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Choosing mini quad motors - What differences does Motor numbers make?
#1
I understand the differences about 22XX motors as far as what the numbers mean. But still, I am not really sure how to pick motors, what are the practical differences between 2204, 2206, and even the other odd ones like a 2207 or 2213 (seen some at Multirotor Superstore).

I currently use 3S on 1806 motors with 5045BN triblades on a 250 H-frame, but for my next quad I was going to go 4S with a Kriegerish 225 X-frame and keep the 5" props (any variety, triblades seem to keep me more steady). No idea really how to pick the motors.
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#2
Let's start from the basics.

The first four digits in the motor number indicates the dimensions, which is the stator diameter and stator height.

Generally speaking a bigger stator means more mass, more torque and more efficiency.

for example, for a 2206 2000KV motor, and 2204 2000KV motor, you might not notice much difference on smaller propellers, like a 5030 prop will run about the same on these motors...
But if you put a 6045 props on them, that's where it starts to show the difference. Because the 2206 is more powerful it can drive larger props more efficiently.

And about the KV number, IMO 2300kv Motors are great for 5" props, 2000kv for 6".

Last year everybody went 250 size quads, using 2204 or 2006 2000kv with 6" Blades, this year the trend is smaller quads, more KV, 5" props and Tri even Quad blades. It'a sll down to personal preference, so chose whatever works best for you.
Don't be a LOS'er, be an FPV'er :)  My Gear - Facebook - Instagram - Twitter
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#3
(10-Mar-2016, 09:52 PM)Oscar Wrote: Let's start from the basics.

The first four digits in the motor number indicates the dimensions, which is the stator diameter and stator height.

Generally speaking a bigger stator means more mass, more torque and more efficiency.

for example, for a 2206 2000KV motor, and 2204 2000KV motor, you might not notice much difference on smaller propellers, like a 5030 prop will run about the same on these motors...
But if you put a 6045 props on them, that's where it starts to show the difference. Because the 2206 is more powerful it can drive larger props more efficiently.

And about the KV number, IMO 2300kv Motors are great for 5" props, 2000kv for 6".

Last year everybody went 250 size quads, using 2204 or 2006 2000kv with 6" Blades, this year the trend is smaller quads, more KV, 5" props and Tri even Quad blades. It'a sll down to personal preference, so chose whatever works best for you.

Hi Oscar, 

It´s cristal clear the difference between 2204 and 2205/2206. But how about the KVs on this equation?
For example, I have a kit to assemble coming from China. A Genius 215mm with 2205 2600KV, what is the difference from this motors to the standard 2204 2300KV ?

Thanks
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#4
(12-May-2017, 12:19 AM)flabombarda Wrote: Hi Oscar, 

It´s cristal clear the difference between 2204 and 2205/2206. But how about the KVs on this equation?
For example, I have a kit to assemble coming from China. A Genius 215mm with 2205 2600KV, what is the difference from this motors to the standard 2204 2300KV ?

Thanks

I hope my motor guide helps answer your question. https://oscarliang.com/quadcopter-motor-propeller/#kv
if you still have questions feel free to ask.
Don't be a LOS'er, be an FPV'er :)  My Gear - Facebook - Instagram - Twitter
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#5
(12-May-2017, 12:19 AM)flabombarda Wrote: Hi Oscar, 

It´s cristal clear the difference between 2204 and 2205/2206. But how about the KVs on this equation?
For example, I have a kit to assemble coming from China. A Genius 215mm with 2205 2600KV, what is the difference from this motors to the standard 2204 2300KV ?

Thanks

Imho the most important thing with higher kV motors is, to not overprop them. Otherwise the current on full throttle will rise rapidly and you won't get much out of the additional rpm's.

What i've also gathered from reading is that especially a higher stator relates to more low-end torque, hence why flyduino made a 2010 motor for 3D-pilot ZoeFPV.
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