Paul,


Yes, it's out in paperback on Amazon.com.
I haven't found a professional narrator I like yet though. The book is very
movie-like with many characters who appear in  four time periods, ancient to present.
Interspersed within the story are some flying scenes you would enjoy. The book looks
at time travel from the viewpoint of both metaphysics as well as astrophysics. Time
is a place is the underlying precept. Could be just another hare brained idea though:

Rotary progress:

I'm  making up the Aluminum housing and PSRU mounting plate out of 2024 Al. now. I
found that I will have to have to make a new sun gear combination, splined shaft, to
get a robust connection to the drive spline. I'm still not completely convinced on
the method for a torsional resonator absorber. Mistral used springs and Tracy uses
rubber. I'll have to make a choice, run it and then see what happens. I worry about
the increase cycle rate and durability that springs would encounter. Having the prop
spinning a the same rpm as the rotor could potentially  be a good or bad thing. I'm
beginning to understand there is no one-off solution. Different propeller weights and
materials will resonate at different frequencies.

Cheers


Doug

Springs give no damping.
Experience with two entirely different rotary engine and coupler designs and with
different displacements, both resonating just below  2000 RPM more or less, acting
identically, I conclude there is no solution. Idle the engine below 2000 RPM and
forget about it. After all the prop is turning at 700.

I gave the book to Robin.


Paul Lamar
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