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HelicopterMain Discussion › T-Rex550DFC Stretched Motor
02-20-2014 10:23 PM  3 years agoPost 1
Ausable

rrVeteran

Montreal, Quebec

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I would like to know what would be the best motor for this heli
KDE 600XF-1175kv or 730MX Brushless Motor (850KV) x or a Hacker 50xl

Thanks

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02-21-2014 02:31 AM  3 years agoPost 2
wc_wickedclown (RIP)

rrProfessor

long beach calif

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id go with the kde

Insha Allah made in america

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02-21-2014 03:42 AM  3 years agoPost 3
Funky Trex

rrElite Veteran

Westerville, OH - USA

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What size blades are you trying to run. I use the kde 1175 with 556/96 blades on a Trex 550 and it works very well. With this size blades, I regularly have amp spikes in the 150-170 amp range (2500rpms, 12/12 pitch). I wouldn't run any longer blades with this combo unless you are strictly sport flying. I am close to the edge of what my ESC and packs are comfortable running. I also use a dedicated 100 amp ESC and seperate power supply for my RX/servos.

I recently picked up the new Hacker v3 although I am going to be trying it in a Synergy e5. Nice looking motor and great price, I definately wouldn't count it out.

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02-21-2014 09:04 AM  3 years agoPost 4
Ausable

rrVeteran

Montreal, Quebec

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I run 550 Edge blades and just regular flight for now .No 3D at the moment.
Thanks

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02-21-2014 09:34 AM  3 years agoPost 5
Funky Trex

rrElite Veteran

Westerville, OH - USA

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I would probably stick with a motor between 1100 & 1200kv with the 112 tooth maingear. The new Align 730mx is supposed to be a torque monster, however, you will have more gearing options with the other motors using a higher kv. With an 1100-1200kv motor, the available pinions should allow you to gear your heli for better flight times now and have room to gear it up for crazy power later (if that is your goal).

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HelicopterMain Discussion › T-Rex550DFC Stretched Motor
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