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02-22-2008, 10:22 PM | #1 |
Quarry Creeper Join Date: Apr 2006 Location: winchester
Posts: 423
| rooster crawler max voltage
im reading the specs on the rooster crawler esc. they say not to exceed a 7cell pack. I purchased an 8 cell split pack and am wondering if thats gonna be too much. anyone else running an 8 cell split pack on a rooster crawler esc? or have the answer to my question............... thanks, |
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02-22-2008, 11:10 PM | #2 |
RCC Addict Join Date: Apr 2005 Location: Seattle
Posts: 1,437
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IF you run a seperate BEC and bypass the Rooster BED, you can run a 3 cell LiPo. ESC voltage ratings are based on the BEC, and Roosters is weak. I run a 3 cell on mine with a CCBEC, no problems whatsoever.
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02-22-2008, 11:18 PM | #3 | |
Quarry Creeper Join Date: Apr 2006 Location: winchester
Posts: 423
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would you mind explaining what BEC and BED stand for. and CCBEC. google aint giving me much insight? | |
02-22-2008, 11:26 PM | #4 |
Rock Crawler Join Date: May 2007 Location: lacey
Posts: 833
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BEC means battery eliminator circuit, which means you only have to run one battery, instead of a battery for motor, and a battery for servos. CCBEC is the Castle Creations BEC, a standalone unit that is used to provide your servo's with plenty of power. BED is I have no friggin idea, I think possibly typo? I would NOT run the 8 cell pack, let alone a 3cell lipo on the rooster crawler, those specs are there for a reason, I'm guessing that during product testing, they were smoking them on 8 cells. BlueMonster, you say the Rooster has a weak BEC, but it happens to be one of the strongest built in BEC's on the market today. I think you are confusing it with the Castle Mamba Maxx. |
02-22-2008, 11:42 PM | #5 |
Quarry Creeper Join Date: Apr 2006 Location: winchester
Posts: 423
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okay google is starting to help i got this 1900mah 7.4v lipo pack already so i f i ran that then i wouldnt even need the BEC correct? but if i run my nimh 8 cell split pack (more voltage) then id want to run a ccbec. right? and if i wanted even more runtime and juice then i could get a 11.1V 3200mAH 3 Cell LiPo, and run the ccbec inline. so if im running the 3 cell lipo and the ccbec. i plug the lipo battery into the ccbec and i plug the ccbec into what the reciever or the esc cause my power switch is coming off the esc. or will i need to run an inline switch? Last edited by 12flex; 02-22-2008 at 11:44 PM. |
02-22-2008, 11:43 PM | #6 |
RCC Addict Join Date: Apr 2005 Location: Seattle
Posts: 1,437
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You are probably right, I run them all and confuse them once in a while. BED was a typo, meant to say BEC, lol. Some good reading here... http://warcrc.org/phpBB/viewtopic.php?t=2273 |
02-22-2008, 11:45 PM | #7 |
Rock Crawler Join Date: May 2007 Location: lacey
Posts: 833
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I would just run that dynamite 7.4volt lipo, no external bec nessisary, and it is nice and light. Again, I personally WOULD ADVISE AGAINST 3 CELL LIPO OR 8 CELL NIMH. but thats just me, I like my electronics. |
02-22-2008, 11:49 PM | #8 | |
Quarry Creeper Join Date: Apr 2006 Location: winchester
Posts: 423
| Quote:
well the less stuff i have to buy the better. is their a significant weight difference between the dynamite lipo pack and the 7 cell nimh split pack i got now thats mounted low on the axle | |
02-23-2008, 12:23 AM | #9 |
Quarry Creeper Join Date: Apr 2006 Location: winchester
Posts: 423
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last ? is their a significant weight difference between the dynamite lipo pack and the 7 cell nimh split pack i got now thats mounted low on the axle |
02-23-2008, 12:24 AM | #10 |
RCC Addict Join Date: Apr 2005 Location: Seattle
Posts: 1,437
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LiPo will definitely be lighter.
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02-23-2008, 12:50 AM | #11 |
Quarry Creeper Join Date: Apr 2006 Location: winchester
Posts: 423
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for anyone who cares: the lipo's are significantly lighter! one elite 1500 sub c battery specs are below and the total weight of a 7 cell pack would be 160.65grams. The whole 7.4v 1900mah Li-po is just 80 grams. Last edited by 12flex; 02-23-2008 at 02:06 AM. |
02-23-2008, 01:13 PM | #12 | |
I wanna be Dave Join Date: Jan 2006 Location: Corruptifornia
Posts: 12,107
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I've been running 8 cell nimh on my Novak Rooster (it's the one just before they revamped it and came out with the Crawler and 12T versions....prolly 6 years old) and NO PROBLEMS AT ALL> BTW, it's also rated at max 7 cells (8.4 volts). If you already have the nimh...run it mounted on the axle...it's heavier but it's lower than a lipo will mount and the weight is on the front axle which is good. Too light or too heaby is not good. Last edited by Natedog; 02-23-2008 at 01:37 PM. | |
02-23-2008, 10:36 PM | #13 | |
Moderator Join Date: Apr 2004 Location: In my head
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