From: "Kelly Troyer keltro@gmail.com" <flyrotary@lancaironline.net>
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Date: Wed, 7 Nov 2018 22:33:09 -0600
Message-ID: <CAKEmuZ81R64zw7_vJNyW77c_VUCA0MzwrWyuWtAOKqwRKTeurQ@mail.gmail.com>
Subject: Re: [FlyRotary] cushion drive
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Neil,
  Will your cushion drive be available to us in the US as a retrofit item
for our
RD1 (B or C) redrives ??

Kelly Troyer

On Tue, Nov 6, 2018 at 11:16 PM Neil Unger 12348ung@gmail.com <
flyrotary@lancaironline.net> wrote:

> Charlie,  Photo attached,.  Should the rubber fail then the inner drive
> block will simply lock up on the outer square giving metal to metal
> which should last quite some time (hours) before wearing either away.
> The rubber is "engine mount" rubber so will only deteriorate slowly and
> not just explode and disappear completely. To test for wear you simply
> rock the prop and any more than 1 inch movement would suggest a problem
> as in deterioration in the rubber.  I can only get a half inch movement
> which is in the gear drive train.  The rubber can be re-vulcanised if it
> is ever necessary.  I have now in excess of 50 hours with the rubber
> insert for no visible wear..
>
> Neil Unger.
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:
> http://mail.lancaironline.net:81/lists/flyrotary/List.html
>

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<div dir=3D"ltr">Neil,<div>=C2=A0 Will your cushion drive be available to u=
s in the US as a retrofit item for our</div><div>RD1 (B or C) redrives ??</=
div><div><br></div><div>Kelly Troyer</div><br><div class=3D"gmail_quote"><d=
iv dir=3D"ltr">On Tue, Nov 6, 2018 at 11:16 PM Neil Unger <a href=3D"mailto=
:12348ung@gmail.com">12348ung@gmail.com</a> &lt;<a href=3D"mailto:flyrotary=
@lancaironline.net">flyrotary@lancaironline.net</a>&gt; wrote:<br></div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex">Charlie,=C2=A0 Photo attached,.=C2=A0 Should th=
e rubber fail then the inner drive <br>
block will simply lock up on the outer square giving metal to metal <br>
which should last quite some time (hours) before wearing either away.=C2=A0=
 <br>
The rubber is &quot;engine mount&quot; rubber so will only deteriorate slow=
ly and <br>
not just explode and disappear completely. To test for wear you simply <br>
rock the prop and any more than 1 inch movement would suggest a problem <br=
>
as in deterioration in the rubber.=C2=A0 I can only get a half inch movemen=
t <br>
which is in the gear drive train.=C2=A0 The rubber can be re-vulcanised if =
it <br>
is ever necessary.=C2=A0 I have now in excess of 50 hours with the rubber <=
br>
insert for no visible wear..<br>
<br>
Neil Unger.<br>
<br>
--<br>
Homepage:=C2=A0 <a href=3D"http://www.flyrotary.com/" rel=3D"noreferrer" ta=
rget=3D"_blank">http://www.flyrotary.com/</a><br>
Archive and UnSub:=C2=A0 =C2=A0<a href=3D"http://mail.lancaironline.net:81/=
lists/flyrotary/List.html" rel=3D"noreferrer" target=3D"_blank">http://mail=
.lancaironline.net:81/lists/flyrotary/List.html</a><br>
</blockquote></div><br clear=3D"all"><div><br></div><br></div>

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