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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I couldn&#8217;t disagree more.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Two meter rule restricts the size of pattern planes.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Noise rule restricts the impact pattern planes have on neighbors.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Both of these are good rules IMO.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The present &nbsp;weight limit only drives up the cost and
compromises safety.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It&#8217;s one of the reasons people are spending $4,000+ on
airframes and driving away people who might fly pattern but aren&#8217;t
willing/able to due to the cost.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>From the 1930&#8217;s rules, &nbsp;we increased the size of
planes and engines tremendously and kept a weight rule the same as when we flew
.45 &#8211; 61 glow engines.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Then we weigh electric planes with fuel, glow planes empty.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Makes no sense!<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Dave Burton<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b>On Behalf Of </b>Atwood,
Mark<br>
<b>Sent:</b> Thursday, August 19, 2010 9:05 AM<br>
<b>To:</b> General pattern discussion<br>
<b>Subject:</b> Re: [NSRCA-discussion] weight difference<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The challenge here is that rules of this nature, limiting rules,
be it in Pattern, Sailing, Stock car, whatever, are NOT in place to restrict
the average guy, they&#8217;re in place to restrict the innovator.&nbsp; The
guys that push the limit.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>In our sport, the &#8220;average&#8221; guy is stuck pushing the
limit because he&#8217;s trying to copy and follow the innovators.&nbsp; We all
want the triple volumetric 2 meter bird because that&#8217;s what
Chip/Andrew/Quique and company have pushed the boundary&#8217;s too.&nbsp; A
prophecy still makes weight with nooooo problem.&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>So the problem is simple.&nbsp; IF the rules change, it clearly
will help the average guy for a year or two.&nbsp; But then the innovators will
once again push the limits (they wouldn&#8217;t BE limits if no one was
pushing) and we would see new designs that the average guy can&#8217;t easily
keep within the rules.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Bipes have not really caught on because they&#8217;re too
difficult to make weight with.&nbsp; Only the very best builders with very few
limits on funding for all the best and lightest equipment have made them
work.&nbsp; Add a pound and that will very likely change&#8230;to where all the
top guys can make them work, which will then push the average guy to try and
make them work.&nbsp;&nbsp; At the end of the day, all it adds is cost as we
obsolete a whole generation of viable aircraft to the dumpster.&nbsp;&nbsp; <o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>All one needs to do for confirmation on that is to review the
evolution of aircraft that occurred when we removed the LAST
limiter&#8230;engine displacement.&nbsp;&nbsp; Prior to that, weight was only a
secondary limiter because displacement restricted how big of a plane you could
carry around.&nbsp; Once removed, we had 10 years of growing aircraft and
growing engines. &nbsp;All costing more, NOT just because the new stuff was
more expensive&#8230;that&#8217;s just natural inflation and evolution, but
because the lifespan of a model was shorter.&nbsp;&nbsp; Designs changed
SIGNIFICANTLY every year.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Finally, we&#8217;re back to a semi stable development cycle
which has aircraft like the Integral enjoying a 5-6 year run and is still
considered competitive even in FAI (I believe that&#8217;s what Pete Collinson
flew in the finals this year).&nbsp;&nbsp; <o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It&#8217;s not that we&#8217;re not listening&#8230;&nbsp;
We&#8217;re simply trying to avoid mistakes from the past and make as sure as
we can that the rule changes won&#8217;t have disastrous unintended
consequences.&nbsp; <o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The rule change that is currently on the ballot provides a
sizeable variance for those in the lower classes to help accommodate aging
aircraft (which seem to gain weight magically), repaired used aircraft, and
beginning builders&#8230;.without changing the goal (and therefore the
designers goal) of maintaining a 5KG weight limit.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Ok&#8230;off my soapbox.&nbsp; Sorry for the diatribe.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>-Mark <o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>CB for Dist 3&nbsp; <o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Mark Atwood</span></b><span style='font-size:11.0pt;font-family:
"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><b><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'>Paragon Consulting, Inc.</span></b><span style='font-size:9.0pt;
font-family:"Verdana","sans-serif";color:black'>&nbsp;&nbsp;</span><b><span
style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>|</span></b><span
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black'>&nbsp;&nbsp;President</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:black'>5885&nbsp;Landerbrook&nbsp;Drive Suite
130,&nbsp;Cleveland&nbsp;Ohio,&nbsp;44124</span><span style='font-size:10.5pt;
font-family:"Verdana","sans-serif";color:black'>&nbsp;</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:black'>Phone: 440.684.3101 x102&nbsp;&nbsp;</span><b><span
style='font-size:9.0pt;font-family:"Verdana","sans-serif";color:black'>|</span></b><span
style='font-size:8.5pt;font-family:"Verdana","sans-serif";color:black'>&nbsp;&nbsp;Fax:
440.684.3102</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:#1351F3'><a href="mailto:mark.atwood@paragon-inc.com">mark.atwood@paragon-inc.com</a>
&nbsp;</span><b><span style='font-size:9.0pt;font-family:"Verdana","sans-serif";
color:black'>|</span></b><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:black'>&nbsp;&nbsp;</span><span style='font-size:8.5pt;font-family:"Verdana","sans-serif";
color:#1351F3'><a href="http://www.paragon-inc.com/">www.paragon-inc.com</a></span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>

</div>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
nsrca-discussion-bounces@lists.nsrca.org [mailto:nsrca-discussion-bounces@lists.nsrca.org]
<b>On Behalf Of </b>Dr Mike<br>
<b>Sent:</b> Thursday, August 19, 2010 8:42 AM<br>
<b>To:</b> 'General pattern discussion'<br>
<b>Subject:</b> Re: [NSRCA-discussion] weight difference<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Lance,<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Regarding the CB, I agree with you that those generalities are anal
comments.&nbsp; Most of the guys are giving freely of their time and we are
lucky to have them.&nbsp; On the weight issue, the 11 pounds is a bit
restricting.&nbsp; When that rule was made, planes had a 60 inch span, were 48
inches long and weighed 7 lbs.&nbsp; now they are volumetrically double or
triple so the wing loading is the same or lighter.&nbsp; Needs to go up at
least a pound or two.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Mike <o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b>On Behalf Of </b>Patterndude<br>
<b>Sent:</b> Wednesday, August 18, 2010 8:35 PM<br>
<b>To:</b> General pattern discussion<br>
<b>Subject:</b> Re: [NSRCA-discussion] weight difference<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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<p class=MsoNormal>I have a 10 lb e-symphony, there are low 10 lb Evo's and
both these planes are super rigid an tough. There are e planes that I'm afraid
to touch because of fragility and they cost more too. Point is, the consumer
has choices and don't need to fly a dangerous airframe. They choose to.
Remember the glow Impacts that lost their tail in a snap but hundreds were sold
AFTER this fact was known on this list? &nbsp;<o:p></o:p></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>As a CB guy I don't like being generalized against. I ask
for input all the time. Even call people and tell people where my head is at
&nbsp;all the time without preaching.&nbsp;<br>
<br>
Sent from my iPhone<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal style='margin-bottom:12.0pt'><br>
On Aug 18, 2010, at 8:11 PM, Tim Taylor &lt;<a
href="mailto:timsautopro@yahoo.com">timsautopro@yahoo.com</a>&gt; wrote:<o:p></o:p></p>

</div>

<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>

<div>

<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0>
 <tr>
  <td valign=top style='padding:0in 0in 0in 0in'>
  <div>
  <p class=MsoNormal>We can always ignore it, we've done that for years unless
  you're in the top 3-5 at the Nats.<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>&nbsp;<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>In this day and age of&nbsp;instant communication we no
  longer need a Contest Board to decide what we&nbsp;do or not.&nbsp;With all
  due respect to the CB we don't need you guys anymore, we can poll the
  membership directly and set the rules. Far more representative that way.<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>&nbsp;<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>The only time I ever tried to talk to a CB member about a
  rules proposal in person I got the old &quot;I know better than you and I'm
  going to do what I want&nbsp;so we don't need to discuss
  it.&quot;&nbsp;&nbsp;He then refused to even talk about anything at that
  point. Left a very bad taste I tell you.<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>&nbsp;<o:p></o:p></p>
  </div>
  <div>
  <p class=MsoNormal>Tim<br>
  --- On <b>Wed, 8/18/10, Dave Burton <i>&lt;<a href="mailto:burtona@atmc.net">burtona@atmc.net</a>&gt;</i></b>
  wrote:<o:p></o:p></p>
  </div>
  <blockquote style='border:none;border-left:solid #1010FF 1.5pt;padding:0in 0in 0in 3.0pt;
  margin-left:3.0pt;margin-top:5.0pt;margin-bottom:5.0pt'>
  <p class=MsoNormal style='margin-bottom:12.0pt'><br>
  From: Dave Burton &lt;<a href="mailto:burtona@atmc.net">burtona@atmc.net</a>&gt;<br>
  Subject: Re: [NSRCA-discussion] weight difference<br>
  To: &quot;'General pattern discussion'&quot; &lt;<a
  href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>&gt;<br>
  Date: Wednesday, August 18, 2010, 7:53 PM<o:p></o:p></p>
  <div>
  <p class=MsoNormal>The rules proposal to eliminate the weight limit didn't
  make the first CB<br>
  vote. Too bad IMO!<br>
  Dave<br>
  <br>
  -----Original Message-----<br>
  From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><br>
  [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>]
  On Behalf Of Ron Hansen<br>
  Sent: Wednesday, August 18, 2010 7:35 PM<br>
  To: 'General pattern discussion'<br>
  Subject: Re: [NSRCA-discussion] weight difference<br>
  <br>
  I'm concerned that these new electric only planes that are designed to make<br>
  weight won't hold up to the normal wear and tear of an average intermediate<br>
  or advanced pilot or flying off of a rough grass runway.&nbsp; Is this a
  valid<br>
  concern?&nbsp; I think so but maybe I'm over reacting.&nbsp; That is why I'm
  in favor<br>
  of eliminating the weight limit altogether.&nbsp; The proposal to slightly
  raise<br>
  the weight limit won't allow someone to fly an electric Focus II for<br>
  example.<br>
  <br>
  -----Original Message-----<br>
  From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><br>
  [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>]
  On Behalf Of J N Hiller<br>
  Sent: Tuesday, August 17, 2010 2:17 PM<br>
  To: General pattern discussion<br>
  Subject: Re: [NSRCA-discussion] weight difference<br>
  <br>
  I've been following this with interest. E-power is looking better all the<br>
  time and I probably will make the change. I like to build prefer a wood<br>
  airplane. About how much total weight is in a suitable E-power system or<br>
  empty airframe ready for radio etc? Any numbers readily available would be<br>
  helpful in understanding the distribution of weight.<br>
  Thanks<br>
  Jim Hiller<br>
  <br>
  -----Original Message-----<br>
  From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><br>
  [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>]On
  Behalf Of Dave<br>
  Sent: Tuesday, August 17, 2010 9:02 AM<br>
  To: 'General pattern discussion'<br>
  Subject: Re: [NSRCA-discussion] weight difference<br>
  <br>
  And to recall.....that is the Spark with custom wings and stabs, which saves<br>
  substantial weight?&nbsp; There are very few unmodified kits available that
  are<br>
  RTF electric at 10.25.&nbsp; There are some airframe examples for which glow
  /<br>
  electric are similar weight, but that is not the norm - not yet anyway - my<br>
  opinion.<br>
  <br>
  My electric Bravo was 10 lbs even at the 2009 NATs (only 4 oz more than the<br>
  Vivat I flew in 2005) and I would be scared of the structure if it were any<br>
  lighter.&nbsp; Of course it could be lighter still IF I went from 5000 to
  4350<br>
  lipos (~6 oz) and ditched the dual RX batts and Vregs (~2 oz) and used<br>
  lighter ESC and wiring (~ 2 oz).<br>
  <br>
  Point being....even tho 10 lb electrics are possible, and becoming more<br>
  common, it is still pretty easy to build electrics at 11+ lbs without<br>
  careful planning and attention to detail.&nbsp; I think it will become a<br>
  non-issue soon enough.....even in Europe and Asia electrics are coming on<br>
  strong.....so the glow kits will become increasingly scarce.<br>
  <br>
  Regards,<br>
  <br>
  Dave<br>
  <br>
  -----Original Message-----<br>
  From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><br>
  [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>]
  On Behalf Of Atwood, Mark<br>
  Sent: Tuesday, August 17, 2010 10:06 AM<br>
  To: General pattern discussion<br>
  Subject: Re: [NSRCA-discussion] weight difference<br>
  <br>
  I would argue that you can't &quot;disregard&quot; the airframe given that an
  all<br>
  electric airframe is much lighter.<br>
  <br>
  My answer to the question?&nbsp; There is almost no
  difference.&nbsp;&nbsp;&nbsp;I'm flying a<br>
  full 2M plane that weighs 10lbs 4oz with light batteries, 10lbs, 8oz with<br>
  very heavy batteries.&nbsp;&nbsp;&nbsp;My two Black Magics with glow weighed
  10lbs 6oz and<br>
  10lbs 8oz RTF minus CDI (add approx 4oz for that).<br>
  <br>
  I believe we're just now seeing full electric designs that are optimized for<br>
  weight and are coming in light.&nbsp;&nbsp;&nbsp;Prior to that, many of the
  designs still<br>
  had unnecessary structure as a legacy from Glow.&nbsp; I'm pretty sure that<br>
  evolution is not complete yet either.<br>
  <br>
  <br>
  <br>
  Mark Atwood<br>
  Paragon Consulting, Inc.&nbsp; |&nbsp; President<br>
  5885 Landerbrook Drive Suite 130, Cleveland Ohio, 44124<br>
  Phone: 440.684.3101 x102&nbsp; |&nbsp; Fax: 440.684.3102<br>
  <a href="mailto:mark.atwood@paragon-inc.com">mark.atwood@paragon-inc.com</a>&nbsp;
  |&nbsp; <a href="http://www.paragon-inc.com">www.paragon-inc.com</a><br>
  <br>
  <br>
  -----Original Message-----<br>
  From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><br>
  [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>]
  On Behalf Of Ron Van Putte<br>
  Sent: Tuesday, August 17, 2010 9:58 AM<br>
  To: General pattern discussion<br>
  Subject: Re: [NSRCA-discussion] weight difference<br>
  <br>
  Tough question.&nbsp; Will you insist on using 30C lipos, when 20C lipos<br>
  are much lighter?&nbsp; Do you plan on using a particular motor?&nbsp; Motor<br>
  weights vary substantially.&nbsp; Some ESCs are a lot heavier than others.<br>
  <br>
  My guess would be that the weight difference between a complete<br>
  electric-power system and a complete glow-power system, disregarding<br>
  the airplane, would be 10-16 ounces.<br>
  <br>
  Ron<br>
  <br>
  On Aug 17, 2010, at 8:51 AM, Dr Mike wrote:<br>
  <br>
  &gt; Ok so I am going to ask the question again... in your estimation<br>
  &gt; what is the<br>
  &gt; difference in weight between the complete electric power system and<br>
  &gt; the<br>
  &gt; complete glow system-disregarding the airplane?<br>
  &gt; Mike<br>
  &gt;<br>
  &gt; -----Original Message-----<br>
  &gt; From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a><br>
  &gt; [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>]
  On Behalf Of Ron<br>
  &gt; Van Putte<br>
  &gt; Sent: Tuesday, August 17, 2010 8:30 AM<br>
  &gt; To: General pattern discussion<br>
  &gt; Subject: Re: [NSRCA-discussion] weight difference<br>
  &gt;<br>
  &gt; Dave WAS trying to show the difference between glow and electric.<br>
  &gt;<br>
  &gt; Generally, airplanes that started out as glow-powered are heavier<br>
  &gt; than one for electric power, because of the vibration.&nbsp; The<br>
  &gt; difference between the two packages gets complicated.&nbsp; For glow,
  you<br>
  &gt; include spinner, prop, engine, motor mount, ignition system, fuel<br>
  &gt; tubing (and fittings), fuel tank and anything else which is<br>
  &gt; exclusively for glow.&nbsp; For electric, you include spinner, prop,<br>
  &gt; motor, motor mount, ESC, wiring, lipo batteries and anything else<br>
  &gt; which is exclusively for electric.&nbsp; When you add it up, the weight<br>
  &gt; differences can be pretty dramatic.&nbsp; If you don't carefully select<br>
  &gt; all the components, you can easily add an unneeded 4 ounces to an<br>
  &gt; electric-powered airplane.<br>
  &gt;<br>
  &gt; Ron<br>
  &gt;<br>
  &gt; On Aug 17, 2010, at 7:49 AM, Dr Mike wrote:<br>
  &gt;<br>
  &gt;&gt; Thanks Dave, I am referring only to the power packages,not the<br>
  &gt;&gt; planes. Those are what I am looking for, the difference between<br>
  &gt;&gt; glow and electric.<br>
  &gt;&gt;<br>
  &gt;&gt; Mike<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt; From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>
  [mailto:nsrca-<br>
  &gt;&gt; <a href="mailto:discussion-bounces@lists.nsrca.org">discussion-bounces@lists.nsrca.org</a>]
  On Behalf Of Dave<br>
  &gt;&gt; Sent: Tuesday, August 17, 2010 7:41 AM<br>
  &gt;&gt; To: 'General pattern discussion'<br>
  &gt;&gt; Subject: Re: [NSRCA-discussion] weight difference<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt; 12 oz +/-4 oz.<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt; Exact number depends on a bunch of things -<br>
  &gt;&gt;<br>
  &gt;&gt; - on the electric side, which motor, motor mounting, ESC, lipo, RX<br>
  &gt;&gt; power system?<br>
  &gt;&gt;<br>
  &gt;&gt; - was the plane originally built lighter for electric, or with more<br>
  &gt;&gt; beef for glow?<br>
  &gt;&gt;<br>
  &gt;&gt; - CDI / non CDI, type of mount, and what type of ignition and RX<br>
  &gt;&gt; power?<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt; I can tell you that a number of Prestige planes have been built<br>
  &gt;&gt; with various glow and electric power plants.&nbsp; For the most
  part,<br>
  &gt;&gt; the glow airframes are +4 oz to start with (the added beef for glow<br>
  &gt;&gt; vibration).&nbsp; Most of the glow setups ended up at 9.5 lbs, +/- 4<br>
  &gt;&gt; oz.&nbsp; Most of the electrics ended up at 10.25 lbs, +/- 4 oz.<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt; Regards,<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt; Dave<br>
  &gt;&gt;<br>
  &gt;&gt; From: <a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>
  [mailto:nsrca-<br>
  &gt;&gt; <a href="mailto:discussion-bounces@lists.nsrca.org">discussion-bounces@lists.nsrca.org</a>]
  On Behalf Of Dr Mike<br>
  &gt;&gt; Sent: Tuesday, August 17, 2010 8:33 AM<br>
  &gt;&gt; To: 'General pattern discussion'<br>
  &gt;&gt; Subject: [NSRCA-discussion] weight difference<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt;<br>
  &gt;&gt; Could someone tell me the difference in weight between say a YS 1.7<br>
  &gt;&gt; with muffler/tank,etc vs electric?<br>
  &gt;&gt;<br>
  &gt;&gt; Thanks<br>
  &gt;&gt;<br>
  &gt;&gt; Mike<br>
  &gt;&gt;<br>
  &gt;&gt; _______________________________________________<br>
  &gt;&gt; NSRCA-discussion mailing list<br>
  &gt;&gt; <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br>
  &gt;&gt; <a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br>
  &gt;<br>
  &gt; _______________________________________________<br>
  &gt; NSRCA-discussion mailing list<br>
  &gt; <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br>
  &gt; <a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br>
  &gt;<br>
  &gt; _______________________________________________<br>
  &gt; NSRCA-discussion mailing list<br>
  &gt; <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br>
  &gt; <a href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</a><br>
  <br>
  _______________________________________________<br>
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  <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br>
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  <br>
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  NSRCA-discussion mailing list<br>
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  <br>
  _______________________________________________<br>
  NSRCA-discussion mailing list<br>
  <a href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</a><br>
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  </div>
  </blockquote>
  </td>
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