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AlignRC Thunder Power RC
da_man

Key Veteran

Central NC

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I am flying a goblin 700 and testing a few flights hovering with a scorpion 4035 and notice that the motor is about 150 degrees for 5 minutes of flight. I feel that is a bit hot. I acquired an align 700mx motor and would wonder if that would be any better. If not I can probably try a different pinion.

09-25-2016 02:45 PM
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rcflyerheli

Key Veteran

Granbury, TX USA

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IMHO, you are going to see the Align also get hot. I have a G700, and run a 4525 in it. If hovering around and light acro is going to be the most it does, then the 700 should be ok. 150 isn't really too hot. If I were looking for an Align motor for that setup, I would look at the 800MX. I run it on my 12 lb Trex 700 and it has all I need.

And yes, it still gets pretty warm, also.

Goblin 700, Trex 700DFC, Gaui X7, Logo 690SX, Logo 600SX; Trex 470 Trex 500
Amain Team Rep

09-25-2016 04:29 PM
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helifanatix

Veteran

Fountain Valley, CA

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I suggest an Xera 4030-560kv
- inexpensive
- more torque than scorpion 4035 series or 700MX (even 800MX)
- very efficient
- easy on any ESC

FYI
- I had used a 4025-560kv on my Goblin 700
- undersized but did what I needed to do
- came down 112 degrees on an ambient 91 degrees after 6:30 of hard 3D

BTW
I have all the motors mentioned
- Scorpion 4035-4530 series / 700MX / 800MX / Quantum / etc
- this is from years of trail and test flights
- all my motors are Xera or X Nova

- Scott

09-25-2016 07:41 PM
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old nitroman

Senior Heliman

Naples florida

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All of my scorpions run hot, 150 not bad at all

E5s and E7se, Roban bell 222 800 superscale,450 bell 4 bladed head,gobby 380,180cfx

09-26-2016 04:33 AM
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da_man

Key Veteran

Central NC

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Thanks, I guess I will stick to the scorpion for now. Maybe later on I will switch to a bigger or cooler running motor. I would rather see the engine spend it's energy turning the blades than making heat.

09-27-2016 02:47 AM
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planekrazy

Heliman

buxton maine

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I have a scorpion motor on my KSE 700 When i first started flying it this season it was brand new only two short hover flights last fall after the build i had noticed that the motor got hot, I never measured the temp, I had heard that they ran warm so i did not think too much about it.

After 8 or so flights i noticed that it did not get no where as hot is it first did, I do lube the bearings after 8- 10 flights

I am not a 3d pilot and run a head speed of 1700 and get 8 min flight time

Ken

09-27-2016 10:29 AM
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