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Old 10-14-2007, 10:01 PM   #16
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Originally Posted by BlackedOutREVO View Post
I just got that

So then why do they put the belt cars batts on the right?

There must be a reason
because the motor is on the right, and if the motor was facing the other way the car would go backwards when the motor was turning the correct way.
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Old 10-15-2007, 12:08 AM   #17
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The Warpspeed TC3 conversions had the motor on the left side and the batteries on the right.

The Diggity Design TC3/4 conversion has batteries on both sides. Room for 4 on the right and 2 on the left.
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Old 10-15-2007, 12:37 AM   #18
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Old 10-15-2007, 02:22 AM   #19
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The Alex Racing Barracuda R2 had the motor on the left side and cells on the right side...
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Old 10-15-2007, 02:24 AM   #20
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1st, motor rotate only counter-clockwise if you look from pinon to endball

2nd, you can't switch wire on motor, bcz if you do switch, you change timing from +24deg to -24deg

3rd, it doesn't matter for shafty to have motor on right or left, as long as motor is facing rear for rear gear on right. If you want motor facing front you need to revert front/rear gear as well.

4th, for belt, it's possible to have motor on right facing left without changing wire. However to do that you need to have additional gear to correct driving face. Also, even you do have additional gear to rever driving face, no one wanna do that bcz having counter-clockwise motor facing left will causing torqe front-lifting on accelration, which no one wanna do it.


If you see all the belt drive car, either it's center mount or left mount, front or rear, all belt's motor are facing right hand. That's bcz with counter-clockwise motor, when you accelrating, motor can will try rotate clockwise. Putting motor facing right will make that that force transfer to force to keep your car front down rather than lifting, help your on throttle control.
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Old 10-15-2007, 02:26 AM   #21
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Originally Posted by Funkymojo View Post
The Alex Racing Barracuda R2 had the motor on the left side and cells on the right side...
And it has a nightmare torque steering problem... LOL
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Old 10-15-2007, 02:34 AM   #22
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And it has a nightmare torque steering problem... LOL
Hahaha..yeah it sure does...need loads of setting up to get it right. Well almost all shaft cars suffer from torque steer in one way or another...That's why i've always preferred belt drive.
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Old 10-15-2007, 02:40 AM   #23
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Quote:
Originally Posted by BlackedOutREVO View Post
I just got that

So then why do they put the belt cars batts on the right?

There must be a reason
balance? batts (non-lipos) and motor might be the 2 heaviest electronic equipments on TC nowadays, you don't want to put them on the same side. and it's not possible to put the motor on the right for belted TCs.

still possible to switch motor position from right to left on shaft cars and change the direction of bevel gears. but yeah, 'torque steer nightmare'
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Old 10-15-2007, 10:49 AM   #24
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ttso, congratulations for your explanation.
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Old 10-15-2007, 11:30 AM   #25
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As has already been said, its all about the direction of rotation of the motor. If you look from the pinion end, the motor spins anti-clockwise. Therefore putting the motor in the right hand side of a belt driven chassis would result in the spur (and therefore the drivetrain) rotating backwards.

With a shaft car, you could mount the motor on either side of the car. However, if you put the motor in the left hand side of a shaft car, the pinion end would need to point forwards to achieve the correct drivetrain rotation direction (as the motor always spins anti-clockwise). Alternatively you could put it in the left hand side pointing backwards, and put the diff crown gears on the opposite sides of the bevel gear in the gearbox housings.

As far as I'm concerned torque steer has nothing to do with it; you'd get the same amount of torque steer with any of the shaft layouts described above. The reason the tc3, pro 4 etc... had the motor in the right hand side pointing backwards will have been purely for design purposes, and making the best use of the space available.

Thats why most cars are belt driven now; it eliminates torque steer as all the rotation is in the forwards/backwards direction. A shaft drive car will always try and twist under acceleration/braking due to the inertia created by the motor and drivetrain.

Shaft drive cars are actually more efficient, and are probably a better option for low power motors which dont cause torque steer problems.
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Old 10-15-2007, 11:40 AM   #26
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Quote:
Originally Posted by ttso View Post
1st, motor rotate only counter-clockwise if you look from pinon to endball

2nd, you can't switch wire on motor, bcz if you do switch, you change timing from +24deg to -24deg

3rd, it doesn't matter for shafty to have motor on right or left, as long as motor is facing rear for rear gear on right. If you want motor facing front you need to revert front/rear gear as well.

4th, for belt, it's possible to have motor on right facing left without changing wire. However to do that you need to have additional gear to correct driving face. Also, even you do have additional gear to rever driving face, no one wanna do that bcz having counter-clockwise motor facing left will causing torqe front-lifting on accelration, which no one wanna do it.


If you see all the belt drive car, either it's center mount or left mount, front or rear, all belt's motor are facing right hand. That's bcz with counter-clockwise motor, when you accelrating, motor can will try rotate clockwise. Putting motor facing right will make that that force transfer to force to keep your car front down rather than lifting, help your on throttle control.
That answers me

Quote:
Originally Posted by dodo View Post
balance? batts (non-lipos) and motor might be the 2 heaviest electronic equipments on TC nowadays, you don't want to put them on the same side. and it's not possible to put the motor on the right for belted TCs.

still possible to switch motor position from right to left on shaft cars and change the direction of bevel gears. but yeah, 'torque steer nightmare'
I didnt mean mootr and batts on the same side, I meant swapping motor and all that to the right, and batts to the left.... But I got that cleared up now
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Old 10-15-2007, 12:10 PM   #27
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Quote:
Originally Posted by Mark Stiles View Post
As has already been said, its all about the direction of rotation of the motor. If you look from the pinion end, the motor spins anti-clockwise. Therefore putting the motor in the right hand side of a belt driven chassis would result in the spur (and therefore the drivetrain) rotating backwards.

With a shaft car, you could mount the motor on either side of the car. However, if you put the motor in the left hand side of a shaft car, the pinion end would need to point forwards to achieve the correct drivetrain rotation direction (as the motor always spins anti-clockwise). Alternatively you could put it in the left hand side pointing backwards, and put the diff crown gears on the opposite sides of the bevel gear in the gearbox housings.

As far as I'm concerned torque steer has nothing to do with it; you'd get the same amount of torque steer with any of the shaft layouts described above. The reason the tc3, pro 4 etc... had the motor in the right hand side pointing backwards will have been purely for design purposes, and making the best use of the space available.

Thats why most cars are belt driven now; it eliminates torque steer as all the rotation is in the forwards/backwards direction. A shaft drive car will always try and twist under acceleration/braking due to the inertia created by the motor and drivetrain.

Shaft drive cars are actually more efficient, and are probably a better option for low power motors which dont cause torque steer problems.
Not true at higher speeds though
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Old 10-15-2007, 12:32 PM   #28
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a silvercan can go either side on a belt, because the motor runs the same bacwards as it does forwards.
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Old 10-15-2007, 12:39 PM   #29
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Well, motor on the left can still make the car go forward....only if the motor's end bell position is toward the back of the car. That mean, by saving all the space for servo, Rx and speedo...the motor location will be at the front.

Not the best way to place the motor, but motor on the left is do-able.
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