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-   -   Two Motor??? (http://tinyrc.com/forums/showthread.php?t=8912)

AUDI-TT 02-27-2003 08:10 PM

Two Motor???
 
WHATS a 2 motor or engine mod??? How does this work and post pics if possible

thnx
:D

AUDI-TT 02-27-2003 08:26 PM

PLZ
 
IS ANYONE GONNA HELP ME OUT

chelboed 02-28-2003 02:22 AM

I did a 2 motor mod on a 4 cell Zap one time. You just mount the 2nd motor up on top of the heat sink where it touches the connecting gear. It is a royal pain in the tail, and with 4 cells, it drew way too much voltage and fried my PCB. It was VERY fast and powerful for a few seconds, though. Sorry I have no pics.

I don't recommend this mod. One motore is fast enough if you get a good torqu'ie one.

AUDI-TT 02-28-2003 06:22 PM

THNX
 
thanx

NT-APEX 03-03-2003 12:54 AM

I've seen another guy with 2 motor.. he said the speed is the same, but with much better torque and acceleration.

chelboed 03-03-2003 10:48 AM

Ya... I would probably do it again, but only with 2 cells. 4 was way too much voltage with the added draw from the 2nd motor, it made a little part of my PCB glow bright orange before frying it.

strakka 03-03-2003 07:45 PM

heres a site on how to do a dual motor mod. though i've never dont it my selfhttp://portfolio.fdu.edu/wsc/fabian/dualm.jpg

bwsk8 03-03-2003 09:38 PM

I wonder if you could use three R-spec motor with three batteries. Imagine the speed, torq, and run time.

chelboed 03-04-2003 08:53 AM

Quote:

Originally posted by strakka
heres a site on how to do a dual motor mod. though i've never dont it my selfhttp://portfolio.fdu.edu/wsc/fabian/dualm.jpg
That's a cheezy way to do a 2 motor mod. The cleanest and nicest looking way is to solder the second motor to the back end of the heat sink. You need to slot and bend it down in the back. This way, you don't even need to run extra positive wire to it. you are already getting it through the sink. It just looks better too.

But listen to me...

I have more power and torque than I know what to do with by just using a single torque'ie motor and 3 cells. (std. ones) All that extra crap is reduculous.

Pay attention here!!! The more motors you add, the more draw you add. With 2 motors and 4 cells, I melted my PCB. 3 motors and 3 cells would SURELY melt it. Too much voltage draw. I can do a 4 cell mod with no problem, but adding motors is what killed my board.

AUDI-TT 03-04-2003 05:46 PM

thanx a lot guys... hey i just finished puttin onne of those custom pen tip exhaust man it looks sweeeeet i plan on doing a two cell soon too, so after all two motor mod just plain stinks? Thanx

chelboed 03-04-2003 08:53 PM

2 motors with 2 cells may fair just fine. I think 2 motors with 3 cells might cause you to have a little fire hole, though. I may be wrong, but I just don't wanna chance it again. With a Zap, 2 cells is a bare minimum for me. Hey, if you're going to the trouble of adding an extra, you may as well add 2 extras. It's sooo impressive to see that little 2 1/4 inch car scoot along at 7.5 mph!

strakka 03-04-2003 08:58 PM

yeah that is the chessiest way to do a dual motor mod. thats not how i did it though. if you look at bit mod1.com you can see how i did it. that s not my car thats just how i did it.:D

mobokseven 03-04-2003 09:54 PM

holy crap! I thought I was the one that came out with that dual motor layout! mine is very similar. Now I'm bummed


And why is that cheesy? It takes a lot of thought and time to do something like this. Not all of us have the machinery to build some fancy schmanzy aluminum (or some other exotic material) motor adapter plate. I tried to make one but the only problem is I did'nt have the right tools.


I'm no joe millionaire

chelboed 03-04-2003 11:53 PM

It's a good mod, there's just an easier and better way to do it. Just bend the back of the heat sink down, and solder the motor to the top of it. VERY clean, and no need for an extra positive wire.

I just don't see much need for a dual motor car if I have a motor with alot of torque and 3 cells.

Didn't mean to step on your toes, Joe millionaire.:D


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