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Old 12-09-2008, 10:43 AM   #121
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has anybody run a 17.5 BL in this car yet?
I've ordered a 86t Spur 64p (the smallest I could find)
I think I'd need a 59t pinion to get to a 3.5 FDR?

anyone know if that will fit?

do they make smaller diameter 48p spurs?

Seems near impossible to get the right FDR with 64p gears.
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Old 12-09-2008, 05:44 PM   #122
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The smallest I can find is a Kawada 65T, which is equivalent to 86.6T on 64p.

Can you still access the motor screws with a 59T?
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Old 12-09-2008, 06:55 PM   #123
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PRS makes a 72t (64p) spur and pinions up to 65t. Do you need a rollout that high? We run around 4.00-4.25 with a 17.5.
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Originally Posted by Markus View Post
has anybody run a 17.5 BL in this car yet?
I've ordered a 86t Spur 64p (the smallest I could find)
I think I'd need a 59t pinion to get to a 3.5 FDR?

anyone know if that will fit?

do they make smaller diameter 48p spurs?

Seems near impossible to get the right FDR with 64p gears.
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Old 12-09-2008, 10:34 PM   #124
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thanks Core.

the fast guys at my local track said that they are all near a 3.5 FDR for the 17.5 class (non Tamiya chassis). They use around a 4.5 FDR for the TransAm class (21.5/Lipo)

I was just looking to get in the ball park to get ready for the TCS in March.
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Old 12-10-2008, 12:07 AM   #125
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hey guys... i'm interested in getting the TB03-IFS.. is there a center one-way for this?


also, would there be any chance that an R version would come out? thanks!


PS:

pls give any comment about the car to give me insights as to how the car performs.. thanks!
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Old 12-10-2008, 11:13 AM   #126
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Robinson Racing makes a 78t 64p (as well as a 81, 87, 93, 96) which works well since you can fit a 47t pinion for a FDR of 4.04.
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Old 12-10-2008, 01:11 PM   #127
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No an R version is not available yet and probaly not anytime soon but who knows. I pieced one together and The only things not available from Tamiya yet is a carbon fiber rear shock tower and carbon fiber chassis although you can get those parts from 3Race. The car handles fairly well for 17.5 although I haven't tried anything faster. The torque steer isn't noticeable although you do need to spend some time balancing the chassis especially if you run lipo.
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Old 12-11-2008, 11:16 AM   #128
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I know this sounds a bit odd, but it seems as though the TB-03 owners seem to be a bit tight lipped about the car, as compared to the TA-05. In 7 months there are only 5 pages. The Ta-05 thread consistently sees high traffic and posts. I suppose there could be less owners and fans of the TB-03, but the car looks as though it would perform well. Are people just trying to keep it hush hush because of the upcoming TCS? Let's get to the bottom of this. I hope to be buying one of these in the next month or so and intend to bring as much info to this thread as possible. Nothing Makes me happier than placing a $160 Ta-05 (minimal upgrades) in the top 5 of any qualifier or main. I hope to do the same with a tb-03!!--Al <--that's how I roll
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Old 12-11-2008, 11:38 AM   #129
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From my knowledge of talking with drivers, the TB03 is more of a finese car while the TA05 is a fling it around the corners car. I have heard in the lower speed motors (17.5 and slower...occasionally 13.5) the TB03 is the faster of the 2 for hot lapping. However, consistancy is key in racing and that is where the TA05 comes in. It doesn't require you to be perfect every lap to get the best out of the car, and it is easy to correct any mistakes.

Going through a corner:
- The TB03 does exhibit some torque steer as any shaft car will so you need to be a bit more precise where you get on the power, how fast you get on the power, and how you enter the corner to begin with.
- The TA05 has zero torque steer so a lot of times you can mash the throttle exiting the corner and get the tail to come around just so to get that good rotation through the corner

Another key is that until the official spool comes out (Evo 4 spools fit, but are hard to find) the car won't be nearly as popular as the TA05. For most of us, spool is the key and without an easily accessable spool, why get the TB03 right now? Hopefully it will be out in time for TCS, but I am doubting it this late in the year. i have also heard that the Evo 4 spool in the TB03 is easy to break if you bound over too many curbs, so you have to be even more careful when driving it.

So right now, the TA05 is the winner, but not because it is faster. it wins because it is easier to drive, no torque steer and has the go fast parts you need to win currently.

I am sure there are those who will argue that a bullit proof drivetrain is worth everything so you don't have to change belts, but the debate between shaft and belt drivetrain comes out then and we all know that enver ends.
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Old 12-11-2008, 05:12 PM   #130
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I have both, and am struggling to get the TB-03 to work with a 10.5 motor, and am down 2-3 seconds a lap due to it, I can put in A fast lap, but unlike the TA05, I can't string 5 minutes worth of fast laps.
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Old 12-11-2008, 07:28 PM   #131
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Will a spool help the TB-03 when running a mild motor setup like a 17.5 brushless, or is a spool more for running mod motors?
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Old 12-12-2008, 01:06 PM   #132
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Well after much deliberation, I have decided to refresh my TA05 with new ball cups, belts and a new set of shocks. I may have to wait for a tb03 for another time. The wife would $hit if I bought a new tb03 and a Slash! <--that's how I roll!
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Old 12-12-2008, 01:26 PM   #133
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i think the diff adjustment screw is same as tb-02 - a weak point.
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Old 12-12-2008, 01:48 PM   #134
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you can build a spool for the TB-03 by using the alum. diff halves and the header card. just built a diff normally but instead of using diff balls.. replace it with the header card. tighten down, wala! spool.
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Old 12-22-2008, 04:13 PM   #135
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I just got the aluminum suspension blocks in and how do I make them fit in the chassis besides doing some dremel work?
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