<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body ><div>Larry,</div><div>A50-16S is a 6S motor with 365kv.</div><div>Is he really running the motor with 8S ?</div><div>It may spinn too fast even with 15 inch diameter </div><div>http://www.hacker-motor-shop.com/e-vendo.php?shop=hacker_e&SessionId=&a=article&ProdNr=15726736&t=3&c=6681&p=6681</div><div><br></div><div>Above link to hacker shows 16 & 17 inch props on 6S. Most runs the motor with 17 or 18 inch prop on 6S.</div><div><br></div><div>It will be a rocket to start with. I don't know if our electric props can handle more than 8000rpm.</div><div><br></div><div>Check with APC. They know the maximum RPM on E Props.</div><div>My suggestion is to go 6S and run 17 or 18 inch props.</div><div><br></div><div>Ihncheol</div><div><br></div><div><br></div><div><br></div><div><div style="font-size:75%;color:#575757">Sent from my Samsung Galaxy Note® II</div></div><br><br><br>-------- Original message --------<br>From: Larry Diamond <ldiamond@diamondrc.com> <br>Date: 10/18/2013 2:13 PM (GMT-06:00) <br>To: General pattern discussion <nsrca-discussion@lists.nsrca.org> <br>Subject: [NSRCA-discussion] Prop Recommendations??? <br> <br><br><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="RIGHT: auto">Trying to help a new friend that flew pattern many moons ago in the Chicago area. He tracked me down at my home field... He is now a young 67 years young... Very humbling and very cool !!!!!!!</div>
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<div>I'm new to electrics and don't want to give bad info...</div>
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<div style="RIGHT: auto">What is the recommended prop f<var id="yui-ie-cursor"></var>or this set up:</div>
<div> </div>
<div>Airframe - 3D Hobbies Vyper</div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5016">Motor - Hacker 50 16s.</span></div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5017">ESC - CC 100A w/ 20A BEC</span></div>
<div style="BACKGROUND-COLOR: transparent; FONT-STYLE: normal; FONT-FAMILY: 'Times New Roman', 'serif'; COLOR: rgb(0,0,0); FONT-SIZE: 12pt" class="ms__id5018"><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5019">Battery Config - two 4s Lipo in series 5000mAh (29.6V)<var id="yiv2194960573yui-ie-cursor"></var></span></div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5020"></span> </div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5021">I don't know the "C" ratings of his baterries. I'm trying to find out...</span></div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5022"></span> </div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5023">I know nothing about Hacker motors...</span></div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5024"></span> </div>
<div><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5025">Larry D.</span></div>
<div style="RIGHT: auto"><span style="FONT-FAMILY: 'Times New Roman', 'serif'; FONT-SIZE: 12pt" class="ms__id5026">NSCRA 3083</span></div></div></body>