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Message-ID: <1c23473f0510042158xb2b7475tfa107906165ffee5@mail.gmail.com>
Date: Tue, 4 Oct 2005 21:58:45 -0700
From: David Leonard <wdleonard@gmail.com>
Reply-To: David Leonard <wdleonard@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: counterweights
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Rusty, that would be great if you could weigh at least the front counter
weights, rear would be awesome too. That is really a bunch of data that we
should have as a group.
 Dave

 On 10/4/05, Russell Duffy <13brv3@bellsouth.net> wrote:
>
> To throw a wrench in the works, I was reading about the subject on the
> RX-7 forum, and one guy claims that has weighed the counter weights and
> finds that all engines from 86-95 have the same counter weights!! But I w=
ant
> to believe it because it would be easy.
>  I know that Mazda has different part numbers but I suppose they could
> still all be the same...
>  Hi Dave,
>  I believe the term is "wishful thinking" :-) They have to be different
> for different weight rotors.
>  I can probably lay my hands on a front counterweight for an 86-88 and
> 89-91, and I MIGHT (big might) have a rear counterweight in the attic for=
 an
> 89-91. I've been meaning to look, since I've wondered about this several
> times. I'll try to check on both of these tomorrow if you don't get a bet=
ter
> answer.
>  And the worst part is that there was a pair of 9.7:1 rotors on e-bay a
> while back and I flaked and forgot to put in a bit... they went for $120 =
for
> the pair, but new ones are $600 each - ouch!
>  Ouch is right. Actually, I've picked up a few 9.7 rotors over the last
> year, but have also scrapped a couple from Ebay. Some moron just threw tw=
o
> rotors in a box, with one layer of bubble wrap, then shipped it. They wer=
e
> beat to hell, and I never got anything out of the guy. If you keep up wit=
h
> the amount you spend for used rotors you can't actually use, then it migh=
t
> not be that much more expensive to buy new :-(
>  Rusty
>



--
Dave Leonard
Turbo Rotary RV-6 N4VY
http://members.aol.com/_ht_a/rotaryroster/index.html
http://members.aol.com/_ht_a/vp4skydoc/index.html

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<div>Rusty, that would be great if you could weigh at least the front count=
er weights, rear would be awesome too.&nbsp; That is really a bunch of data=
 that we should have as a group.</div>
<div>&nbsp;</div>
<div>Dave<br><br>&nbsp;</div>
<div><span class=3D"gmail_quote">On 10/4/05, <b class=3D"gmail_sendername">=
Russell Duffy</b> &lt;<a href=3D"mailto:13brv3@bellsouth.net">13brv3@bellso=
uth.net</a>&gt; wrote:</span>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><span class=3D"q">
<div>To throw a wrench in the works, I was reading about the subject on the=
 RX-7 forum, and one guy claims that has weighed the counter weights and fi=
nds that all engines from 86-95 have the same counter weights!!&nbsp; But I=
 want to believe it because it would be easy.=20
</div>
<div>&nbsp;</div>
<div>I know that Mazda has different part numbers but I suppose they could =
still all be the same...<span><font face=3D"Arial" color=3D"#ff0000">&nbsp;=
</font></span></div>
<div><span></span>&nbsp;</div></span>
<div><span><font face=3D"Arial" color=3D"#ff0000">Hi Dave,</font></span></d=
iv>
<div><span><font face=3D"Arial" color=3D"#ff0000">&nbsp;</font></span></div=
>
<div><span><font face=3D"Arial" color=3D"#ff0000">I believe the term is &qu=
ot;wishful thinking&quot; :-)&nbsp; They have to be different for different=
 weight rotors.&nbsp;&nbsp;</font></span></div>
<div><span></span>&nbsp;</div>
<div><span><font face=3D"Arial" color=3D"#ff0000">I&nbsp;can probably lay m=
y hands on a front counterweight for an 86-88 and 89-91,&nbsp;and I MIGHT (=
big might) have a rear counterweight in the attic for an 89-91.&nbsp; I've =
been meaning to look, since I've wondered about this several times.&nbsp; I=
'll try to check on both of these tomorrow if you don't get a better answer=
.&nbsp;&nbsp;
</font></span></div><span class=3D"q">
<div><span></span>&nbsp;</div>
<div>And the worst part is that there was a pair of 9.7:1 rotors on e-bay a=
 while back and I flaked and forgot to put in a bit...&nbsp; they went for =
$120 for the pair, but new ones are $600 each&nbsp;- ouch!<span><font face=
=3D"Arial" color=3D"#ff0000">
&nbsp;</font></span></div>
<div><span></span>&nbsp;</div></span>
<div><span><font face=3D"Arial" color=3D"#ff0000">Ouch is right.&nbsp; Actu=
ally, I've picked up a few 9.7 rotors over the last year, but have also scr=
apped a couple from Ebay.&nbsp; Some moron just threw two rotors in a box,&=
nbsp;with one layer of bubble&nbsp;wrap, then shipped it.&nbsp; They were b=
eat to hell, and I&nbsp;never got anything out of the guy.&nbsp; If you kee=
p up with the amount you spend for&nbsp;used rotors you can't actually use,=
 then it might not be that much more expensive to buy new :-(
</font>&nbsp;</span></div>
<div><font face=3D"Arial" color=3D"#ff0000"></font>&nbsp;</div>
<div><span><font face=3D"Arial" color=3D"#ff0000">Rusty </font></span></div=
></blockquote></div><br><br clear=3D"all"><br>-- <br>Dave Leonard<br>Turbo =
Rotary RV-6 N4VY<br><a href=3D"http://members.aol.com/_ht_a/rotaryroster/in=
dex.html">
http://members.aol.com/_ht_a/rotaryroster/index.html</a><br><a href=3D"http=
://members.aol.com/_ht_a/vp4skydoc/index.html">http://members.aol.com/_ht_a=
/vp4skydoc/index.html</a>=20

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