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New micro motor from rcinpower: 1303.2
#1
Photo 
This motor has gotten me interested in a bit more power for 1S toothpicks.

1202.5 @ 11000kV is great but needs tuning for 3" props.  the fpvcycle 13mm are a bit sh1t on 1S for the same application.  I'm hoping these 1303.2's will be just right considering they are available in 11500kV.

Aliexpress link: RCinpower GTS V3 1303 PLUS brushless motor for 2 inch circle plane DJI O3 Mapper - AliExpress

[Image: Sc7270c52f0fc4a5aa3e7a1a4860cef74W.png]

[Image: S3090a737e2b94c7fbe5917f20ad21f05z.png]

[Image: S82a31e01807246ff83d911d98a530f5b3.png]
[-] The following 1 user Likes ph2t's post:
  • hugnosed_bat
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#2
I imagine these would be pretty similar to the FPVcycle motors besides the 2mm vs 1.5mm shaft (same manufacturer and nearly same kv too).
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#3
So this is very welcome news as I'm looking to build a 1303, but those amp numbers are crazy as fk. 22A on 1S???? Does an AIO exist that can run at 1-2S and deliver that much power? The biggest one I know of is probably the Darwin or Nameless AIO @ 15A, I know of nothing beyond that, that can run 1S and produce over 20A, nor 2S and produce 30A. Those 11500kv motors are pointless as you will burn out any esc if you don't cap at 50% motor output and on some level so are the 8000kv motors if you run them on anything less than 3S.
Try Not, Do or Do Not
- Yoda

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#4
The motors came in recently and I got a chance to compare them to the fpvcycle 13mm motors.


[Image: attachment.php?aid=11406]

[Image: attachment.php?aid=11405]

The rcinpowers seem to be a little less in diameter than the fpvcycle ones.  Obviously the standard 1.5mm shaft.  They feel well made and the space between rotor and stator is very fine which is typical of rcinpower motors.

They are going in a "high powered" 1S build.  I hope to be able to test later this week.


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#5
Any interest in first testing the actual kv on these new rcnps? Seriously wonder how accurate their "number" is...
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#6
I'll be honest mate, not really. Whilst I find testing (like the mads tech and chriss rosser YTers) informative, I always take it with a grain of salt. I prefer to see how everything operates together as that best reflects the reality and not some isolated testing.

How would you suggest I go about do the testing? I could try no load in the BF motors tab and take the RPM values from there but I can't measure voltage across the motor phases as PWM duty cycles don't reflect the Vcc of the battery voltage as a DC direct current situation would. So I dunno how people do it to be honest without specific T&M equipment.
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#7
Fair enough...  Thumbs Up

But if you get curious one day, you have options...:

Accurate low tech easy (electric drill, multimeter, digital tachometer/rpm meter)
https://fishpepper.de/2017/10/17/tutoria...ess-motor/

...Scroll down to #3 for instructions.

Or, watch a vid:



Or, buy a motor analyzer:

SKYRC BL Motor Analyzer - $99.99
https://www.skyrc.com/SKYRC_BL_Motor_Analyzer

https://www.amazon.com/SkyRC-Brushless-M...B00UMV606U

Or, don’t do a thing until you’re scratching your head wondering what’s off?... Smile
[-] The following 1 user Likes skywanderer's post:
  • ph2t
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#8
Some awesome links there mate, thank you!
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#9
Can't wait to learn what you learned with this 1S setup! Pardon the sidetrack interruption... Smile
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#10
Nah all good, I think pathfinder has made me scared to go 100% throttle Smile. The AIO I'm using is rated for 13A an esc so it could technically blow under load with the 11500kV motor.
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#11
I have long history with RCinPower.

Early motors were chunky.. tornado.
Then 1506 motor came out. Underrated.
This 1303 is .. pointless. Too many similar sized already.

What is perfect motor?
I really like BH1504.5
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#12
Yes, the "singing" 1407s... I still have a few of them. They flew nice on a couple 4" bi-blade rigs back when.

Totally agree on the BH1504.5s, so nice!
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#13
So i've put these motors into a build, they are hot but not as hot as the datasheet suggests.  I'm topping out at about 28A  Tongue


Where the 1202.5 motors would bottom out, ie; from a dive, these ones don't!  Thumbs Up

I like 'em.
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  • drumgod, mstc
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#14
Big Grin That's insane for 1S!! You still running the T-motor AIO?
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#15
Wow decent 1S punch huh!

Just noticed they have a 12N14P not 9N12P version that I think might do well with 3S & 3.5” props!

GTS V3 1303 Plus Motor
https://pyrodrone.com/products/rcinpower...less-motor

options-r-gud
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  • ph2t
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