05-03-2009, 04:03 PM | #1641 |
Rock Crawler Join Date: Apr 2004 Location: North GA
Posts: 824
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What is the best way to attempt to revive dead sub-C NiMh cells? I have a few packs with 4-5 cells reading 1.2+ V, but 1 or 2 at 0.0-0.15V. Is there any way I can bring these back to life? I have let them cycle on my Hyperion charger, but the dead cells remain. I saw some videos on zapping batteries with a welder, but those all seemed to be directed at NiCd cells. |
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05-05-2009, 10:40 AM | #1642 | ||
Picky Fab'r/Acetal Junky Join Date: Jul 2006 Location: Arizona Desert/AJ
Posts: 3,073
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05-05-2009, 01:27 PM | #1643 |
I wanna be Dave Join Date: Jun 2007 Location: Canada, eh.
Posts: 2,919
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Got my package last night, thanks John. One quick question for you or anyone else that can answer, I got one of the Hyperion XH balance adapters for my 0606i charger. It didn't come with the cable/cord to plug into the charger. Are they all compatible across all the adapters (i.e., can I just unplug one of my other adapter cables and use it on this one)?
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05-05-2009, 02:31 PM | #1644 | |
I wanna be Dave Join Date: Oct 2007 Location: Houston
Posts: 3,761
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05-05-2009, 11:12 PM | #1645 |
I wanna be Dave Join Date: Sep 2008 Location: behind the wheel of a monster truck...
Posts: 2,878
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OK John I need to know who I have to shoot to get my hands on two of you 35 turn Torquemasters.....I was gonna add in there one of your 11 volt lipos but those are in stock all the time(unlike EVERYTHING else I need)and two of your esc'a but they aren't out yet but I would like to know when you will have them in hand as I would rather not buy new fxr's if I don't have to,especially if you will have them SOON....But really my berg is going no where waiting on your electronics and I am at a point where I am gonna have to go another route real soon if I don't get something figured out..But I hate to ruin my addiction for your goody's and go off and buy all tekin gear.....But pm me or something and let me know whats up on some motors atleast,I can deal with the tekin esc's for now I guess.. |
05-06-2009, 09:47 PM | #1646 |
Pebble Pounder Join Date: Nov 2006 Location: vaca, nor cal
Posts: 134
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Well I just ordered the 10t cobalt and cant wait for it.
Last edited by rentstdi; 05-07-2009 at 05:13 PM. |
05-08-2009, 07:54 AM | #1647 |
Rock Stacker Join Date: Dec 2006 Location: eaton
Posts: 80
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just recieved a new torque master second hand and wandered is their a way to tell how many turns it is |
05-08-2009, 08:47 AM | #1648 | ||||||
owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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I sent em out quite a while back actually. Time to send them again!! For some reason the adapter plates get lost in the mail quite often, you are the third person that I sent plates to with no receipt. Quote:
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Sometimes I miss this thread, sorry. | ||||||
05-09-2009, 02:18 PM | #1649 |
Quarry Creeper Join Date: Feb 2009 Location: Richmond, VA
Posts: 379
| Lipo Battery Requirements 7T Motor
John, I have one of your 7T Puller motors. However, your website states that the 7T Puller needs 40 amps continuous for 11.1v, 30 amps continuous for 7.4v lipo battery. I am new to lipo batteries so forgive my question concerning lipo batteries. The lipo batteries on your website range from 7.4v/ 15c - 14.8v/ 25c. None of these batterie seem to fit the need of the 7T Puller motor. The 11.1v/25c battery has the volts but not the constant out put required for the motor. Or am I wrong interpeting the information for batteries? Which of the lipo batteries on your website would give me the best performance and longest run time with the 7T Puller motor? Or is there a better battery from another company that will give me optimum performance from the 7T Puller motor? I have a Mamba Max Esc if that helps any with my question. Walter Last edited by BMFOTP; 05-09-2009 at 02:27 PM. |
05-09-2009, 02:26 PM | #1650 |
owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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The 2200 packs I carry are best for 3s use, and the 1300 packs work well for 2s use.
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05-09-2009, 02:32 PM | #1651 |
Quarry Creeper Join Date: Feb 2009 Location: Richmond, VA
Posts: 379
| Clarification
So a 7.4v lipo doesnt have to say 30c to work with a 7T motor? As long as the constant out put is close is good enough to nuse with a motor? ust trying to make sure I understand. Just found the battery info in a sticky and will read that later today if I get time. Would the 14.8v/ 25c battery harm the 7T Puller motor or a MM Esc? Isnt more better Last edited by BMFOTP; 05-09-2009 at 02:34 PM. |
05-09-2009, 06:50 PM | #1652 | |
Keep it real Join Date: Jun 2006 Location: Yakima,WA
Posts: 6,532
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05-09-2009, 07:05 PM | #1653 | |
TEAM MODERATOR Join Date: May 2004 Location: Tennessee
Posts: 10,855
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Tanis is right with the figuring. One thing I noticed in your post is 14.8v and 7t puller. At times,a 7t puller can get a little toasty on a 3 cell. I'd imagine even higher voltage would kinda be rough on it. It might take it,but it would shorten it's life span and increase maintenance. Like turning the comm and new brushes. A 7t puller on a 3 cell is really all you need. Even a 10t puller on a 3 cell is plenty of gitty up and go....for most Getting a higher constant rating on your packs is best if you run pullers or other hot motors. Getting a good burst rating is as important. The pullers,when you get them bound up,if your drive train will hold,they really pull some amperage. Smaller rated packs won't take it long. | |
05-09-2009, 09:34 PM | #1654 | |
Quarry Creeper Join Date: Feb 2009 Location: Richmond, VA
Posts: 379
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How come an increase in volts strains a pack when there is an increase in cells? Wouldnt each cell produce the same number of volts. 2 cells = 7.4 volts. 3 cells = 11.1 volts. | |
05-09-2009, 09:39 PM | #1655 | |
Quarry Creeper Join Date: Feb 2009 Location: Richmond, VA
Posts: 379
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05-09-2009, 09:49 PM | #1656 | |
TEAM MODERATOR Join Date: May 2004 Location: Tennessee
Posts: 10,855
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05-09-2009, 10:18 PM | #1657 | |
Keep it real Join Date: Jun 2006 Location: Yakima,WA
Posts: 6,532
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If you strain lipos, they don't last long, and can puff or even erupt in a ball of flame. Ideally, you want to be pulling less than the labeled constant amp rating, for longest life(300+cycles) | |
05-10-2009, 09:06 AM | #1658 | |
Quarry Creeper Join Date: Feb 2009 Location: Richmond, VA
Posts: 379
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05-10-2009, 09:08 AM | #1659 | |
Quarry Creeper Join Date: Feb 2009 Location: Richmond, VA
Posts: 379
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05-11-2009, 10:56 AM | #1660 |
Quarry Creeper Join Date: Aug 2008 Location: San Jose
Posts: 250
| Berg Build: Does the 7T/10T Pullers fit with no mod?
I saw berg axles at a good price (in my opinion) so finally decided on doing a berg build. I saw your berg thread, and you had two 5T cobalt pullers on it. Did you have to do any modifications to get your pullers to fit, or does it fit fine with no additional modding? (edit: it looks like you put the links on the outside mount and with bent links angled out?) I was planning on either stuffing two 7Ts or 10Ts. Not sure which one yet. I want to use a 3S lipo for wheel speed bashing, but i read that the 7T gets really hot on a 3S. I want to do a mix of bashing and crawling, would the 7T just get too hot on a 3S? As far as ESCs go, I was planning on using your BR-XL (when you have them out...I am in no hurry. This will be a slow build waiting on sale prices on other various parts and chassis). Can your BR-XL handle running two motors, or do I need to run two of them. My other two choices are to run dual FXRs or run a single FXR Pro. Last edited by mtnhrdgr2; 05-11-2009 at 10:02 PM. |
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