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Old 08-17-2007, 10:44 PM   #3691
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i just finished building my tc5 and have a couple questions......
if i want to change my spur to a 64 pitch...firstly is it possible, secondly how many teeth for the 64 pitch and what pinions would i need for that conversion,,,,,if i kept the stock pitch i think 48...what size pinions would i use.....thats all for now i guess

thanks

Mike
going to 64P is easy. Just pick your gear and mount it back up. As far as pinions go it all depends on what motor you are running. It will be a little hard to give you suggestions until then.
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Old 08-17-2007, 10:55 PM   #3692
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Originally Posted by factory racer View Post
i just finished building my tc5 and have a couple questions......
if i want to change my spur to a 64 pitch...firstly is it possible, secondly how many teeth for the 64 pitch and what pinions would i need for that conversion,,,,,if i kept the stock pitch i think 48...what size pinions would i use.....thats all for now i guess

thanks

Mike
To convert one pitch gear to another just use this formula:

87t (48dp std spur) divide by its pitch (48dp) and multiply by the pitch you wish to use (64dp) = 116t

This will work for any conversion of spurs, 32, 48 and 64 dp spurs and pinions.

Hope this helps,

- Leonard.
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Old 08-18-2007, 02:11 PM   #3693
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Are there any benefits of going to 64p? Lots of people seem to be asking about it...
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Old 08-18-2007, 03:32 PM   #3694
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Under hard braking I get a high pitched chatter that doesn't vibrate the car (or seems not to).... just sounds like old rusty disk brakes. I thought that the belt was slipping so I changed the belt to a brand new one. I can't make the same sound when the wheel are not under a load. It goes away as the car slows. I am new at belted cars... any ideas?

I rechecked the diff tightness... 1/8th out in front and 1/4 out in the rear.... diff action seems fine.
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Old 08-18-2007, 05:56 PM   #3695
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1st time on rubbers with a modified.Any ideas on a start point for gearing a 13turn double.Just a ballpark at least.Thanks,Mario.BTW...using 64pitch.Got a 114 and a 109 spur.
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Old 08-18-2007, 09:13 PM   #3696
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Are there any benefits of going to 64p? Lots of people seem to be asking about it...
With 64p gears you can get a "finer" gear ratio, or another way to put it is that there are more available ratios. I use them because I used to race 1/12th scale alot and they are also more efficient then 48p. The downside is 48p is more durable than 64p.

Steve
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Old 08-18-2007, 09:18 PM   #3697
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I've been running a TC-5 for a couple months now. By far it is more durable than my old RDX. I have worked out some issues as normal. I am very pleased with the car. I switched to the Tamiya Flourine coated shocks today wich made a world of difference. They are a bit shorter but you can make up for it by unscrewing the ball caps on the end by about 3 threads AND the associated springs work perfectly. I am very impressed. 13.5 bl rubber tires on asphalt.. I love it. I had to rebuild my first diff tonight after racing. I have ran the same diffs for 2 months now with one rebuild. I can't wait for the aluminum diffs to come out though. Great car.
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Old 08-18-2007, 09:41 PM   #3698
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car was pretty good today. Very easy to drive and the rear end was planted. WCSO is tomorrow and I like my chances in mod. Should be pretty fun. The car is a caddy. Add a pimp hat and a pinky ring and you're set....LOL
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Old 08-18-2007, 11:30 PM   #3699
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What weight shock il is recommended for med grip asphalt onm rubber tyres.

Cheers
Aaron
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Old 08-19-2007, 04:57 AM   #3700
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Quote:
Originally Posted by zacabrandy View Post
What weight shock il is recommended for med grip asphalt onm rubber tyres.

Cheers
Aaron
you will find that most people prefer 40 wt and #2 pistons, or 30 wt with #3 pistons.
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Old 08-19-2007, 05:26 AM   #3701
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I went with 35wt and #2 pistons. I will try the 40wt today though.
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Old 08-19-2007, 06:59 AM   #3702
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has any body ran the car box stock on asphalt? everything i read says it is set up for carpet out of the box.
chris
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Old 08-19-2007, 07:08 AM   #3703
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Originally Posted by chrisw View Post
has any body ran the car box stock on asphalt? everything i read says it is set up for carpet out of the box.
chris

Hi Chris,

I ran the car absolutely 'stock' setup on asphalt and it was not the best. Best to try this as your 'base asphalt rubber tire setup' and go from there (depending on your class, track and driving style).

Check out my write-ups on Action R/C:

First impressions

Work in progress

51's Base rubber tire setup:
Front
#2/40wt/Gold
#3-B Mounting Holes
Standard Wheelbase
4 Caster
#3 Link
Diff Mid High
Arm Mount 2-A
1-A Steering Link

Rear
#2/40wt/Silver
#2-B Mounting Holes
Standard Wheelbase
1 Deg Hubs
#3-A Link w/ 2mm shim
Diff Mid Low
Arm Mount 2-A

General
ITF Chassis & Top Deck
Spool In the Front (not available yet)
5mm ride height
Mazda 6
Belts Standard to Loose settings
No Sway Bars



Here is a link to a track I race/practice on (Brendale-Australia) - Winterchamps 2007 (my car is the yellow and black one)

Hope this info helps.

-Leonard.
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Old 08-19-2007, 07:14 AM   #3704
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Originally Posted by B4Bandit View Post
Are there any benefits of going to 64p? Lots of people seem to be asking about it...

Hi Warrick,

Pros:
more ratios
finer adjustment

Cons:

can be easily damaged

There are no real discernable differences between 64 and 48 pitch. It's really a matter of personal preference. Just make sure which ever one you choose, that:

1. you mesh it correctly
2. spurs spin true (I like and prefer the machined delrin spurs -RW and Robinson Racing)

Hope this helps.

- Leonard.
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Old 08-19-2007, 09:32 PM   #3705
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Originally Posted by DirtyDog3375 View Post
To convert one pitch gear to another just use this formula:

87t (48dp std spur) divide by its pitch (48dp) and multiply by the pitch you wish to use (64dp) = 116t

This will work for any conversion of spurs, 32, 48 and 64 dp spurs and pinions.

Hope this helps,

- Leonard.
awsome formula,,,but what do i do for pinions????? i got the 116 tooth spur but what pinions now...is their a formula for that?
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