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Old 04-10-2011, 02:37 AM   #2611
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Originally Posted by spencehotbodies View Post
Hello

Have fitted the tcx gear diff, have noticed the belt tightness changes when rotated by hand, any idea?
mine's like that also.
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Old 04-10-2011, 05:55 AM   #2612
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Mine got no issue. I even had to increase the tightness to prevent skipping.
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Old 04-10-2011, 06:15 AM   #2613
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ever consider trying yokomo diff oil? dot4 1200 and dot5 1600?
I'm not sure I'd use anything thicker than 1k hence i think 800 is the other option I would use although I will probably get dot 4 just to try it out and see what it does. Do you know if yokomo do dot 1,2 and 3 and what the rating of these are?
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Old 04-10-2011, 09:58 AM   #2614
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I know a bunch of people have complained about slop in the steering system. I played with mine yesterday and was able to completely eliminate it with 4 small shims.
The first shim is a 4mm .02 thick on the steering post itself. It eliminates the up and down slop.
The other shims are a 3/16th shim I think. Very thin. If you look at the alum piece that connects the two bellcranks, there is a small lip that goes towards the bearing side. This shim fits around the lip and when bolted on, eliminates the slop there.
I will take some pictures today and post tonight.
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Old 04-10-2011, 07:03 PM   #2615
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Default 3.5 FDR

What gearing combination should I use to achieve 3.5 FDR? RCGT
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Old 04-10-2011, 07:13 PM   #2616
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What gearing combination should I use to achieve 3.5 FDR? RCGT
8.0-9.5 maybe higher... 115 spur 21-28 pinion. i wouldn't go any higher than a 28 as this brings the fdr into the 7's.(64 pitch gears)
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Old 04-10-2011, 07:20 PM   #2617
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8.0-9.5 maybe higher... 115 spur 21-28 pinion. i wouldn't go any higher than a 28 as this brings the fdr into the 7's.(64 pitch gears)
RCGT is a 17.5 blinky class. So a 9.5 would make it run slower than a stock mini cooper. I guess you thought he was asking for gearing for a 3.5 motor. RCGT at floyd would be miserable with that straight away.


Bubblehead: (spur/pinion)* internal ratio= FDR.. so just do the calculations and you'll be there. I believe the IR is 1.95 for the tcx. Sorry i run 40 tooth pullies so my IR is different.
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Old 04-10-2011, 08:34 PM   #2618
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RCGT is a 17.5 blinky class. So a 9.5 would make it run slower than a stock mini cooper. I guess you thought he was asking for gearing for a 3.5 motor. RCGT at floyd would be miserable with that straight away.


Bubblehead: (spur/pinion)* internal ratio= FDR.. so just do the calculations and you'll be there. I believe the IR is 1.95 for the tcx. Sorry i run 40 tooth pullies so my IR is different.
Thanks, I know the math. I didn't want to buy a lot of spur gears to find the right combination.
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Old 04-10-2011, 08:52 PM   #2619
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Thanks, I know the math. I didn't want to buy a lot of spur gears to find the right combination.
if this helps i ran a 96 spur to a 50 pinion it = 3.7 fdr so mabe a 51 or 52 pinion
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Old 04-10-2011, 11:57 PM   #2620
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Thanks, I know the math. I didn't want to buy a lot of spur gears to find the right combination.
try here - http://cell.sixfoottiger.com/

a buddy of mine did that site, works from a PC or phone...handy little web app - click the link for FDR

he's also got a freebie for an android, if you got one of them...check out tigeryan in the andriod market
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Old 04-11-2011, 04:54 AM   #2621
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Quote:
Originally Posted by Jerry P View Post
RCGT is a 17.5 blinky class. So a 9.5 would make it run slower than a stock mini cooper. I guess you thought he was asking for gearing for a 3.5 motor. RCGT at floyd would be miserable with that straight away.


Bubblehead: (spur/pinion)* internal ratio= FDR.. so just do the calculations and you'll be there. I believe the IR is 1.95 for the tcx. Sorry i run 40 tooth pullies so my IR is different.
I thought he meant fdr for a 3.5 motor... ooops
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Old 04-11-2011, 05:00 AM   #2622
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I'm not sure I'd use anything thicker than 1k hence i think 800 is the other option I would use although I will probably get dot 4 just to try it out and see what it does. Do you know if yokomo do dot 1,2 and 3 and what the rating of these are?
Dot 1 #650
Dot 2 #800
Dot 3 #1000
Dot 4 #1200
Dot 5 #1600
Dot 6 #2100
Dot 7 #3000

Anyone else tried?
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Old 04-11-2011, 05:19 AM   #2623
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Hello guys,

I have a TCX and TC cars, and the both have a litle problem with aluminium CVD, it easily broke. Do you know any trick to fiz it? some guays told me to use tamiya steel CVD with blades.
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Old 04-11-2011, 02:54 PM   #2624
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if this helps i ran a 96 spur to a 50 pinion it = 3.7 fdr so mabe a 51 or 52 pinion
Thanks, some of the combinations I tried I kept stripping spur gears.
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Old 04-11-2011, 06:26 PM   #2625
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Hello guys,

I have a TCX and TC cars, and the both have a litle problem with aluminium CVD, it easily broke. Do you know any trick to fiz it? some guays told me to use tamiya steel CVD with blades.
The TC has the heavy duty steel 44mm shafts.. and the TCX has the HPI pro-d 46mm steel shafts..
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