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Bob,
That's how I see it - it works except for 1300 to 1500 rpm, as the springs are already in tension. Tracy speaks about torsional resonance, rather than torsional vibrations ( to me it's like splitting hairs) and he goes on to talk about the ride being smoother. Smoother ride equates to less transfer of vibrations, to me. Therefore if I wanted to make sure about isolating the gearbox from torsional vibrations/ resonance
large reversals (single rotor as I'm doing) I would not depend upon the springs.
However Ernest is happy to accept the concept for the convenience, which I suspect is the ability to drive the inlet shaft of the PSRU - with off the shelf components.
George (down under)
Bob White wrote:
Isn't Tracy saying the clutch plate works, but it really isn't doing
much and it only helps in extreme situations, not in normal operation?
Bob W.
That's how I read it, with the most important point being "it works". It's a convenient and fairly lightweight method of getting the torque off of the eccentric shaft and into the PSRU's stub shaft. I'm not going to ask any more of it than that. 8*)
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