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That's excellent weight. I think I used a 1/4X20 bolt and it weighed a
lot. Heck I think my snubber block weighed that much.
<br>G.
<p>Ed Miller wrote:
<blockquote TYPE=CITE> <font face="Arial"><font size=-1>Center and
"snubber bolt" size is 10-32 stainless steel with aluminum nylon lock nuts
and aluminum washers. The engine hold down bolts are 6-32 steel with steel
washers. The Rotomount in my EMC complete with all hardware, snubber block,
lightly coated with epoxy and painted black was 2.6 ounces. My clayton
foster nose ring with 2 4-40 aluminum bolts and blind nuts and lite
ply mounting ring with lightening holes was just under an ounce. So the
total engine mounting assembly including everything except firewall was
3.5 ounces. Firewall is 1/8" lite ply. The mount is constructed of maple
beams tapered and pared down to hold the engine and the beams are glued
to a 3/8'' plywood disc that has been lightened. The snubber and center
bolts are surrounded by silicone tubing of 2 different outside diameters.</font></font><font face="Arial"><font size=-1>When
I was building my EMC I was looking at every piece that went into it to
ensure I would make the 11lb weight limit, plane ready to fly came out
at 4861 grams or 10 lbs 11 oz. As a side note, I saved 24 grams in hardware
but using either aluminum or stainless steel throughout the plane. One
good thing about the rotomount is you don't get the slight side to side
movement at the back of the engine that you do with the Hyde mount. Yeah,
it takes some work and we seem to be in an era of buy and fly but with
a little time and creativity, it can be done. Bob Pastorello has an excellent
soft mount also.</font></font>
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<div style="FONT: 10pt arial">----- Original Message -----</div>
<div
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><b>From:</b>
<a href="mailto:geobet@gis.net" title="geobet@gis.net">george kennie</a></div>
<div style="FONT: 10pt arial"><b>To:</b> <a href="mailto:discussion@nsrca.org" title="discussion@nsrca.org">discussion@nsrca.org</a></div>
<div style="FONT: 10pt arial"><b>Sent:</b> Friday, January 02, 2004 8:04
PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> Re: TEST- now motor mount
Poll</div>
Ed,
<br>I'm curious as to what size center bolt you employ in your roto-mounts?
I tried making one and the weight came out at a little over 5 ounces. I
abandoned the idea in favor of a simplified version of a Hyde that I can
make at 3&1/2 oz. With the exception of the Sig rails mine costs about
25 cents.
<br>Georgie
<p>Ed Miller wrote:
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</o:shapelayout></xml><![endif]--><font face="Arial"><font size=-1>Hanson
Rotomount and Clayton Foster nose ring get my vote. The Rotomount can be
made very light and it's adjustable for firmness and thrust angle. I've
had 5 planes with it without any problems. Works on the same principle
as the Hyde mount in that it allows the engine to rotate along the crankshaft
centerline. A side benefit is it costs less than 10 bucks to make.Ed M.</font></font>
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<div style="FONT: 10pt arial">----- Original Message -----</div>
<div
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><b>From:</b>
<a href="mailto:natpenton@centurytel.net" title="natpenton@centurytel.net">Nat
Penton</a></div>
<div style="FONT: 10pt arial"><b>To:</b> <a href="mailto:discussion@nsrca.org" title="discussion@nsrca.org">discussion@nsrca.org</a></div>
<div style="FONT: 10pt arial"><b>Sent:</b> Friday, January 02, 2004 5:02
PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> Re: TEST</div>
<font face="Arial"><font size=-1>Bill I believe if we could get people
to convey their likes and dislikes on engine mounts we could all benefit.
(At least we would'nt have to bring up the downwind turn).
Nat</font></font>----- Original Message -----
<blockquote dir=ltr
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<div
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><b>From:</b>
<a href="mailto:flyinbill1@bellsouth.net" title="flyinbill1@bellsouth.net">William
C. Harden</a></div>
<div style="FONT: 10pt arial"><b>To:</b> <a href="mailto:discussion@nsrca.org" title="discussion@nsrca.org">discussion@nsrca.org</a></div>
<div style="FONT: 10pt arial"><b>Sent:</b> Friday, January 02, 2004 3:16
PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> RE: TEST</div>
<div class=Section1>
<div class=MsoNormal><span
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><font face="Arial"><font color="#000080"><font size=-1>Quite
on the list today, isn’t it?</font></font></font><O:P></O:P></span></div>
<div class="MsoNormal"><span
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><O:P></O:P></span></div>
<p class="MsoNormal"><span
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><font face="Arial"><font color="#000080"><font size=-1>Bill</font></font></font><O:P></O:P></span>
<p class="MsoNormal"><span
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><O:P></O:P></span>
<p class="MsoNormal" style="MARGIN-LEFT: 0.5in"><span
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"><font face="Tahoma"><font size=-1>-----Original
Message-----</font></font>
<br><span
style="FONT-WEIGHT: bold"><font face="Tahoma"><font size=-1><b>From:</span></b>
<a href="mailto:discussion-request@nsrca.org">discussion-request@nsrca.org</a>
[<a href="mailto:discussion-request@nsrca.org">mailto:discussion-request@nsrca.org</a>] <span
style="FONT-WEIGHT: bold"><b>On
Behalf Of </span></b>Dwayne & Nancy Brown</font></font>
<br><span style="FONT-WEIGHT: bold"><font face="Tahoma"><font size=-1><b>Sent:</span></b>
Friday, January 02, 2004 12:34 PM</font></font>
<br><span style="FONT-WEIGHT: bold"><font face="Tahoma"><font size=-1><b>To:</span></b>
Society of Antieque Modelers; Slow Flight RC; Senior Pattern Association;
Pattern List; Pattern; GSAL</font></font>
<br><span style="FONT-WEIGHT: bold"><font face="Tahoma"><font size=-1><b>Subject:</span></b>
TEST</font></font></span>
<p class="MsoNormal" style="MARGIN-LEFT: 0.5in"><span
style="FONT-SIZE: 12pt"><O:P></O:P></span>
<div class=MsoNormal style="MARGIN-LEFT: 0.5in"><span
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font face="Arial"><font size=-1>TEST</font></font></span><O:P></O:P></div>
<div class=MsoNormal style="MARGIN-LEFT: 0.5in"><span
style="FONT-SIZE: 12pt"><O:P></O:P></span></div>
<div class=MsoNormal style="MARGIN-LEFT: 0.5in"><span
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font face="Arial"><font size=-1>Dwayne</font></font></span><O:P></O:P></div>
</div>
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