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« on: March 21, 2016, 10:08:27 AM »
riteshbrd
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City: vadodara
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NEVER..NEVER..NEVER GIVE UP...

HI!

I AM BEGINNER AND

WANT TO KNOW WEATHER THE INPUT BATTERY VOLTAGE 7.4V  AND 11.1 VOLTS MATTERS THE SPEED OF MOTOR?

SAY, IF I CONNECT SAME MOTOR TO DIFFERENT BATTERY THROUGH ESC, WILL IT AFFECT THE FULL SPEED OF THE MOTOR ?
THE REASON BEHIND ASKING THIS, IS, IF I DIDNT GET ENOUGH THRUST AND IF CHANGING THE BATTERY VOLTAGE FROM 7.4V TO 11.V , KEEPING SAME MOTOR , WILL INCREASE THE FULL SPEED AND THUS THE THRUST OR SPEED.

PLEASE REPLY,
THANKX IN ADVANCE
REGDS
RITESH
« Last Edit: March 21, 2016, 10:26:49 AM by riteshbrd » Logged
 

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« Reply #1 on: March 21, 2016, 03:15:03 PM »
Rathi
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Bob! Chill with the caps, the term KV on your motors refer to rpm per volt... if ur motor is a 1000 kv, while using your 7.4 v battery will give u 7.4 times 1000kv(7,400rpm), if u use a 11.1 v, it will give u 11.1 times 1000kv(11,100rpm) so yes it does affect the thrust and full speed! but see that ur motors and esc can handle 11.1v(3s)!! If it is a brushless motor then 3s (11.1v) should do just fine and just make sure about the esc's and it is usually specified on the ESC.
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« Reply #2 on: March 21, 2016, 03:58:46 PM »
riteshbrd
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I am having 30A BLDC ESC, no voltage rating is given,
will it be ok for 3s lipo?
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« Reply #3 on: March 21, 2016, 04:35:43 PM »
joban13
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Yep...
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« Reply #4 on: March 21, 2016, 05:24:11 PM »
Rathi
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the ones u have can take a 4S too, thats the maximum though..
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RC India  General Topics  Beginners Zone  Topic: DOES INPUT BATTERY (LIPO) VOLTAGE AFFECTS THE SEED OF MOTOR ?
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