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Old 02-21-2005, 02:10 PM
  #2041  
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Hey, my spur gear is a 75 tooth! so what pinion with a p2k2, and then what pinion with a monster stock?
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Old 02-21-2005, 05:37 PM
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BSchorr

The last time I was up there (the Rumble) I was running 102/34 in my tc3 with a monster. With 48 pitch I would start with a 75/25 maybe even a 24 tooth pinion with a monster and those tires in the photo. Go up 2 to 3 teeth for a p2k2.
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Old 02-21-2005, 05:50 PM
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Originally posted by lee
BSchorr

The last time I was up there (the Rumble) I was running 102/34 in my tc3 with a monster. With 48 pitch I would start with a 75/25 maybe even a 24 tooth pinion with a monster and those tires in the photo. Go up 2 to 3 teeth for a p2k2.
Hey, is this Homer Lee? ok, i have a 24 on it right now, i am running alittle slower then the pack, just by a hair, so like a 25,26 then?
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Old 02-21-2005, 05:51 PM
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Originally posted by Lost Aggresiva
Don't hold me to it, but I believe that every 0.010" off the comm is supposed to be like advancing the timing by a degree or so. Or something to that extent.
i think thats only for the mabuchi540 motors. silver can ones. regular motors will lose torque with smaller comms but will gain rpms. slightly for both
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Old 02-21-2005, 05:56 PM
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Originally posted by micros_rock
3 comm segments are in contact with the brushes 100% of the time. You get more power, but lose efficiency because the comm shorts out a fraction of the time.

This is called arc.Very bad thing for motors.You want to try to stop as much arc as you can.
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Old 02-22-2005, 06:25 PM
  #2046  
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BSchorr
Yeah this is Homer just keep going up a tooth until your lap times start to fall off.
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Old 03-02-2005, 10:31 AM
  #2047  
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Team Orion Core Stock RS 27T Rebuild Dyn Motor

SPECS: Battery Simulation at 7.2V

RPM: 25.678
Power Max: 105.7 W
Power Avg: 66.2 W
Efficiency Max: 58.7%
Efficiency Avg: 37.7%

That engine seems to be good...is it?
Thanks
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Old 03-02-2005, 12:39 PM
  #2048  
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Do you know what the amp draw is at certain input voltages like 5 volts? That is how I compare mine on the dyno. Im not sure about watts that must be off the manufacturer's label.

Also, just want to politely point out that they are called "motors" not "engines" ...electric cars have "motors" and nitro cars have "engines."
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Old 03-03-2005, 08:29 AM
  #2049  
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My Bad...Is that why when I put gas in my electric motor it starts a fire?
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Old 03-07-2005, 04:57 PM
  #2050  
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I just built a P2K2 with F brush's and used it on a small carpet track; it just plain rips. I was able to gear it 7 teeth higher than a monster; it has more bottom and top end. In fact it had so much more bottom end that I needed to change my sedan's setup to compensate for the insane weight transfer. I compared the P2K2 back to back with a monster; hands down the P2K2 out powered it. Now I need to try this motor on a off road track.
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Old 03-07-2005, 05:25 PM
  #2051  
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Default 4 mag Epic 'stock" motor

What is the current wisdom about the
Epic Binary 2 outlaw stock motor.

It does not seem like it is likely to be ROAR legal. It appears most people still prefer the Monster.

I have 3 of them and they seem to be noticebly better on the big fast tracks I like to run on than any of my other motors.
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Old 03-07-2005, 05:55 PM
  #2052  
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Default Re: 4 mag Epic 'stock" motor

Originally posted by imjonah
What is the current wisdom about the
Epic Binary 2 outlaw stock motor.

It does not seem like it is likely to be ROAR legal. It appears most people still prefer the Monster.

I have 3 of them and they seem to be noticebly better on the big fast tracks I like to run on than any of my other motors.
You have to gear these motor right, then they are screaming. Also, what size is your track? Try starting with purples on both sides and 767's. Gear 2 teeth lower than a monster ~ 7.16
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Old 03-07-2005, 10:50 PM
  #2053  
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Default Re: Re: 4 mag Epic 'stock" motor

Originally posted by micros_rock
You have to gear these motor right, then they are screaming. Also, what size is your track? Try starting with purples on both sides and 767's. Gear 2 teeth lower than a monster ~ 7.16
Francis,

You have pm.

thanks
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Old 03-08-2005, 04:35 AM
  #2054  
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Default brushes

kmorast-were did u get the F-brushes from? and wat springs were u running and on wat side did u run them on>?
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Old 03-08-2005, 04:48 AM
  #2055  
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Default P2k2

Originally posted by OVA
Hi Jesse
what do you want to lnow? Well the PK2 is a torque motor and you have to gears up 4 teeth in 64th pitch compare the MS. the PK2 it is the best stock motor in the history and the PK2 last longer and you get yout money worth...MS it is better for out door racing larger trtack..... lately the F brushes seem to works very well for the munster stock ....
When you sya gear up are you switching to a pinion 4 teeth bigger then you would use on a monster. Have you found that the purples are to heavy for the f-brushes.
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