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Message-ID: <3c14c5541003260740vb4f4712r6acc1904a6dfe931@mail.gmail.com>
Subject: Re: [FlyRotary] Re: Adaptor plate rivets
From: Bill Eslick <wgeslick@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Content-Type: multipart/alternative; boundary=0016e6541bd4d7fed80482b524b4

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Have not noticed any streaks after 650 hours, but will take a closer look
when the cowl is off next.

Bill Eslick
13B NA  RD-1

On Fri, Mar 26, 2010 at 3:16 AM, Todd Bartrim <bartrim@gmail.com> wrote:

>
>
> Early drives like Tracy, Ed, Bill Eslick(? havent heard), Todd Bartrim
> (havent heard), Chuck Dunlap (havent heard), Tommy James (havent heard) and
> I (so far) don't seem to have a problem while you and Mark who
> have slightly later versions are having loosening.  (Have we heard from John
> Slade or Steve Brooks and I missed it?)  Any other high-time re-drives that
> I left out?)  - What about Tom Parks? (turbo 20B with Ross Drive).   It's
> possible that power is the main issue (average torque), but it seems to me
> that peak torque and torque variation amplitude are what are going to matter
> most.  You and Mark are going to have lower peak torque than those of us
> with turbo engines, and with 20B's you are are going to have lower torque
> amplitude than even those with n.a. 13B's.  Only your average torque is
> higher.  Seems strange... that is why I am wondering about some sort of
> change to the later mod
> els of the gear drive.  Tracy?
> --
> David Leonard
>

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Have not noticed any streaks after 650 hours, but will take a closer look w=
hen the cowl is off next.<br><br>Bill Eslick<br>13B NA=A0 RD-1<br><br><div =
class=3D"gmail_quote">On Fri, Mar 26, 2010 at 3:16 AM, Todd Bartrim <span d=
ir=3D"ltr">&lt;<a href=3D"mailto:bartrim@gmail.com">bartrim@gmail.com</a>&g=
t;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt 0.8ex; borde=
r-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">


 =20
 =20

<div>
<br>
<br>
Early drives like Tracy, Ed, Bill Eslick(? havent heard), Todd Bartrim (hav=
ent heard), Chuck Dunlap (havent heard), Tommy James (havent heard)=A0and I=
 (so far) don&#39;t seem to have a problem while you and Mark who have=A0sl=
ightly=A0later versions are having loosening.=A0 (Have we heard from John S=
lade=A0or Steve Brooks and=A0I missed it?)=A0 Any other high-time re-drives=
 that I left out?)=A0 - What about Tom Parks? (turbo 20B with Ross Drive).
=A0
It&#39;s possible that power is the main issue (average torque), but it see=
ms to me that peak torque and torque variation amplitude are what are going=
 to matter most.=A0 You and Mark are going to have lower peak torque than t=
hose of us with turbo engines, and with 20B&#39;s you are are going to have=
 lower torque amplitude than even those with n.a. 13B&#39;s.=A0 Only your a=
verage torque is higher.=A0 Seems strange... that is why I am wondering abo=
ut some sort of change to the later mod
<br>
els of the gear drive.=A0 Tracy?<br>
-- <br>
David Leonard<br></div></blockquote></div><br><div style=3D"visibility: hid=
den; display: inline;" id=3D"avg_ls_inline_popup"></div><style type=3D"text=
/css">#avg_ls_inline_popup {  position:absolute;  z-index:9999;  padding: 0=
px 0px;  margin-left: 0px;  margin-top: 0px;  width: 240px;  overflow: hidd=
en;  word-wrap: break-word;  color: black;  font-size: 10px;  text-align: l=
eft;  line-height: 13px;}</style>

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