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JERRY2KONE SUPERMAXX
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Posts: 3,452
Join Date: Sep 2006
Location: HAYMARKET VIRGINIA
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Lvc -
04.02.2008, 11:35 AM
Quote:
Originally Posted by plettenbergs
does it mount "in line" on the truck?
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LVC  stands for "Low Voltage Cutoff" Refering to a circuit/switch that cuts off the ESC when your voltage level drops to a specified point (usually 3v), so that your batteries do not continue discharging and drop below that parameter. If your Lipos voltage drops too low they can become unstable and damage may occure. Fire, explosion, etc etc ...... I believe the point that someone is trying to make with you is that your ESC may not come equipt with an LVC already. You may need a seperate LVC to accomplish this task in order to protect your equipment.  Please correct me if I am wrong guys???? Good luck with that.
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That's All Folks!
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Posts: 2,359
Join Date: Dec 2006
Location: in a VAN down by the RIVER
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04.02.2008, 10:51 AM
LVC = low voltage cut-off, to protect the lipo batts from over discharge.
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RC-Monster Mod
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Posts: 6,597
Join Date: Apr 2007
Location: NJ
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04.11.2008, 12:45 PM
But yes I believe this can and has been done - Get the rotors in sync and locked with gearing it can work
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RC-Monster Carbon Fiber
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Posts: 50
Join Date: Feb 2008
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04.11.2008, 01:52 PM
Quote:
Originally Posted by Arct1k
But yes I believe this can and has been done - Get the rotors in sync and locked with gearing it can work
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Please video tape it if you try..............
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RC-Monster Aluminum
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Posts: 748
Join Date: Oct 2005
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04.11.2008, 02:19 PM
Yes, I have done that on many occasions and I can even explain how it works and why.
There is nothing to capture here...
And nicely matched two plettenbergs would be not a problem for ESC to run in sensoreless mode.
Quote:
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That was just a joke right?.. or is it really possible...
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Have you seen any of this in my post?
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Old Skool
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Posts: 7,494
Join Date: Feb 2007
Location: Devon, England
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04.11.2008, 02:18 PM
Arthur has explaind the precise procedure in the past, and its alot simpler than you might think:
1. Short 2 wires of each motor with a single 1.2v cell, they will rotate to a certain posistion. (do this with the pinions installed to make life easier later).
2. Wire the motors in parallel, then to the esc.
3. Bolt the motors to the motor mount, and mesh them to the spur; when you rotate one motors shaft, the other should follow automatically due to the mechanical magnetic cogging... thing.
4. With the motors meshed to the spur, you can now treat them as one motor in essence, only they will draw double the amps since they are in parallel. You really do need a good esc and batts for this setup.
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RC-Monster Aluminum
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Posts: 748
Join Date: Oct 2005
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04.11.2008, 02:30 PM
Quote:
Originally Posted by suicideneil
Arthur has explaind the precise procedure in the past, and its alot simpler than you might think:
1. Short 2 wires of each motor with a single 1.2v cell, they will rotate to a certain posistion. (do this with the pinions installed to make life easier later).
2. Wire the motors in parallel, then to the esc.
3. Bolt the motors to the motor mount, and mesh them to the spur; when you rotate one motors shaft, the other should follow automatically due to the mechanical magnetic cogging... thing.
4. With the motors meshed to the spur, you can now treat them as one motor in essence, only they will draw double the amps since they are in parallel. You really do need a good esc and batts for this setup.
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Its all about timing
Thank you,
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Old Skool
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Posts: 7,494
Join Date: Feb 2007
Location: Devon, England
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04.11.2008, 02:33 PM
I've learnt alot from you dude, and I admire the crazy stuff you can do with electronics.
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RC-Monster Carbon Fiber
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Posts: 50
Join Date: Feb 2008
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04.11.2008, 03:41 PM
Cool.....this was said to not work in other forums , but hey your system does seem make sence . this I would like to see for real just to say that I have
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RC-Monster Carbon Fiber
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Posts: 399
Join Date: Mar 2008
Location: Alpharetta,Ga
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new problems! -
04.11.2008, 11:10 PM
EMAXX trani was working for almost two full batt runs...input shaft has failed now...trani seems to be fine...have to disassemble again tomorrow...i did pick up heavy duty (traxxas #3993x)new one today at hobby shop today!...I MIGHT HAVE TOO MUCH POWER!...it really hauls as for a while though!...is my 1 esc able to power two motors?
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Brushless Heavy Weight....
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Posts: 1,954
Join Date: Sep 2005
Location: Kingsville, Ontario
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04.11.2008, 11:27 PM
Quote:
Originally Posted by plettenbergs
EMAXX trani was working for almost two full batt runs...input shaft has failed now...trani seems to be fine...have to disassemble again tomorrow...i did pick up heavy duty (traxxas #3993x)new one today at hobby shop today!...I MIGHT HAVE TOO MUCH POWER!...it really hauls as for a while though!...is my 1 esc able to power two motors?
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the power potential is definately there... but the poor old drivetrain is dying man... from the weight of them NiMH.... save ur truck by gettin' some LIPOS...
Hey, if you put two brushless motors beside each other and spin it, the other one spins as well....
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Old Skool
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Posts: 7,494
Join Date: Feb 2007
Location: Devon, England
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04.12.2008, 08:57 AM
You would need a seriously heavy duty esc to power both the BigMaximums, something like the MGM 224amp models- about $400+ a pop I think...
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RC-Monster Aluminum
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Posts: 748
Join Date: Oct 2005
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04.12.2008, 09:25 AM
Quote:
Originally Posted by suicideneil
You would need a seriously heavy duty esc to power both the BigMaximums, something like the MGM 224amp models- about $400+ a pop I think...
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I will agree, only MGM would be able to handle 2 pletts. I thought that you are going to upgrade to LiPo and MGM.
-Even if you improve cooling for schulze, 2 pletts and such payload would cook it in no time when you hit brakes. You could do tests runs with your current ESC but lower you cell's count by half a least.
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Brushless Heavy Weight....
Offline
Posts: 1,954
Join Date: Sep 2005
Location: Kingsville, Ontario
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04.12.2008, 09:53 AM
I would recommend you use/get..
Bulldog 30Amp Power supply
2x 4S/5S 25C/30C 5000mAh/6000mAh Lipos
Hyperion EOS 610i DUO .. charge both packs at the same time, up to 6s.. maximum of 360 Watts!!!
right now, you're only limited by ur ESC.. can only pump out 97 Amps...
even better, you could just stick to 3700mah 25/30C lipos.. save even some more weight....
Last edited by aqwut; 04.12.2008 at 09:55 AM.
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RC-Monster Carbon Fiber
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Posts: 399
Join Date: Mar 2008
Location: Alpharetta,Ga
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trani repaired! -
04.12.2008, 11:26 AM
 ....no damage...the small hollow pins that hold the drive gears to the shaft sheared off!...thank goodness i also located the two small pieces inside the trani case...they were stuck to the sides...in tact and not smooshed flat by runing through the gears!...i will be switching to lipo this week before i blow out something big$$$!...i can shave almost 2 pounds right there,if it still is too heavy i will drop a motor!
I am sure i can find a new ride for a BIGmaxximum and a Schulze 18.97! 
i still need an exact part number for the exact LIPO batts to purchase,please?
i will be gettind the Hyperion duo charger!
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