08-10-2013, 03:28 PM | #1 |
Quarry Creeper Join Date: Jun 2012 Location: pomona
Posts: 201
| KV question
I have a Tekin RS GEN2 ESC and am looking to match it with a Tekin crawling motor. My noob like question is there are four of them, 3100KV, 2300KV, 1800KV and 1200KV. What is the difference and which is best for backyard crawling and a little trailing? The Tekin website really didn't explain the difference. Thanks (yes I have a hotwire and it will be running on 3s)
Last edited by wraithfreak; 08-10-2013 at 04:07 PM. |
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08-10-2013, 05:15 PM | #2 |
Quarry Creeper Join Date: Jun 2012 Location: pomona
Posts: 201
| Re: KV question
O.K am I missing a sickie... Ty from Tekin...little help please...anybody ??????
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08-10-2013, 05:23 PM | #3 | |
I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Re: KV question Quote:
KV is the RPM the motor will run on a volt of power. A 3100KV motor will spin ~twice as fast as a 1800KV motor. Faster spin means lower torque, sorta the opposite for brushed motors where a lower turn gives a faster spin. Hi KV motors are more for on-road cars, low KV is more for crawling or high torque applications. Volts applied (1S vs. 2S vs. 3S) also changes the speed. A 1800KV motor that is too slow on 2S may be great on 3S. Sensored vs. unsensored have an affect on low speed control. The number of poles in the motor also affect the motor speed and torque. There is no "real good" cross reference between a brushed "T" vs. a brushless "KV", there are only close approximations. | |
08-10-2013, 05:51 PM | #4 |
Rock Crawler Join Date: Jan 2008 Location: Essex, UK
Posts: 654
| Re: KV question
I'd say go with the 1800kv. You can always go to 3s to add more speed if you need it.
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08-10-2013, 05:51 PM | #5 |
Quarry Creeper Join Date: Jun 2012 Location: pomona
Posts: 201
| Re: KV question
Sorry... yes I meant "stickie". Forget one "t". It's Saturday with no Grandkids and papa's been drinking. Thanks for the response.
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08-10-2013, 08:22 PM | #6 |
Rock Crawler Join Date: Jan 2013 Location: Middleburg Florida
Posts: 920
| Re: KV question
I say the 3100. You can always gear it down, crawls great on 2S, plays great on 3S.
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08-11-2013, 05:48 AM | #7 |
RCC Addict Join Date: Jan 2012 Location: Sweden
Posts: 1,809
| Re: KV question
I'd go with 1800 or 2300, depending on what rig you have. Then up the voltage as/if needed. 3100 seems too much at the low end. (Minimum speed too high.) |
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