| |
| |||||||
 |
| | LinkBack | Thread Tools | Display Modes |
08-10-2016, 05:39 PM
| #1 |
| Quarry Creeper Join Date: Oct 2011 Location: Westport Island
Posts: 404
|  Another 2s vs 3s vs 4s runtime question
OK. we know that a higher cell count is supposed to give a longer run time because of this: Power = Volts x Current. Ex: 11.1V x 5.0A = 55.5 Watts , 7.4V x 5.0A = 37 Watts, ect. But thats at the batteries nominal voltage and not what is actually going to the motor during "normal use". If I have a truck and do nothing but increase cell count and continue to drive around at the same ground speed lets say the motor is receiving 5 volts, does a higher cell count still make a difference? Am I comparing apples and coconuts? I normally run 3s but am dying to try 4s. Thanks! (this is something Ive struggled with for a long time now...) |
|  |
| Sponsored Links | |
| | |
|
08-10-2016, 05:42 PM
| #2 |
| I wanna be Dave  Join Date: May 2015 Location: Moving
Posts: 2,580
| Re: Another 2s vs 3s vs 4s runtime question
When making the switch to 3s then to 4s I noticed my run times increased significantly in every case with All other factors being equal. Another great side effect to increased voltage was cooler motor and ESC. Win win.
|
|
| |
|
08-10-2016, 05:43 PM
| #3 |
| Quarry Creeper Join Date: Oct 2011 Location: Westport Island
Posts: 404
| Another 2s vs 3s vs 4s runtime question
I just did another google search about this and found I had posted a very similar question back on 5/15!! getting old sucks... Last edited by skybolt; 08-10-2016 at 06:19 PM. |
|
| |
|
08-11-2016, 11:39 AM
| #4 |
| Rock Crawler Join Date: May 2016 Location: SoWIs
Posts: 618
| Re: Another 2s vs 3s vs 4s runtime question
Most motors will increase in efficiency if you increase voltage but maintain the same RPM/load. If not, then it's a function of how many Watt-hours are in the battery. mAh * voltage / 1000 = Wh. 4000 * 7.4 / 1000 = 29.6 Wh; 4000 * 11.1 / 1000 = 44.4 Wh. If you're a drinking man, cell count is how strong the drink is & mAh is how many drinks there are. 1 shot drank slowly will be similar to 5 "non-alcoholic" beers. |
|
| |
|
08-11-2016, 01:55 PM
| #5 |
| Quarry Creeper Join Date: Oct 2011 Location: Westport Island
Posts: 404
| Re: Another 2s vs 3s vs 4s runtime question
What's a "non-alcoholic" beer??
|
|
| |
|
08-11-2016, 02:16 PM
| #6 | |
| Moderator   Join Date: Sep 2008 Location: PA
Posts: 13,935
| Re: Another 2s vs 3s vs 4s runtime question Quote:
 | |
|
| |
|
08-11-2016, 07:00 PM
| #7 |
| Quarry Creeper Join Date: Oct 2011 Location: Westport Island
Posts: 404
| Re: Another 2s vs 3s vs 4s runtime question
Bet you didn't think it was as funny as I did! Sent from my Jitterbug |
|
| |
|
08-11-2016, 10:48 PM
| #8 |
| Rock Crawler Join Date: Mar 2016 Location: HB
Posts: 946
| Re: Another 2s vs 3s vs 4s runtime question
Have another drink, throw in the 4s and hope you don't burn the biotch down.lol. Seriously though, make sure your esc can handle whatever you wanna throw @ it. Just cause you can fit it in there doesn't mean they can handle it!haha
|
|
| |
|
08-12-2016, 04:15 AM
| #9 |
| Quarry Creeper Join Date: Oct 2011 Location: Westport Island
Posts: 404
| Re: Another 2s vs 3s vs 4s runtime question
I'm good to go, HH BRXL and CC bec, however momma told me not to drink and drive... Sent from my Jitterbug |
|
| |
|
Another 2s vs 3s vs 4s runtime question - Similar Threads | ||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| ~~runtime question~~ | 73formulabird | Newbie General | 4 | 02-07-2010 03:51 AM |
| What is the runtime? | nuke24 | Duratrax Cliff Climber | 9 | 05-04-2009 06:21 PM |
| No Runtime. | 350jeepcj5 | Tamiya Clod Buster | 23 | 07-01-2008 11:55 AM |
| runtime question.... | weeman | Electronics | 3 | 01-08-2007 09:51 PM |
| Clods With MM's...Runtime Question?? | RANOVRU | Tamiya Clod Buster | 4 | 03-21-2006 07:02 PM |
| |
Linear Mode
