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700 Class Electric Helicopters 700 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 09-10-2014, 02:04 PM   #21 (permalink)
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I have now kosmik 200 kontronik and 4530 scorpion on my 700 v2. Flies like a dream. Plenty of power for my rookie style. I fly with 1600-2000 headspeed. The motor is near elev servo but it fits very nice. I have 800mm sab blades waiting but no stretch kit. Soon.

I have done same as jactor.
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Old 06-01-2015, 06:04 PM   #22 (permalink)
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Quote:
Originally Posted by ddj74 View Post
Requires a 160 amp esc or comparable. You can go to a 800mx without changing the esc but not the 850mx.

Can you explain why you think it needs a 160 ?
Do you have some flying record to see how much it drain ?
On the Box of the Motor it's written compatible with 120 and 160.

Thanks
Fred
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Old 06-01-2015, 07:20 PM   #23 (permalink)
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It also needs diff gearing as well just an FYI

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Old 06-01-2015, 08:08 PM   #24 (permalink)
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For the gearing , I understand . no problem . But when i look to the tech specs, they are identical .
It's certainly safer to run a 160 but I really think the 120 is plenty .
That's why i'de really like to see how much it really drain from the CC log..
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Old 06-02-2015, 02:59 AM   #25 (permalink)
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It really depends on how you fly... my castle 120 gets crazy hot with just the 800mx. If you are a mild pilot you'd probably get away with it.

But, the early history with the 850mx is that many people had shut downs with the 850 mx and the castle 120. doing speed passes.
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Old 06-02-2015, 05:27 AM   #26 (permalink)
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Thanks a lot ! 10-4 !

I fly as well pretty hard . Let's upgrade the ESC 😈😈
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Old 06-03-2015, 12:50 AM   #27 (permalink)
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the 120 is a tuff esc and its really light. the 160 is kind a brick. i'm doing my best to make the 120 work, I don't fly it back to back. it needs lots of time to cool off.fans help.. I have two 700Es one with the 120 and one with the 160. so I fly one, while the other is cooling.

the 160 is so heavy,if you mount it in the nose. it can create real issues with balancing the 700E

this is how I mount it...
https://www.helifreak.com/showpost.p...23&postcount=1
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Old 06-03-2015, 06:15 AM   #28 (permalink)
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Balance ? My top is balanced perfectly with a 160 whereabouts were you trying to put it.

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Old 03-24-2018, 05:48 PM   #29 (permalink)
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Reviving an old thread here...

I am upgrading my ESC from the Align 130A to a CC 160HV.
Does anyone know the Align 850 motor bullet size to buy for my ESC?

The internal measurement of the female bullet on the Align speedie measures ~5.5mm; is that a standard size?

Thanks.
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Old 03-24-2018, 08:15 PM   #30 (permalink)
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Yes,5.5mm bullets is what i use on both my heli's(Align Trex 700L).
I use the Castle Creations 5.5mm
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Old 03-24-2018, 09:59 PM   #31 (permalink)
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Thanks flipboy.

Using calipers I was getting between 5.3 and 5.5 but not knowing if the terminals were metric or imperial left some doubt.

Cheers.
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Old 05-02-2018, 02:41 PM   #32 (permalink)
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For Align 850MX 490KV I think that 120A or 130A ESC should be fine but it is ok to mount cooling fan just in case. I am using Align 130A ESC from 700X Dominator combo and it is barely warm after flight, I manage to top it at 110A:
Align Trex 700X telemetry (6 min 28 sec)
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Old 06-26-2018, 02:42 PM   #33 (permalink)
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850 and a 120, are you guys still having luck with this combo I've been thinking of doing this also, I'm a fairly limited 3D flyer.
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Old 07-19-2018, 01:59 AM   #34 (permalink)
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I was using a 850MX and a HW 130A. worked like a dream. Until I lost a magnet on the motor... I fly F3C, have 1900 RPM and make max 130A when I fly. I do max out the pitch when I am flying.

People are a bit crazy now with 200A speedcontrollers and fly sport flying! At the local feild one guy is flying with a 80A Kontronik kontroller, works fine. He flies 3D...

The number on ECS are max continuous. So my 130A can do 130A all day long, or less sometimes and much more sometimes.

You can control how much max amp will be with the pitch also. If you have a smaller ECS, dont max out the pitch, use like 11 to start with and go up.
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Old 08-03-2018, 02:31 AM   #35 (permalink)
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Quote:
Originally Posted by flipboy View Post
Yes,5.5mm bullets is what i use on both my heli's(Align Trex 700L).
I use the Castle Creations 5.5mm

Personally I like these for ESC/motor bullets:


https://www.buddyrc.com/6mm-bullet-c...rs-4-sets.html





These particular bullets are manufactured by AMASS (same company that makes the XT60 connectors etc.). They are more compact than the Castle 5.5mm bullets and the cut away solder cups makes them super easy to solder. You can make a soldering jig out of a block of wood with a few wooden clothespins glued to it that will hold the bullet and wire in position while you solder them.
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Old 08-08-2018, 09:07 PM   #36 (permalink)
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Is it physically possible for an 850 motor to run on a 120a ESC? It is, as the motor itself doesn't change the amount of power (watts/amps) but just a small amount because of the motor itself.

Where the issue lies, is in the motor's ability to draw power. An 850 motor has the ability to draw, for instance, a ton more power than a 450, if the power demand is there, and that is where it can (but not necessarily will) cause the 120a ESC to shut down.

As long as you were not limiting out your existing motor/ESC combination, you shouldn't have any issues with just upgrading a motor, but just be aware it will depend on your load application ability (flying style).


Good luck.
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Old 08-08-2018, 11:56 PM   #37 (permalink)
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If you are using a FBL with rescue function, you will not have full control over the load you put on an ESC if you activate it. Typically these will spike your amps.

Different ESC brands tend to over/under state the capacity of their units. From memory, CC tend to be a bit ambitious in their rating but Align (HW) are somewhat conservative. Generally, an Align (HW) 130 is fine but no way will a CC120 do the job. If you state which model you wish to use, I am sure someone here has tried it.


Good luck.
Ted
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