Tamiya TB-03
#406
Tech Addict
iTrader: (3)
maybe I don't need such a low ratio. My duo17.5 temps at about 145F at 4.5 on my 416. So I am thinking maybe around a 4.3 will do on my TB03. A 82T spur with a range of 43-47 will get me in the 4.65-4.25 which is just right. Actually, the setup is not all that different from my 416 other than the camber link/roll center heights. There's no time to test it before the race so we'll see what it can do!
Yeah I think you are right about the gearing, should get you right where you want performance wise. Duo I usually get to 170-180 on big tracks cause they handle heat pretty well.
Well hey, goodluck at the race and hope you make them eat shaft!
#407
Tech Addict
iTrader: (3)
Got a question for all the TB 03 drivers.
Read a lot of feedback on the TB03 and I'm impressed. I'm looking for a new Tamiya car right now. I'm driving the TT01E with hops ups. Doing great but want some more. Next year I'm planning to race the GT2 class.
The "problem" is I cant seem to choose between a TB03 or a TA05 V2. So I'm looking for some advise here.
Havent read a lot of feedback on the V2 yet . But that will start hopefully soon.
Thanx
Read a lot of feedback on the TB03 and I'm impressed. I'm looking for a new Tamiya car right now. I'm driving the TT01E with hops ups. Doing great but want some more. Next year I'm planning to race the GT2 class.
The "problem" is I cant seem to choose between a TB03 or a TA05 V2. So I'm looking for some advise here.
Havent read a lot of feedback on the V2 yet . But that will start hopefully soon.
Thanx
That is just my opinion on some of the differences. Hope it was enough to help you out. Another thing to think about is that since you already have been driving a shaft car, going to the TB03 will be a seamless switch for you. But if you have never driven a belt drive, you really need to before you buy your next car. That way you can be fair to both chassis's and be fair to yourself too
#408
Tech Addict
iTrader: (3)
I've had the back suspension arm ripped out on 2 occasions, after overcooking high-speed corners and brushing the side of the car against the barriers. Argh! I have the essential hop-ups - the entire drive-train is alum, as are the suspension mounts (I'm hoping these will hold the arms better in case of future accidents...), and the steering linkages.
You know that was something I was going to go into detail with later, the aluminum blocks will actually bend EASIER in this car that a carbon fibre car because of all the flex in the chassis. Until you get better at driving I would go back to plastic suspension blocks. They usually won't hold a tweak like the aluminum ones will if you smack something hard. Either that or get the carbon tub chassis from Tamiya. That will be my next upgrade.
#409
Tech Addict
iTrader: (3)
Timmie,
I raced last weekend at GB in my full TCS trim.
*side note* I've been struggling finding a setup for my all over the place driving style. I haven't found one that lets me drive hard comfortably but I can get it around the track decently.
On this day I could not get the car to turn-in. (my fault, too much kickup and high roll center. I was racing on a uber traction track the week before and didn't think to change it)
notes:
Luckily Randy raced the GT2 class so I could guage what the fast guys would run, he was in TCS trim also.
the traction is not bad, probably above average ol' parking lot (they soda up the driveline).
I was geared at 80/38 LRP motor, Tekin RS, temped all day around 170 (i had no turn-in so used brakes) I had good rip coming out of the corners but the Xrays, TC5s, etc. would start to pull away halfway down the straight. I'm thinking I need to go to a 80/41 or so if I can get the turn-in I want without brakes) I used B3's. but I think A's would have been better since it wasn't that hot out. This will vary of course depending where the sun is.
I'll try it again this saturday for their club race before TCS.
I raced last weekend at GB in my full TCS trim.
*side note* I've been struggling finding a setup for my all over the place driving style. I haven't found one that lets me drive hard comfortably but I can get it around the track decently.
On this day I could not get the car to turn-in. (my fault, too much kickup and high roll center. I was racing on a uber traction track the week before and didn't think to change it)
notes:
Luckily Randy raced the GT2 class so I could guage what the fast guys would run, he was in TCS trim also.
the traction is not bad, probably above average ol' parking lot (they soda up the driveline).
I was geared at 80/38 LRP motor, Tekin RS, temped all day around 170 (i had no turn-in so used brakes) I had good rip coming out of the corners but the Xrays, TC5s, etc. would start to pull away halfway down the straight. I'm thinking I need to go to a 80/41 or so if I can get the turn-in I want without brakes) I used B3's. but I think A's would have been better since it wasn't that hot out. This will vary of course depending where the sun is.
I'll try it again this saturday for their club race before TCS.
What blocks are you running in the front? What you are complaining about is exactly what I saw when I first drove the car. I drive pretty aggressive so I feel you on the frustration of having a car too planted. I have noticed that weight transfer with this car is a little weird. Not bad, just different.
I have no experience with LRP motor other than knowing they can take some crazy overheating and still work lol. Me and Jimmy Mac have seen a local guy get one to 280F, let it cool off and went right back out for the next qualifier What was your motor timed at? If it wasn't advanced, you might want to try the same gearing as before and just try it out. That way you got low end pull and still gain some up top.
Me and my friend Laurie will be up in MD friday night. So I'm sure to run into you Saturday. I called up there they said it was just a practice day, but whatever is clever. Let me know if I can help you at all with your car. See ya then
#411
Tech Addict
iTrader: (3)
If you are running a brushed stock motor they have a good amount of drag when you let off. If your speed controller has a adjustment for drag brake turn it down to zero and try it out. If it is still oversteers adjust your throttle EPA on your radio so the car will slightly roll when in neutral. If this doesn't solve it either your setup needs work or you need to try turning your dual rate down on the steering.
on power I need to know what diff type you are using on the front.
#412
Tech Addict
iTrader: (3)
But I can't wait to try one out because it is stiffer. That is my reason for wanting it. Plastic works well for low to mid traction, but in high traction it absorbs too much and hurts how fast the car rotates. Go to stiff on the setup and the car gets wishy washy, etc etc. Idk, I will order one when I get back so I can try it out on the crazy indoor asphalt track at the Coliseum.
#413
Tech Lord
iTrader: (26)
Sorry the carbon tub didn't do the trick for you.
But I can't wait to try one out because it is stiffer. That is my reason for wanting it. Plastic works well for low to mid traction, but in high traction it absorbs too much and hurts how fast the car rotates. Go to stiff on the setup and the car gets wishy washy, etc etc. Idk, I will order one when I get back so I can try it out on the crazy indoor asphalt track at the Coliseum.
But I can't wait to try one out because it is stiffer. That is my reason for wanting it. Plastic works well for low to mid traction, but in high traction it absorbs too much and hurts how fast the car rotates. Go to stiff on the setup and the car gets wishy washy, etc etc. Idk, I will order one when I get back so I can try it out on the crazy indoor asphalt track at the Coliseum.
ill be testing mine at our indoor asphalt track fairly soon.
#414
Tech Master
iTrader: (93)
What do they use for track barriers there? Also, what are the laptimes for cars in 17.5 there? I know they layout changes probably but just so I have a idea of size.
What blocks are you running in the front? What you are complaining about is exactly what I saw when I first drove the car.
What blocks are you running in the front? What you are complaining about is exactly what I saw when I first drove the car.
I can't remember the fastest lap but laps were 15 to 16 second laps for 17.5
I'm running A/XA. I broke the front XA so I used a 415 A.
Do you think switching to the C/C blocks will help with car's turn-in?
Last edited by Markus; 07-22-2009 at 07:55 AM.
#415
Tech Apprentice
Haha you sound like me, wanting to go too fast But hey I respect that, you got the guts to just go for it 5.5 turn with 2 cell lipo? If so yes, that is a lot of power to try to drive. If you only have the 5.5 to run, go to 5 cell NIMH, or turn down your EPA for throttle to slow it down some till you get used to it/get suspension sorted out. Oversteer is probably from too much power and not being smooth enough with the triggerfinger. Push at high speeds are probably coming from too high of speeds! LOL! But it can be done with the car, just would need a good setup... But it would be hard...shaft cars are very hard to drive in mod. Belt cars really are the best way to go for powerhandling and smoothness.hmmm I got a 4 turn SP motor maybe I will try in a couple of weeks in the TB
You know that was something I was going to go into detail with later, the aluminum blocks will actually bend EASIER in this car that a carbon fibre car because of all the flex in the chassis. Until you get better at driving I would go back to plastic suspension blocks. They usually won't hold a tweak like the aluminum ones will if you smack something hard. Either that or get the carbon tub chassis from Tamiya. That will be my next upgrade.
You know that was something I was going to go into detail with later, the aluminum blocks will actually bend EASIER in this car that a carbon fibre car because of all the flex in the chassis. Until you get better at driving I would go back to plastic suspension blocks. They usually won't hold a tweak like the aluminum ones will if you smack something hard. Either that or get the carbon tub chassis from Tamiya. That will be my next upgrade.
I'm using 6-cell Nimh batteries, but yeah, for now I've turned my EPA down to about 90%. 80% is more comfortable, but the speed is addictive though The first track I ever went to was frequented by guys running nitro, and my friend and I just sort of took those cars' speed as some sort of benchmark. We were using kit silver cans then, and the nitro cars just seemed jaw-droppingly rapid
Ohh....wish I had known about the alum bits being even easier to bend BEFORE getting them. Ah well...I'll probably get the carbon-reinforced tub, but I hear carbon-reinforced parts are brittle and hence easier to break?
5.5T is way too much motor for this car. i think this car works best in 17.5 with 13.5 near its limit. anything more and the car will be out of its comfort zone. try a 17.5 motor...and you'll notice a huge difference.
your high speed understeer/low speed over steer might be a product of the motor.
your high speed understeer/low speed over steer might be a product of the motor.
I know any one who's serious about speed uses protoform bodies. I'm sticking with the tamiya NSX body though (kit wing replaced with a proper racing wing) just because it is sooo much prettier. Would doing that be much of a compromise?
#416
Tech Master
Sorry the carbon tub didn't do the trick for you.
But I can't wait to try one out because it is stiffer. That is my reason for wanting it. Plastic works well for low to mid traction, but in high traction it absorbs too much and hurts how fast the car rotates. Go to stiff on the setup and the car gets wishy washy, etc etc. Idk, I will order one when I get back so I can try it out on the crazy indoor asphalt track at the Coliseum.
But I can't wait to try one out because it is stiffer. That is my reason for wanting it. Plastic works well for low to mid traction, but in high traction it absorbs too much and hurts how fast the car rotates. Go to stiff on the setup and the car gets wishy washy, etc etc. Idk, I will order one when I get back so I can try it out on the crazy indoor asphalt track at the Coliseum.
#418
Like I said to someone earlier really try to drive one, or something similar so you can see and feel the difference for yourself. If you just plan on using stock/17.5 motors you'll like either car just fine. TA05V2 has a little more weight shifted forward because of the battery being moved forward in the V2. So that car might have a little more steering out of the box than a TB or standard TA. TA05 will get pepples from time to time in the pulleys and spur gear that you have to pick out. TB03 has a completly enclosed drivetrain, no little pebbles can mess up your drivetrain. TA05 will be a little smoother in initial throttle and braking, TB03 will be a little quicker in acceleration and brake response. TA05 is very quite on the track, TB03 shaftdrive has a distinct "whine" at high speeds that I LOVE!
That is just my opinion on some of the differences. Hope it was enough to help you out. Another thing to think about is that since you already have been driving a shaft car, going to the TB03 will be a seamless switch for you. But if you have never driven a belt drive, you really need to before you buy your next car. That way you can be fair to both chassis's and be fair to yourself too
That is just my opinion on some of the differences. Hope it was enough to help you out. Another thing to think about is that since you already have been driving a shaft car, going to the TB03 will be a seamless switch for you. But if you have never driven a belt drive, you really need to before you buy your next car. That way you can be fair to both chassis's and be fair to yourself too
That's some real good advise I can use. I was sure enough to help me out.
I never drove a belt drive before so gonna hae to look for one to drive on a track
Thanks again
JD
#419
Tech Addict
iTrader: (3)
Track barriers are 1X4's bolted together. They use plastic 'flapper' piece at the apex.
I can't remember the fastest lap but laps were 15 to 16 second laps for 17.5
I'm running A/XA. I broke the front XA so I used a 415 A.
Do you think switching to the C/C blocks will help with car's turn-in?
I can't remember the fastest lap but laps were 15 to 16 second laps for 17.5
I'm running A/XA. I broke the front XA so I used a 415 A.
Do you think switching to the C/C blocks will help with car's turn-in?
No I don't think so, going C/C in the front should actually decrease turn in if you were using A/XA before. I switched to C/C front because it made the car feel a little more stable in high speed chicanes with no sway bars. I don't mind giving you a hand Saturday, its easier when I can actually see what the car is doing. But in the mean time, you might want to try running a little anti-dive up front to reduce castor, maybe more droop in the rear, toe out the front...idk there are a lot of things you could try just depends on what your using now for setup. PM me if you would like
Last edited by Timmie; 07-22-2009 at 02:30 PM.
#420
Tech Addict
iTrader: (3)
Thanks all for the replies!
I'm using 6-cell Nimh batteries, but yeah, for now I've turned my EPA down to about 90%. 80% is more comfortable, but the speed is addictive though The first track I ever went to was frequented by guys running nitro, and my friend and I just sort of took those cars' speed as some sort of benchmark. We were using kit silver cans then, and the nitro cars just seemed jaw-droppingly rapid
I'm using 6-cell Nimh batteries, but yeah, for now I've turned my EPA down to about 90%. 80% is more comfortable, but the speed is addictive though The first track I ever went to was frequented by guys running nitro, and my friend and I just sort of took those cars' speed as some sort of benchmark. We were using kit silver cans then, and the nitro cars just seemed jaw-droppingly rapid
...I guess it's a little disappointing that a 13.5T is about all the TB03 can handle, but I guess that's if lipo is being used? Would it follow then, that if I use NimH batteries it should be able to handle a slightly lower-turn motor? My friend actually runs a 9T in his TT01E (somehow!). I'm thinking if I switch over to a similar motor we can finally compete/bash on a level basis and we'll be able to see just how much faster the Tb03 is compared to a TT01E
I would stick with the NSX I think it would be fine and like you said it looks cooler hehe. But the Protoform TC bodies would be more stable I'm sure. Why not get a Protoform Corvette body? They look cool and have good downforce. Tamiya makes a nice vette body as well, and its more realistic
Last edited by Timmie; 07-22-2009 at 02:41 PM.