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10-22-2009, 07:22 PM
| #1901 |
| Newbie Join Date: Mar 2009 Location: SLO
Posts: 48
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What kind of runtime would I get out of the 7T and a 2200 25c 3 cell? I'm looking at making a rock racer, but cant decide what electronics to run  |
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10-23-2009, 08:26 AM
| #1902 |
| I wanna be Dave Join Date: Jan 2006 Location: ...the burning end of the rope.
Posts: 5,013
| Probably shot my warranty but,,,
Well I didn't want any kind of glitching, and I wanted full power to the servo, so this is what I did with my CC BEC. I cut the ends off of both the CC BEC and my DS8711 and wired them directly together using a DPDT switch inline so I can kill power to just the servo.. Works great,,,I can tune the rest of the truck without having the servo on or turn everything on for tuning/crawling. I run dual Rooster Crawlers with one powering the Rx. I also use a Novak Dig unit. Last edited by rmdesignworks; 10-23-2009 at 08:28 AM. |
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10-23-2009, 08:31 AM
| #1903 | |
| I wanna be Dave Join Date: Oct 2007 Location: Castle Rock, WA
Posts: 8,785
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Both motors' timing have shifted about 1/64"-1/32". I'll clean em' up, lube em' up ,set em' back, and lock tight em' up. Thanks for the help. Last edited by Szczerba; 10-23-2009 at 08:33 AM. | |
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10-23-2009, 02:21 PM
| #1904 |
| Just jump it!   Join Date: Aug 2008 Location: Cedar City, Utah
Posts: 1,947
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I am going to run to 35t hand wounds on my bully. Should i rotate the endbells or just wire them up? I am looking to get the least amount of clod stall possiable. Running a 13t front pinion and a 12t rear, Sidewinder esc. Thanks for any info!! |
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10-24-2009, 10:12 PM
| #1905 | |
| I wanna be Dave Join Date: Oct 2007 Location: Castle Rock, WA
Posts: 8,785
| Quote:
Well I guess I couldn't see or something that day. The front motor timing was shifted but not the rear. So I fixed the front the Friday night before the comp. The next day I progressed gate one of course one then a big puff of white smoke out of the that rear motor. Checked the timing lines then they were dead on 0. Swapped out the rear motor with a cheapo and the truck ran fine all day. Had someone look at the brushes and they said they looked fine. Any suggestions? | |
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10-26-2009, 01:32 AM
| #1906 |
| Rock Stacker Join Date: Nov 2004 Location: NORCA
Posts: 74
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Hi John, A couple months ago I sent you a crawl master motor of mine. I printed out my emails from you so you would know what's going on with it. I also supplied a prepaid shipping slip. I have not heard or seen anything. Keith Boelens |
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10-26-2009, 09:41 PM
| #1907 | ||||
| owner, Holmes Hobbies LLC   Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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If you recall our emails, I don't have replacements at this time. When my sensored outrunner is manufactured I will send you one for replacement.
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10-27-2009, 07:43 PM
| #1908 | |
| I wanna be Dave Join Date: Oct 2007 Location: Castle Rock, WA
Posts: 8,785
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10-27-2009, 10:05 PM
| #1909 |
| RCC Addict Join Date: Mar 2007 Location: St. Louis (High Ridge)
Posts: 1,279
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ok JohnRob, you planted this idea, so lets look at it. right now under the winnie I have a novak Super duty and two 6 cell 3000 packs which get me all the way to the furthest crawl sight, and half way back so I am in the market for batteries anyway. I just checked your site, and you have 2300mAh LiFe cells for $6. All I know about LiFe is that it doesn't blow up, and it is 3.3v/cell. Question 1; I have a hobbico charger that does NiCad, NimH, LiPo, and Li-Ion. does LiFe count as Li-Ion, or is that something else? Question 2; ok, so these are about as big as a regular sub C, so I could make replacement packs that would fit in the same location as the current stick packs, but be 2s3p to give me 6.6v and 6900mAh which I could hook to each of the battery connectors of the super duty and connect to eachother to power the charger at 13.2v and 6900mAh? Question 3; in theory if it takes me 4000mAh to drive to the comp sight and back, i could charge a 2000mAh pack (giving a 900mAh) cussion for heat/non useable voltage, or would I be better off tring to make 2s4p packs to give myself 9200mAh? |
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11-01-2009, 05:34 PM
| #1910 |
| Rock Stacker Join Date: Nov 2004 Location: NORCA
Posts: 74
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I received it If you recall our emails, I don't have replacements at this time. When my sensored outrunner is manufactured I will send you one for replacement.[/QUOTE]Can I exchange the crawlmaster for a unsensored motor? I don't want to have to buy another new speed control... Last edited by spoder514; 11-01-2009 at 05:37 PM. |
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11-03-2009, 03:19 PM
| #1911 |
| Quarry Creeper Join Date: Nov 2008 Location: sacramento
Posts: 424
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where can i find some 10t colbalt puller motors? i need 2 for my Losi moa
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11-05-2009, 11:49 AM
| #1912 |
| Pebble Pounder Join Date: Sep 2009 Location: On tour in Iraq!
Posts: 128
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Alright... so I was looking over my Holmes Handwound 25t tonight based on this thread and Caring for your new Brushed motor and noticed it was negatively timed. (I got it second hand from here) So I moved it up to about 7* and tried running it. Now I am throwing sparks from the endbell ("the black plasitic part on the end" incase I got the term wrong). I *know* I am not timed negatively based on your images from the Care & Feeding thread you wrote sooo... am I doing something else wrong? I will try to post pics a little later after the Gym.
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11-05-2009, 12:19 PM
| #1913 | |||||
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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You would use the LiFe charge option. I would recommend more pack than you need for sure. Maybe regear or possibly just run the rig at partial throttle so it runs on 12v well? Quote:
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11-05-2009, 01:33 PM
| #1914 | |
| Pebble Pounder Join Date: Sep 2009 Location: On tour in Iraq!
Posts: 128
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Last edited by oSPANNERo; 11-05-2009 at 01:40 PM. | |
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11-05-2009, 02:04 PM
| #1915 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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Just try rotating the endbell the other direction, it can't hurt the motor any more than sparks  |
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11-05-2009, 02:07 PM
| #1916 | |
| Pebble Pounder Join Date: Sep 2009 Location: On tour in Iraq!
Posts: 128
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 Alright... should the sparks go away completley or will there still be some inside the bell? | |
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11-05-2009, 02:17 PM
| #1917 | |
| Keep it real  Join Date: Jun 2006 Location: Yakima,WA
Posts: 6,532
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11-05-2009, 02:19 PM
| #1918 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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With enough advance they can go away, but then you get more sparks when braking or reversing. Brushed motors are fun!
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11-05-2009, 02:20 PM
| #1919 | |
| Pebble Pounder Join Date: Sep 2009 Location: On tour in Iraq!
Posts: 128
| Quote:
 How was I supposed to know that till I tried to break it???? | |
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11-05-2009, 07:58 PM
| #1920 | |
| RCC Addict Join Date: Mar 2007 Location: St. Louis (High Ridge)
Posts: 1,279
| Quote:
the winnie is running on 14.4 now, the super duty takes two 7.2v packs. 4s was going to the charger via two 2s packs feeding the superduty. my debate was 3p or 4p to have enough mAh vs. affordability. also if LiIon != LiFe then I need to look into a new charger also. | |
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