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Old 06-27-2012, 08:05 PM   #2071
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Well, we took the durability question to the extreme today, no gearing changes whatsoever, put my new 2S lipo in with the 3000kv 380sized leopard kit....and it was fast....but...there was a 3S lipo sitting there....
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Old 07-16-2012, 12:06 PM   #2072
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Originally Posted by jhwnissan View Post
Second... The main gear will need an adaptor. This is the FF-03 gear adaptor that has had the center drilled out to fit the TT-01 shaft. I also took a pin to put in there and shaved it to perfectly fit the width of the shaft. This is VERY important as your gear goes over the top of the pin and helps hold it in. First you put the gear on, then slide the adapter, then slide the pin in... then you attach the gear to the adapter. It sounds complicated but works pretty easily once you get the parts.
Is there any shimming required with the FF-03 spur adapter to get the rear diff to mesh properly?
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Old 07-16-2012, 12:09 PM   #2073
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Is there any shimming required with the FF-03 spur adapter to get the rear diff to mesh properly?
Not really, but you do need to grind the pin that goes through the adaptor to hold it on... otherwise the gear won't slide over properly. Mesh is good and works well.
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Old 07-16-2012, 12:13 PM   #2074
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been trying to find extended battery posts for 3S lipo but cant find them anywhere, anyone know if the velcro straps will work just as good?
Can you not drop a spacer into the tube where the battery post goes and just use a longer screw? Perhaps a short length of plastic tubing would work.
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Old 07-18-2012, 08:22 PM   #2075
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Originally Posted by jhwnissan View Post
The main gear will need an adaptor. This is the FF-03 gear adaptor that has had the center drilled out to fit the TT-01 shaft. I also took a pin to put in there and shaved it to perfectly fit the width of the shaft. This is VERY important as your gear goes over the top of the pin and helps hold it in. First you put the gear on, then slide the adapter, then slide the pin in... then you attach the gear to the adapter. It sounds complicated but works pretty easily once you get the parts.

I decided to give your mod a try tonight and I scalped the spur gear adapter off my FF-03. I installed the adapter the other way around compared to you as I found it easier to then bolt on the spur gear going through the rear of the chassis. I had to drill the adapter out to 5mm so it would slip onto the rear shaft stub.

I am using the Tamiya metal motor mount and have an 81T spur matched to a 45T pinion, all 64 pitch. My FDR drops to 4.68. I plan to run a TCS race this weekend with the TT-01 using this mod in GT2. I'm limited to the silver can motor and with the lower FDR I may have a better chance against the TB-03, TA-05 and TA-06 sedans. We'll see.
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Old 07-19-2012, 04:43 AM   #2076
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Here are a few pictures of my spur gear mods to my TT-01.

Last edited by SteveM; 12-24-2015 at 08:58 AM.
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Old 07-19-2012, 05:28 AM   #2077
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Here are a few pictures of my spur gear mods to my TT-01.
Very nice! Glad the idea worked for you. I had great success with mine and got it down to 3.89 at one point with the custom "cam" motorplate. Track just closed down so now I'm sitting with a car and no pace to race. I love this site. This is EXACTLY what I wanted to have happen. I want people to use this simple mod and fall back in love with their TT01.
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Old 07-19-2012, 05:38 AM   #2078
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Very nice! Glad the idea worked for you. I had great success with mine and got it down to 3.89 at one point with the custom "cam" motorplate. Track just closed down so now I'm sitting with a car and no pace to race. I love this site. This is EXACTLY what I wanted to have happen. I want people to use this simple mod and fall back in love with their TT01.
Your spur adapter mod is very timely for me and is a great idea. I picked up a TT-01 just to run in the Canadian TCS race this Sunday. Normally I drive a Sakura Zero S in the sedan class, but of course with the TCS I can't run this car.

The proprietary gears that Tamiya forces you to use are a PITA and the lowest FDR that is possible without the mods is a crummy 5.11. The fast guys here are in the high 3's and low 4's so that ratio just wasn't going to be competitive. There is also too much slop in the drive train and I'm finding that the spur gear moves around too much and rubs the back of the chassis. This ruins the teeth in the end and the noise increases. More noise = slower speed.

I decided to stick with the Tamiya aluminum motor mount and I'll play around with spur/pinion match-ups to alter my FDR. I'll try the 4.68 and see how that goes this Sunday.
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Old 07-20-2012, 05:43 AM   #2079
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I did more testing last night with gearing and I can get an FDR as low as 3.98 which is good to know. I plan to try 4.15 for the TCS race this weekend and adjust from there. Such a simple mod and it makes a huge difference..
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Old 07-22-2012, 04:38 PM   #2080
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I ran my TT-01 today at round 4 of the Canadian TCS series hosted by Sutton Aviation RC Speedway and Dynamic Hobbies. After the Saturday practice, I changed my gearing to a 4.24 FDR running a 75T spur and a 46T pinion.

I had decent speed and I was fairly competitive all day. I left the gearing alone and instead focused on my driving line and managing traffic. We ran 4 heads-up heats where I finished 2nd three times and 3rd once which I feel is a decent result all things considered. This was my first time ever running this chassis.

I always thought of the TT-01 as a street basher, but with the spur adapter mod the car comes alive and can be raced competitively. It would be great for VTA or club spec racing.

Last edited by SteveM; 07-24-2012 at 07:31 AM.
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Old 07-24-2012, 11:21 AM   #2081
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Originally Posted by SteveM View Post
I ran my TT-01 today at round 4 of the Canadian TCS series hosted by Sutton Aviation RC Speedway and Dynamic Hobbies. After the Saturday practice, I changed my gearing to a 4.24 FDR running a 75T spur and a 46T pinion.

I had decent speed and I was fairly competitive all day. I left the gearing alone and instead focused on my driving line and managing traffic. We ran 4 heads-up heats where I finished 2nd three times and 3rd once which I feel is a decent result all things considered. This was my first time ever running this chassis.

I always thought of the TT-01 as a street basher, but with the spur adapter mod the car comes alive and can be raced competitively. It would be great for VTA or club spec racing.
Glad to hear you got it going. Yes, the TT01 can kick tail with this mod and simple oil shocks. It's just all about setup. Sounds like you had fun!
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Old 07-25-2012, 09:19 AM   #2082
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My TT-01 was able to keep pace in the GT2 class against some tough competition from TA-05 and TA-06 sedans and I was pretty pleased.

I've noticed that there is a white nylon gear diff and spur set available for this car, part number TAM51004. Is there any advantage to these parts over the stock black plastic kit stock items?
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Old 08-05-2012, 09:09 PM   #2083
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SteveM and jhwnissan, which brand/part# spur gear adapter are you using?
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Old 08-06-2012, 06:04 AM   #2084
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SteveM and jhwnissan, which brand/part# spur gear adapter are you using?
You'll want the Tamiya spur gear adapter designed for the FF-03 car, Tamiya part #54234. The mod is super simple and all you need to do is drill it out to 5mm so that it slips onto the rear stub drive shaft.

I have mine oriented so that the spur gear attaches from the rear. I did need to file the end of the adapter slightly so that the holes in the shaft and adapter aligned.

I ran a 75T spur / 46T pinion combination giving an FDR of 4.24 on silver can motor. The day was extremely hot but my motor came off the track at 120 degrees.
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Old 08-06-2012, 08:34 AM   #2085
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Im thinking their might be a shortage of ff03 spur gears adapters now lol

steve is this a silvercan only car? how well can this car handle? are you going to try any larger motors?

this car just looks fun...so i would think it would be a great parking lot ride?
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