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Date: Tue, 1 Dec 2009 15:22:50 -0500
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Message-ID: <1b4b137c0912011222s7e50d741w4ab2ecf8f42f0950@mail.gmail.com>
Subject: Re: [FlyRotary] Re: Next generation re-drive
From: Tracy Crook <tracy@rotaryaviation.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Content-Type: multipart/alternative; boundary=00c09f99e603a920d80479b085d3

--00c09f99e603a920d80479b085d3
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The gap between invention and a practical and affordable product is wider
than most think.  The electric car was invented more than 100 years ago and
is only now getting to the point of being practical.  Lets hope this one
doesn't take that long.

BTW, there have been several prop strikes using RWS gear drives.  The shear
pin at the sun gear spares any serious damage to the drive or the engine.

Tracy

On Tue, Dec 1, 2009 at 1:51 PM, Dwayne Parkinson
<dwayneparkinson@yahoo.com>wrote:

> I'm curious why someone like Tracy wouldn't be all over this, if for no
> other reason than self preservation in the PSRU market.  If a working PSRU
> came to market based on this technology and it was remotely price
> competitive, it would virtually eliminate all other PSRU's on the market.
>  No gears, no oil, no belts, probably lighter than anything out there,
> smaller than anything out there and if you get a prop strike the magnetic
> gears spin free so you wind up replacing just the prop instead of the prop,
> the PSRU and some expensive engine parts.
>
> What am I missing?  What's the reason not to jump on this opportunity?
>
> Just curious.
>
>
>
>
>
>
>
>
>

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The gap between invention and a practical and affordable product is wider t=
han most think.=A0 The electric car was invented more than 100 years ago an=
d is only now getting to the point of being practical.=A0 Lets hope this on=
e doesn&#39;t take that long.<br>
<br>BTW, there have been several prop strikes using RWS gear drives.=A0 The=
 shear pin at the sun gear spares any serious damage to the drive or the en=
gine.<br><br>Tracy<br><br><div class=3D"gmail_quote">On Tue, Dec 1, 2009 at=
 1:51 PM, Dwayne Parkinson <span dir=3D"ltr">&lt;<a href=3D"mailto:dwaynepa=
rkinson@yahoo.com">dwayneparkinson@yahoo.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div style=
=3D"font-family: arial,helvetica,sans-serif; font-size: 10pt;"><div>I&#39;m=
 curious why someone like Tracy wouldn&#39;t be all over this, if for no ot=
her reason than self preservation in the PSRU market. =A0If a working PSRU =
came to market based on this technology and it was remotely price competiti=
ve, it would virtually eliminate all other PSRU&#39;s on the market. =A0No =
gears, no oil, no belts, probably lighter than anything out there, smaller =
than anything out there and if you get a prop strike the magnetic gears spi=
n free so you wind up replacing just the prop instead of the prop, the PSRU=
 and some expensive engine parts. =A0</div>
<div><br></div><div>What am I missing? =A0What&#39;s the reason not to jump=
 on this opportunity? =A0</div><div><br></div><div>Just
 curious.</div><div><br></div><div><br></div><div><br></div><div><br></div>=
<div><br></div><div><br></div><div style=3D"font-family: arial,helvetica,sa=
ns-serif; font-size: 10pt;"><div style=3D"font-family: arial,helvetica,sans=
-serif; font-size: 13px;">
<br></div></div><div></div>



</div><br>

      </div></blockquote></div><br>

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