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Date: Sun, 3 Jul 2011 13:08:04 -0500
Message-ID: <CAH_WSmpJ4LfEO4D5dqt8p=DyHG0LWEH-FM1k0DNj=aUp+e96-w@mail.gmail.com>
Subject: Re: [FlyRotary] Re: 20B Rebuild
From: Thomas Mann <thomasmann51@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Yeah .... was expecting that but it;s good to have the exact specs (threads=
,
etc.)
Kind of like the 'dent puller' they have in body shops.

Crazy pricing for a once use tools.

Thanks.

On Sun, Jul 3, 2011 at 12:59 PM, Bob Darrah <rdarrah@austin.rr.com> wrote:

>
>  Thomas,
>
>  Be sure you have the means to separate the two parts of the eccentric
> shaft before you crack the case.  It is a simple tool that the dealer wan=
ted
> $800 for.  I made one from parts in my scrap box in about 15 minutes.  It
> consists of a threaded rod with nut, and one end threaded to fit the hole=
 in
> the shaft.  18 mm, don=92t remember the pitch, but it is the same as the =
O2
> sensor.  and a heavy chunk of metal with a loose fit hole that the rod go=
es
> threw it and reaches beyond the end of the shaft.
>
>  Of course you may know all this already.  Good luck!
>
>  Bob Darrah
>
>   *From:* Thomas Mann <thomasmann51@gmail.com>
> *Sent:* Saturday, July 02, 2011 1:44 PM
> *To:* Rotary motors in aircraft <flyrotary@lancaironline.net>
> *Subject:* [FlyRotary] 20B Rebuild
>
> A little prep work before I start my rebuild.........
> Is there any machine work that needs to be done to the eccentric shaft
> (such as would be done with a crankshaft?)
>
> How do I know that I am replacing the rotor in the correct position.
>
> I won't crack the case open until this fall but these are just the naggin=
g
> questions I have.
>
> T Mann
>

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Yeah .... was expecting that but it;s good to have the exact specs (threads=
, etc.)<div>Kind of like the &#39;dent puller&#39; they have in body shops.=
</div><div><br></div><div>Crazy pricing for a once use tools.</div><div>
<br></div><div>Thanks.<br><br><div class=3D"gmail_quote">On Sun, Jul 3, 201=
1 at 12:59 PM, Bob Darrah <span dir=3D"ltr">&lt;<a href=3D"mailto:rdarrah@a=
ustin.rr.com">rdarrah@austin.rr.com</a>&gt;</span> wrote:<br><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;p=
adding-left:1ex;">

<div dir=3D"ltr">
<div dir=3D"ltr">
<div style=3D"font-family:&#39;Calibri&#39;;color:#000000;font-size:12pt">
<div>=A0</div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">Th=
omas,</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">=
=A0</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">Be=
=20
sure you have the means to separate the two parts of the eccentric shaft be=
fore=20
you crack the case.=A0 It is a simple tool that the dealer wanted $800=20
for.=A0 I made one from parts in my scrap box in about 15 minutes.=A0 It=20
consists of a threaded rod with nut, and one end threaded to fit the hole i=
n the=20
shaft.=A0 18 mm, don=92t remember the pitch, but it is the same as the O2=
=20
sensor.=A0 and a heavy chunk of metal with a loose fit hole that the rod go=
es=20
threw it and reaches beyond the end of the shaft.</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">=
=A0</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">Of=
=20
course you may know all this already.=A0 Good luck!</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">=
=A0</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">Bo=
b=20
Darrah</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">=
=A0</div></div>
<div>
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none"></=
div>
<div style=3D"font:10pt tahoma">
<div style=3D"background:#f5f5f5"><div class=3D"im">
<div><b>From:</b> <a title=3D"thomasmann51@gmail.com" href=3D"mailto:thomas=
mann51@gmail.com" target=3D"_blank">Thomas Mann</a> </div>
<div><b>Sent:</b> Saturday, July 02, 2011 1:44 PM</div>
<div><b>To:</b> <a title=3D"flyrotary@lancaironline.net" href=3D"mailto:fly=
rotary@lancaironline.net" target=3D"_blank">Rotary motors in aircraft</a> <=
/div>
</div><div><b>Subject:</b> [FlyRotary] 20B Rebuild</div></div></div>
<div>=A0</div></div><div class=3D"im">
<div style=3D"font-style:normal;display:inline;font-family:&#39;Calibri&#39=
;;color:#000000;font-size:small;font-weight:normal;text-decoration:none">A=
=20
little prep work before I start my rebuild.........=20
<div>Is there any machine work that needs to be done to the eccentric shaft=
=20
(such as would be done with a crankshaft?)</div>
<div>=A0</div>
<div>How do I know that I am replacing the rotor in the correct position.</=
div>
<div>=A0</div>
<div>I won&#39;t crack the case open until this fall but these are just the=
 nagging=20
questions I have.</div>
<div>=A0</div>
<div>T Mann</div></div></div></div></div></div>
</blockquote></div><br></div>

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