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HomeAircraftHelicopterHelicopter Main Discussion › please help id this motor
04-20-2011 09:12 PM  7 years agoPost 1
joey1117

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piqua,ohio

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can someone PLEASE help id this motor it is in a hdx hc 500 and i would like to know the kv to figure the head speed the can is 1.470 or 37.32mm long 1.980 or50.3 in diameter with a .197 or 5mm shaft i know someone must have seen this before . thanks joe

raptor50 v1 os61 raptor50 v1 os 50 futaba 9chp

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04-20-2011 09:37 PM  7 years agoPost 2
Richardmid1

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Leeds, England

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If its in a Trex 500 clone type heli and has a 16T pinion it will be between 1400-1600kv. Im guessing its been used on 5s. Ide just run it but start with lower throttle curves and see what the headspeed comes out like.

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04-20-2011 09:44 PM  7 years agoPost 3
joey1117

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piqua,ohio

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it is an hdx 500 heli running 6s pack the think flys great but out of a 3000 mah battery i get 4 minutes of very slight flight time no 3d the head sounds like it is carrying alot of head speed , the bad thing is i have the 9z with a built in tach but can not figure out how to get it to read the heli blades

raptor50 v1 os61 raptor50 v1 os 50 futaba 9chp

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