engine start. Notice the amount of cog belt movement during the start squence and during running compared to the VP elastomeric cog belt tensioner shown on the other video.