03-16-2003, 03:21 AM
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Epoch's R Bett'R
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Join Date: Jan 2003
Posts: 652
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Motor Voltage
Okay, not all motors respond the same. If you have a SUPERFLY motor in a single cell car, It may or may not be even SUPERFLY'er when you add cells.
Bench Test Results:
I put my Bitmod1 3.5 motor in my dual cell car. It ran almost as fast (and torque'ie) as my super torque clone in my TRIcell car. I put the 3.5 motor in my tricell car, and it sucked. It would hardly move.
What is my point? I decided to test ALL of my motors in ALL of my cars and see what the heck is wrong with this world. I have come to the conclusion that motors have a voltage curve. The more voltage you add, the better they run "TO A POINT".
I tested 3 green Zap motors, 5 yellow Bit motors, 1 orange Kitt motor, 2 pink (3.5) Bitmod1 motor, 1 3.0 LXX motor, and 6 other various clone motors.
I found out that the Bitmod1 motor runs fantastic with up to 2 cells. If I added more than that, it ran like crap. Same with the Bit 2.6. The so called "super torque" clones that I love so much run like crap if you use 4 cells. 3 is fine. The ZZ green motors run fantastic with as many cells as your PCB will handle. Though they're slow on the top end, they don't seem to have a voltage curve. (same with the yellow Bit motors)
Other findings: on a single cell car, my LXX 3.0 is slightly slower (top speed) than the Kitt 2.6. It has tons more torque, so take-off is fantastic, but top speed is not as much as the 2.6.
Last edited by chelboed; 03-16-2003 at 03:27 AM.
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03-16-2003, 02:30 PM
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Hulk smash!
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Join Date: Jul 2002
Posts: 2,193
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Lots of good info there chelboed, thanks.
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03-17-2003, 08:04 AM
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Chief Propeller Head
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Join Date: Jan 2003
Location: Melbourne, Australia
Posts: 269
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Chelboed, did the batteries make a strange humming sound when they hit the higher voltage? I know that a lot of DC motors when driven by too high a voltage can make this high pitched sound (like a kettle boiling.....). The speed of them drops to crap when this happens.
ph2t.
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03-17-2003, 09:48 AM
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Epoch's R Bett'R
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Join Date: Jan 2003
Posts: 652
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Yeah, I think I know what you're talking about. They definately sounded strange. It was like the rpm's jumped up for a micro-second, and then dragged down a bit.
No pun intended on 'micro-second and bit'. 
Last edited by chelboed; 03-17-2003 at 10:23 AM.
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03-17-2003, 11:25 AM
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Retarded Stunt Driver
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Join Date: Oct 2002
Location: Piksberg
Posts: 1,974
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hahaha 4 cells still cracks me up. wait til you see my next vid.
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