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Old 09-18-2007, 11:35 AM   #1
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Default Pinion/spurs?

What is the best pinio/spur combo choice for my setup??? Need help from the experts............

I have a rc12L3 pan car, goin to get the CO27 pro and I was wondering what would be my best choice and y?
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Old 09-18-2007, 12:29 PM   #2
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need help please???
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Old 09-18-2007, 12:37 PM   #3
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... You're new to forums aren't you?

The best pinion/ spur gears are up to you. Depending on how much torque and top speed you want. Knowing you so far, it sounds like you're going to want major top speed with torque. So your best bet is to gear it up as high as possible. I am not familiar with the pan car you have, but I know the Co-27 Pro stock (Make sure you get the PRO version. This is dyno tested and all that jazz) and it is an AWESOME stock motor. I have one myself.

People are going to ask you what you what kind of racing you do, and where you race. Though, judging by the way you asked it, you'll be driving like me in driveways and parking lots, so you can gear it up.

When I say gear up, I mean use a high pinion gear (on motor) and low spur gear (to the drivetrain). This will create a great amount of speed, and the torque from the motor is pretty good.

If you read anything from this post, read this: Experimentation is the only way to find out the best setup. Sure you can ask everyone on this forum for their competitive racing setups, but it probably doesn't fit your style of racing.

Experiment.
Notice what happens to your car with different setups. WRITE IT DOWN.
See what works, and what doesn't. You are going to need patience to do this hobby... and all the experts you'll see are that way because of their patience, and experience.

Who knows, maybe you'll be the next Steve Weiss...

If you have any more questions about things, (which I am sure you do. Everyone always has questions ) just post em here. I know few people post in these kind of topics, but I'll surely check on it when I see it. Though, I have a TT-01 and am not familiar with your chassis.
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Old 09-18-2007, 06:54 PM   #4
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does high mean more teeth and low mean less teeth or what, i know alot about rc's but i suck with these damn gear stuff, yes im looking for top end and torque by the way
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Old 09-18-2007, 06:57 PM   #5
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Like he said it depends on what kind of racing or just bashing your going to do. 64 pitch or 48 pitch and how big is the track if your going to race? Your going to get lots of answers! I'm running an 84 spur 64 pitch with a 28 pinion on asphalt. Small track and it gets around fine.
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Old 09-18-2007, 07:57 PM   #6
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Yes. High= high teeth. Low= low teeth.

Again, what kind of racing?
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Old 09-18-2007, 08:35 PM   #7
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On-road carpet is what im racing, track is about 20x30, it might be alittle bigger, but its onroad course, is that any help
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Old 09-19-2007, 12:40 AM   #8
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Help
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Old 09-19-2007, 01:30 AM   #9
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IT will also depend on you tire diamater too. If you tires are pretty new, and uncut. I would go with an 88 spur and start with a 26 pinion. and go from there. not actully know the tire diameter it kinda hard to give yoiu a gearing. we use a roll out to figure what gearing we like. As the tires will wearig down we adjust the gearing.
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Old 09-19-2007, 02:43 AM   #10
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ok so then whats the difference between a 64 pitch and 48 pitch, this whole gearing stuff is so confusing to me
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Old 09-19-2007, 09:23 AM   #11
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gear pitch seems very....complicated...well it did when i first thought about it...but it aint....its really simple.....

the amount of teeth that can fit in an inch.......basically.....so 48 pitch means u can get 48 teeth...in an inch....32 pitch...32 teeth in an inch....and so on
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Old 09-19-2007, 09:30 AM   #12
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Read the 12th scale thread and do a search on "rollout" or "roll out"
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Old 09-19-2007, 09:36 AM   #13
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Usually beginners run 48 pitch and expert drivers run 64 pitch.

48pitch has bigger teeth, easier to mesh and can be harder to strip.

64pitch has fine teeth, harder to mesh and easier to strip/break teeth.

Usually if you go up a tooth in 48 pitch you will probably go up 3 or 4 teeth in 64 pitch to get the same gearing ratio.

If you crash alot 48 pitch is more forgiving that 64 pitch.

Just trying to answer your question, not trying to define, where you are at in RC.
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Old 09-19-2007, 10:55 AM   #14
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now lets say i got a 104t 64pitch, how do u know what pinion to get that matches?
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Old 09-19-2007, 01:46 PM   #15
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i guess you are racing 1/12 scale ,,,, start of with a 100 spur and a 28 pinion
also you have to keep in mind tire size ,,,, what diameter are you cutting your tires , that will give a roll out = how far forward you car is going to move per motor revolution or (rpm). your best bet is to find out or talk to your local guys racing 1/12 scale what are they using for set up and always look up for the fastest guy in track......... good luck
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