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need to replace a 3548 motor for ASW28 glider |
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laotzu
Platinum (MY) USERID: 747176 Newbie
Joined: 12/Jan/2011 Online Status: Offline Posts: 14 |
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Topic: need to replace a 3548 motor for ASW28 gliderPosted: 13/Jun/2012 at 3:12pm |
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Bought this motor (NTM Prop Drive 35-48 Series 900KV / 815W http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=16231) for the ASW28 Glider.
Setup: 3300MAH 4S, Plush 60A, Folding Prop 12x8, flying weight 2.1kg After many flights, the motor finally burned and melted (in the air). Am looking at a replacement motor (Turnigy D3548/4 1100KV Brushless Outrunner Motor http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=18233) The specs looks suitable for my setup. My question is the 1100kv motor will match the 12x8 prop using 4S lipo? Edited by laotzu - 13/Jun/2012 at 3:14pm |
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RCER88
Platinum (US) USERID: 88368 Hobbyking Addict
Joined: 28/May/2009 Online Status: Offline Posts: 423 |
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Posted: 13/Jun/2012 at 10:23pm |
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A 12x8 prop is way to much on 4s for a 3548. You are drawing way to many amps that is why it melted. My 3548's running on 4s I spin a 10x5 and that puts it high in the amp range of its rating. Mine are several years old now and still going strong. Because I do not max them out.
You need to go to a lower KV motor. Then you can swing a larger prop on 4s without torching the motor. Good luck. |
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laotzu
Platinum (MY) USERID: 747176 Newbie
Joined: 12/Jan/2011 Online Status: Offline Posts: 14 |
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Posted: 13/Jun/2012 at 11:35pm |
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The HK specs says Prop size: 11.1V/13x8 18.5V/12x6
12x6 on 5s. I figure 12x8 should be fine for 4s. very misleading spec on HK. |
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