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From: "Mark Steitle" <flyrotary@lancaironline.net>
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Date: Sun, 3 Jan 2016 10:34:18 -0600
Message-ID: <CAMLDk+PqwXSG3DpRryzOPCHsTUGXVTb9BnxfYW4taK5miQUgXQ@mail.gmail.com>
Subject: Re: [FlyRotary] 20B Rebuild
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Tom,

I've rebuilt a couple of 3-rotor engines (one is flying).  The real
difference is the 2-piece crankshaft.  You'll need to beg/borrow/steal a
crankshaft splitter before you can dis-assemble the engine.  The front
rotor rides on the short shaft.  You'll need to remove the front rotor
first, then separate the shaft halfs, then you can remove the #3 and
finally #2 rotors.

You'll also need a way to remove the "big nut" from the flywheel end of the
engine and a puller to get it off the crank.  A thick piece of steel,
drilled to match the flywheel bolts worked for me.

Mark

On Wed, Dec 30, 2015 at 2:14 PM, Tom Mann <flyrotary@lancaironline.net>
wrote:

> I have Tracy=E2=80=99s book and Bruce=E2=80=99s video but am wondering if=
 that will be
> enough to get me through a 20B rebuild?
> Am I over-complicating this?
>
> T Mann
>

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<div dir=3D"ltr"><div><div><div>Tom, <br><br></div>I&#39;ve rebuilt a coupl=
e of 3-rotor engines (one is flying).=C2=A0 The real difference is the 2-pi=
ece crankshaft.=C2=A0 You&#39;ll need to beg/borrow/steal a crankshaft spli=
tter before you can dis-assemble the engine.=C2=A0 The front rotor rides on=
 the short shaft.=C2=A0 You&#39;ll need to remove the front rotor first, th=
en separate the shaft halfs, then you can remove the #3 and finally #2 roto=
rs. <br><br></div>You&#39;ll also need a way to remove the &quot;big nut&qu=
ot; from the flywheel end of the engine and a puller to get it off the cran=
k.=C2=A0 A thick piece of steel, drilled to match the flywheel bolts worked=
 for me.=C2=A0 <br><br></div>Mark<br></div><div class=3D"gmail_extra"><br><=
div class=3D"gmail_quote">On Wed, Dec 30, 2015 at 2:14 PM, Tom Mann <span d=
ir=3D"ltr">&lt;<a href=3D"mailto:flyrotary@lancaironline.net" target=3D"_bl=
ank">flyrotary@lancaironline.net</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">
<div dir=3D"ltr">
<div dir=3D"ltr">
<div style=3D"FONT-SIZE:12pt;FONT-FAMILY:&#39;Calibri&#39;;COLOR:#000000">
<div>I have Tracy=E2=80=99s book and Bruce=E2=80=99s video but am wondering=
 if that will be=20
enough to get me through a 20B rebuild?</div>
<div>Am I over-complicating this?</div>
<div>=C2=A0</div>
<div>T Mann</div></div></div></div>
</blockquote></div><br></div>

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