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Thanks everyone and particularly Verne who not only answered all the
questions but described how to make the changes. Great stuff. Believe
I'm all set to complete the Integral now.<br>
John<br>
<br>
Verne Koester wrote:
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<p class="MsoNormal"><span
style="font-size: 16pt; font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">I
added 1/32” to the face of the nose ring on the fuse on the
left side which increased the angle by 1/32”. If you do the math, it
equates to
adding about .5 degrees of right thrust. The way I did it was to block
the fuse
up on my table at .5 degrees positive as compared to the stab which I
used as
my 0 reference line. Then I glued a little bitty square of 1/32” balsa
to the
left side of the nose ring on the face near the outer edge. Then I
applied a
very thick, pasty mixture of cabosil and resin to the entire face of
the nose
ring and pushed a large, steel angle plate up against it. I wiped off
the
excess, and let it cure, using wax paper as a release film between the
angle
plate and resin. Since the fuse was sitting at .5 positive and the
angle plate
was 90 degrees to the table, the end result was that my nose ring now
has .5
down thrust when the fuse is sitting at 0. The little square of 1/32
balsa
canted the angle plate .5 degrees to the right. This all sounds very
heavy, but
the weight gain was actually about 4 grams. You may need to think about
this
for a second, but if your down thrust is at 0 when the fuse is at .5
positive,
then the down thrust will be at -.5 when the fuse is at 0.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 16pt; font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 16pt; font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">Verne<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size: 16pt; font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif";">From:</span></b><span
style="font-size: 10pt; font-family: "Tahoma","sans-serif";">
<a class="moz-txt-link-abbreviated" href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>
[<a class="moz-txt-link-freetext" href="mailto:nsrca-discussion-bounces@lists.nsrca.org">mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b>On Behalf Of </b>Vicente
"Vince" Bortone<br>
<b>Sent:</b> Friday, February 26, 2010 9:30 AM<br>
<b>To:</b> General pattern discussion<br>
<b>Subject:</b> Re: [NSRCA-discussion] Integral Landing gear<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p><span style="font-family: "Arial","sans-serif"; color: black;">Verne,<o:p></o:p></span></p>
<p><span style="font-family: "Arial","sans-serif"; color: black;"> <o:p></o:p></span></p>
<p><span style="font-family: "Arial","sans-serif"; color: black;">Just
curiosity. When you said "add 1/32 right thrust", means to add
to the one is already set at the nose ring? Is 1/32" is at the
tip of the prop?<o:p></o:p></span></p>
<p><span style="font-family: "Arial","sans-serif"; color: black;"> <o:p></o:p></span></p>
<p><span style="font-family: "Arial","sans-serif"; color: black;">Thanks,<br>
<br>
Vicente "Vince" Bortone<br>
<br>
----- Original Message -----<br>
From: "Verne Koester" <a class="moz-txt-link-rfc2396E" href="mailto:verne@twmi.rr.com"><verne@twmi.rr.com></a><br>
To: "General pattern discussion"
<a class="moz-txt-link-rfc2396E" href="mailto:nsrca-discussion@lists.nsrca.org"><nsrca-discussion@lists.nsrca.org></a><br>
Sent: Friday, February 26, 2010 12:28:31 AM GMT -06:00 US/Canada Central<br>
Subject: Re: [NSRCA-discussion] Integral Landing gear<br>
<br>
John,<br>
With the stab at 0, make the wing .5 positive, reduce the down thrust
to .5<br>
down, and ADD 1/32 right thrust. I'm currently finishing my third one
and<br>
got it right on the second one. Now I'm just duplicating it. Actually,
the<br>
first one flew great but needed some mixing. With the settings I just
gave<br>
you, it'll track straight forever on either knife edge with no mix. The<br>
extra right thrust was to eliminate a slight left drift at the top of
tall<br>
verticals. I left the stab at the factory position and called that 0.
Your<br>
wing will actually be slightly negative to that so you'll need to
increase<br>
the incidence to .5. The nose ring has a little over 2 degrees down so<br>
you'll need to remove 1.5 degrees from that. Can't help on the gear, I
used<br>
Bolly F3A Longs. BTW, set the CG at the LE of the wing tube or just a
little<br>
rearward of that, like 1/8" or so. Hope this helps.<br>
<br>
Verne Koester<br>
<br>
-----Original Message-----<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><br>
[<a class="moz-txt-link-freetext" href="mailto:nsrca-discussion-bounces@lists.nsrca.org">mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] On Behalf Of John
Gayer<br>
Sent: Friday, February 26, 2010 12:39 AM<br>
To: NSRCA Mailing List<br>
Subject: [NSRCA-discussion] Integral Landing gear<br>
<br>
<br>
The landing gear legs I received with my Integral weigh 6 ounces and
are <br>
very rigid as well. I noticed that when Jason listed the weights of the
<br>
components on RC Universe that the gear legs were listed at 3.2 ounces <br>
which is a substantial difference.<br>
This will be powered by a YS 170. I haven't checked yet but I intend to
<br>
add adjusters if necessary to achieve stab incidence of 0.0 degrees and
<br>
a wing incidence of +0.5 degrees.<br>
<br>
I have three questions that I would like to resolve before I get any <br>
further along.<br>
<br>
1. Is there a replacement gear that is lighter and in particular more <br>
flexible? Height of the gear should be about 8 inches.<br>
2. Should the downthrust be reduced from the approximately 2 degrees <br>
built into the nose ring to about 0.5 degrees down or ?<br>
3. Should the sidethrust be reduced?<br>
<br>
Would appreciate help from those of you who have already run into these
<br>
problems and found solutions that are working for you.<br>
<br>
Thanks<br>
<br>
<br>
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<br>
<br>
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