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11-17-2009, 06:19 PM
| #1 |
| Newbie Join Date: Sep 2009 Location: roseburg
Posts: 36
|  lipo battery HELP. run time
i never claimed to be smart so i need some help. on my lcc im running 17.5 exceleron combo and a 200oz steering servo and losi dig servo. i bought the losi 2 cell 7.4 lipo and i can only get about 30min. run time. i double check pinion gap for drag, i have done the shim removal and pack my axles with grease. i dont understand the diffrence if i can run a 3cell if that will give me longer runtime |
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11-17-2009, 06:24 PM
| #2 |
| Quarry Creeper Join Date: Dec 2008 Location: B.C. Canada
Posts: 227
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1/2 hr is all i got out of my 2s lipo. Went to MOA and a 3s and now it is a good hr.  |
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11-17-2009, 06:37 PM
| #3 |
| Quarry Creeper  Join Date: Oct 2009 Location: Iowa
Posts: 296
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Your run times sound about normal for a LCC. You have done all the right things with the worms and all. I am running 2s 2000mah packs and I get about 45 minutes if I don't get too throttle happy. The worms gears and tranny in the LCC require at lot of power. If your looking for run times equal to an Axial...it isn't gonna happen. I don't have any experience with the 3s LiPo's, but I doubt you will get much longer run times, just more power. I run Common Sense RC LiPo packs that can charge at 2C (4 amps). This cuts the charge time almost in half so with 2 battery packs I always have one charged by the time the other dies. |
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11-17-2009, 11:07 PM
| #4 | |
| Rock Stacker Join Date: Jun 2009 Location: Singapore Bukit Batok
Posts: 80
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11-18-2009, 11:35 AM
| #5 |
| Pebble Pounder Join Date: Aug 2006 Location: Next door to Louisville, KY
Posts: 103
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Just do what I did. I bought 6- 3S 1300 MAH packs so I can play as long as my buddies who run Axial's with 2- 4200 packs. $20 a pop at http://www.valuehobby.com/product_de...d=8&item_id=65 They last about 30-45 min depending on how much I punch it. They do take 75 mins per pack to charge at 1C though. :( DE |
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11-18-2009, 03:38 PM
| #6 |
| I wanna be Dave Join Date: Sep 2006 Location: Stuck on a Rig in the middle of nowhere Utah.
Posts: 2,024
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If you went to the 3 cell lipo you would get more volts. This does = longer run time as long as you stay out of the throtle most of the time. I am running 2200mah 3s lipos and get about 45min to an hour of run time. But the motor gets realy hot at the 45min mark. I am running a HHH brushed motor and not a brushless like you, so may get a little more run time. This is just my observation. John Rob Holmes states that for longer run time you need to "volt up and gear down". This has been proven time and time again. I hope this helps. |
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11-18-2009, 09:33 PM
| #7 |
| Newbie Join Date: Sep 2009 Location: roseburg
Posts: 36
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thanks guys im just gonna buy a another battery pack or two. i didnt realize the worm drive took so much juice to run.
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11-18-2009, 09:40 PM
| #8 |
| Rock Stacker Join Date: May 2009 Location: chattanooga, TN
Posts: 97
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The C on the batt matters too. The higher the C rating, the faster the batt can give the motor juice. But it also means less run time! I have two 15Cs that last about 40 min. and one 30C that is freaking awesome, but only get about 25 min.  |
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11-19-2009, 06:01 AM
| #9 |
| I wanna be Dave Join Date: Mar 2009 Location: sittin in the sky
Posts: 4,630
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yup the worms tend to like batts, but i can get 25 min out of a nimh pack (1500MAH) and my ax-10 gets about 30-40min on the same pack
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11-19-2009, 07:41 PM
| #10 |
| Rock Stacker Join Date: Jun 2009 Location: Singapore Bukit Batok
Posts: 80
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Any idea how long can a 7.4v 2s 15c 1300mah lipo last. Run on a Novak Rooster 55t brush motor with a 14t pinion. Thks in advance. |
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