<div><div dir="auto">Can’t possibly be a K impulse if 54mm 3 grains unless the grains are 6 inches long. </div></div><div dir="auto"><br></div><div dir="auto">A certified L2 person could fly a motor made by someone else. Unless the motor maker is L2 THEY can’t fly at a TRA launch. NAR does not permit research motors (home made motors). At any of their launches. Only other way is an independent club like MDRA with their own insurance. </div><div dir="auto"><br></div><div dir="auto">Bob</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jun 10, 2019 at 1:30 PM Weeks, Thomas <<a href="mailto:t.weeks@vt.edu">t.weeks@vt.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p style="margin-top:0;margin-bottom:0">Hey guys..</p>
<p style="margin-top:0;margin-bottom:0">If this is the same class that Ben and Elaine did for us before, then it's a three grain 54mm (K550). I know bc I bough a Loki case to go with mine as I had never done 54mm before.</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">Elaine said that participants must be TRA members to participate, but do not need to be certified to participate (or make the grains) but you must be L2 certified to FLY it (at a TRA event). The only way you could get
away with flying it otherwise is at an unsanctioned (amateur) launch.. right Bob? (which we don't do in the NRV)</p>
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T.Weeks</div>
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<div id="m_-7033516513072890286divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> <a href="mailto:nrvr-members-bounces@server2.nrvr.org" target="_blank">nrvr-members-bounces@server2.nrvr.org</a> <<a href="mailto:nrvr-members-bounces@server2.nrvr.org" target="_blank">nrvr-members-bounces@server2.nrvr.org</a>> on behalf of Bob Schoner <<a href="mailto:bob.schoner@gmail.com" target="_blank">bob.schoner@gmail.com</a>><br>
<b>Sent:</b> Monday, June 10, 2019 11:09 AM<br>
<b>To:</b> NRV Rocketry Members</font></div></div></div></div><div dir="ltr"><div id="m_-7033516513072890286divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif" dir="ltr"><div style="color:rgb(0,0,0)"><div id="m_-7033516513072890286divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><br>
<b>Subject:</b> Re: [NRVR-Members] Head Count Check for Those Interested in a Hands on, All-Day, APC Motor Mixing Workshop, Fri July 19th</font>
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<div dir="auto">I’m 90% sure the motor is J impulse, still requires an L2 cert to fly. If they are getting K impulse out of a 4 grain 38 mm motor then they need to share the secret with NASA!</div>
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<div dir="auto"><br>
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<div dir="auto">The casting and liner tubes fit Loki and I think AMW hardware which is not provided. </div>
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<div dir="auto">We are now calling all our launches research. Like Pat said it means greater distance to pads and the waiver is reduced to 80% of the commercial waiver. That still gives 8,000 agl for flying. </div>
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<div dir="auto">Bob</div>
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<div dir="ltr" class="m_-7033516513072890286x_gmail_attr">On Mon, Jun 10, 2019 at 10:47 AM Pat Artis <<a href="mailto:pat.artis@gmail.com" id="m_-7033516513072890286LPlnk515055" class="m_-7033516513072890286OWAAutoLink" target="_blank">pat.artis@gmail.com</a>> wrote:<br>
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<div dir="ltr">Bill:
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<div>There are two answers to that question. The simplest is that you will make a 4-grain 38mm during the class which is a K, so to fly it, you would need to be level 2. The class gives you the hardware to make 38mm grains. However, if you buy hardware to make
other sizes, you can make anything from a 29 to 98 mm.... level 1 through level 3.</div>
<div><br>
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<div>To fly them, we have to declare that a launch is experimental. Other than greater set back distances, it looks the same.</div>
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<div>Others, correct me if I am wrong!</div>
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<div>Pat</div>
<div><br>
</div>
<div>it class they give you the following hardware:</div>
<div><br>
</div>
<div>1) four sets of 38mm 3-d printed tops and bottoms for grains</div>
<div>2) one 3-d printed base plate, a mandrel, and screw to assemble it</div>
<div><br>
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<div>and consumables</div>
<div><br>
</div>
<div>3) for 38mm paper tube sections about 2 inches long</div>
<div>4) a liner that fits in a 38mm case which the grains sections in paper tubes slide in to</div>
<div><br>
</div>
<div>Finally, you need to buy an experimental motor case to hold the grains</div>
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<div dir="ltr" class="m_-7033516513072890286x_gmail_attr">On Mon, Jun 10, 2019 at 10:33 AM William Noble <<a href="mailto:wnoble@nr.edu" id="m_-7033516513072890286LPlnk854855" class="m_-7033516513072890286OWAAutoLink" target="_blank">wnoble@nr.edu</a>> wrote:<br>
</div>
<blockquote class="m_-7033516513072890286x_gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
T. Weeks,</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
What certification level do you need to be to participate in this class?</div>
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Bill Noble</p>
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Summer 2019 Schedule <span style="font-size:12pt">(class and class prep)</span><span style="font-size:12pt">:</span></p>
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