On Sep 3, 2019, at 2:31 AM, Kent Bedford kbedford@alphalink.com.au <flyrotary@lancaironline.net> wrote:

...if someone has an about 450hp four rotor + turbo engine with effective cooling, and resolves the torsional vibration and resonance issues (which will partly be resolved by having four rotors anyway), are there any other foreseeable likely or possible issues that may need to be overcome to successfully operate it with a good 500hp-rated PSRU like a Ballistic or similar?


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