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Old 01-14-2021, 03:44 PM   -   Wikipost
R/C Tech ForumsThread Wiki: Tamiya TT02 Thread
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TT02 Wiki - Post your setups, upgrades and home grown ideas here for us to read...

TT02 vs the TT-01
http://www.thercracer.com/2013/01/ta...irst-pics.html
New flat chassis layout - Easier to run LiPOs vs the cutouts in the TT-01s
Revised suspension geometry
Support for std spur gears

MODELS ----------------------------------------------------

Changes that follow are in comparison to the basic kit.
TT02 - Base Kit. Friction Dampers.
TT02D - Drift: Drift Tires, Hardened A-Parts, Oil Shocks
TT02R - Race: Rear Alu 3* Toe In Hubs, Alu Propshaft + Cups, CVA oil Dampers
TT02RR - Race+: TT02R + Adjustable Upper Arms, Oil Filled Diffs, Hardened Blue Chassis
TT02S - Type S: TRF416 arms, FRP shock towers, bearings,
TT02SR - TypeS Race: TT02S + Double cardan front drive shafts, rear lightweight universals, Rear sealed oil differential, front spool
TT02B - Buggy. Offroad: CVA Shocks, Double Wishbone long suspension

HOP UPS ----------------------------------------------------

Bearings:
#54476 Ball Bearing Set TT02: 8x 1050, 4x 1280, 4x 1150

Propshaft:
#54501 Alum Propeller Shaft TT02
#54502 Alum Propeller Joint TT02
Tip:
Put a 3mm piece of well greased silicone hose between the dog bone and the shaft of each wheel to reduce slop.

Motor Mount and Gearing:
#54558 TT02 Aluminum Motor Mount
#54500 High Speed Gear Set
#54875 Oil Gear Differential

Steering:
#54550 Low Friction Step Screws
- Full Upgrade Kit -
#54752 Steering Upgrade Kit, Includes all below.
- Individual Parts -
#54574 Aluminum Steering Set
#54575 Aluminum Steering Bridge
#54799 Hi-Torque Servo Saver or #51000 Servo Saver Black
#54248 Aluminum Turnbuckles 3x23
#50797 5mm Short Adjustable Turnbuckle End


Dog Bones to Universal Joints:
- Standard Steel -
#53792 Universal Shaft Assembly (steel), NOTE: Must also use item 54477 on the TT-02
#54477 Gearbox Joint for Universal Shaft (steel) (2pieces)
- Lightweight -
#53506 Blue Aluminum 39mm Swing Shaft
#53499 Wheel axle for assembly universal
#53681 Titanium wheel axle for assemblu universal (but this is very expensive)
#53500 cross joints for universal
#54477 Gearbox Joint for Universal Shaft (2pieces)
Tip: Run steel in the front, Alu is okay for the rear but the front takes a lot of wear and impact from crashes

Shock Options:
#54753 Super-mini CVA Oil Shocks, comes with med black springs
#42102 TRF 55mm Shocks

Chassis:
#54639 Carbon Damper Stay Front
#54640 Carbon Damper Stay Rear
#47339 Hard Lower Deck Blue
#47340 Hard Lower Deck White
#54926 Hard Lower Deck Black
#54733 Aluminum Rear Uprights, Gives 3* rear toe in for extra stability
#54549 Aluminum Rear Uprights, 2.5* Rear Toe In
#58584 Hardened A-Parts, Uprights, Hub Carriers, Diff Covers, etc

SUGGESTED BASE SETUPS ----------------------------------

Bashing:
Build to the kit instructions and have fun!

Asphalt Parking Lot Racing:
Front Diff: 300k-500k (or Tamiya #42247 Gear differential putty)
Rear Diff: 3K oil in the rear diff for low / medium grip, 5k oil in the rear for medium / high grip

Carpet Indoor Racing:
Front Diff: 300k-500k (or Tamiya #42247 Gear differential putty)
Rear Diff: 7k -10k in the rear diff for very high grip carpet.


ADDITIONAL RESOURCES -------------------------------------

TT02 Build and Review here
http://www.thercracer.com/2013/05/ta...nd-review.html

TT02 Tuning and Mods Guide
http://www.thercracer.com/2014/08/ta...-and-tips.html
https://www.rcdriver.com/take-the-versatile-tamiya-tt-02-chassis-to-the-next-level/


Gearing for 17.5t Blinky
http://www.thercracer.com/2013/07/ho...inky-with.html











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Old 06-20-2020, 02:27 PM
  #2551  
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Originally Posted by JJ100179
I just revisited thercracer site and checked the article.
The author mentioned a ride height of 5mm front and 5,2mm rear, but not how these are achieved. He is using the 42102 TRF shocks, but no indication which spring or other settings are needed to get there. So, maybe you are kind of misguided at the moment?
I had to use internal stops with the CVAs. I used an o ring on the fronts and the 2mm spacer from the shock parts tree to get where I wanted.
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Old 06-26-2020, 11:45 AM
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Has anyone seen that Tamiya is selling these Mercedes CLK TT-01E kits again?

$115 is hard to beat

https://www.amainhobbies.com/tamiya-...47437/p1172162

Last edited by Hoyle33; 06-26-2020 at 02:34 PM.
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Old 06-26-2020, 06:59 PM
  #2553  
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Originally Posted by Hoyle33
Has anyone seen that Tamiya is selling these Mercedes CLK TT-01E kits again?

$115 is hard to beat

https://www.amainhobbies.com/tamiya-...47437/p1172162
I just want the body.
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Old 06-27-2020, 05:34 PM
  #2554  
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Out in the parking lot playing around. The car likes to swap ends under acceleration. I would like to get more rear droop but the springs are too stiff. I set ride height and preload and get maybe 1 to 1.5 mm of rear droop. I'm running yellow fronts, kit rears. The beige springs seem softer than the reds. Ride height is 5.5 all around. I'm running internal stops in the shocks and the shimming preload with the spring spacers. If I take out the shims, I'm left with slop. I'd really like to find a longer, softer spring to allow more droop. Do I have to go aftermarket or is the a set of soft springs that works with the CVA shocks? I'm sticking with the CVA set as they are TCS legal for the class I plan to run.

Last edited by liljohn1064; 06-27-2020 at 05:54 PM.
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Old 06-27-2020, 08:52 PM
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Originally Posted by liljohn1064
Out in the parking lot playing around. The car likes to swap ends under acceleration. I would like to get more rear droop but the springs are too stiff. I set ride height and preload and get maybe 1 to 1.5 mm of rear droop. I'm running yellow fronts, kit rears. The beige springs seem softer than the reds. Ride height is 5.5 all around. I'm running internal stops in the shocks and the shimming preload with the spring spacers. If I take out the shims, I'm left with slop. I'd really like to find a longer, softer spring to allow more droop. Do I have to go aftermarket or is the a set of soft springs that works with the CVA shocks? I'm sticking with the CVA set as they are TCS legal for the class I plan to run.
I'm running the reds on the rear of mine. How many spacers do you have in your shocks?
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Old 06-28-2020, 12:15 AM
  #2556  
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Originally Posted by liljohn1064
Out in the parking lot playing around. The car likes to swap ends under acceleration. I would like to get more rear droop but the springs are too stiff. I set ride height and preload and get maybe 1 to 1.5 mm of rear droop. I'm running yellow fronts, kit rears. The beige springs seem softer than the reds. Ride height is 5.5 all around. I'm running internal stops in the shocks and the shimming preload with the spring spacers. If I take out the shims, I'm left with slop. I'd really like to find a longer, softer spring to allow more droop. Do I have to go aftermarket or is the a set of soft springs that works with the CVA shocks? I'm sticking with the CVA set as they are TCS legal for the class I plan to run.
I used to have 29mm springs in the CVA shocks of my TB-03. They are long enough to be installed without spacers.
MST 29mm springs
They are sold in pairs or in Sets of 8 springs. Maybe Set 820113 can be a good starting point for you: 820113 (buut no guarantee that they will have your needed characteristics)
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Old 06-28-2020, 04:50 PM
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liljohn1064 Have you tried the kit springs in the front and yellow in rear? Or yellow (that come with the CVAs) all around? I think those silver kit springs are stiffer than the yellow springs, which is going to make the car tail-happy.

Even with balanced springs (yellow) all around, I find it's relatively easy to get out of shape putting power down coming out of a corner. I suspect that the kit tires have a lot to do with it too.

OTOH, with only a torque tuned motor, changing to super sticky tires will eliminate any drama involved in driving this thing.
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Old 06-28-2020, 05:44 PM
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Originally Posted by SennaPK
liljohn1064 Have you tried the kit springs in the front and yellow in rear? Or yellow (that come with the CVAs) all around? I think those silver kit springs are stiffer than the yellow springs, which is going to make the car tail-happy.

Even with balanced springs (yellow) all around, I find it's relatively easy to get out of shape putting power down coming out of a corner. I suspect that the kit tires have a lot to do with it too.

OTOH, with only a torque tuned motor, changing to super sticky tires will eliminate any drama involved in driving this thing.
I completely agree. The kit springs are the softest. I have the hard set yellow on the front. They will come off. I ordered some Sweep 32 and 36 sets, both J type, the asphalt designation. I'm hoping for some better results.
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Old 06-29-2020, 10:59 AM
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So I'm currently building the Tamiya TT02 universal shafts ... I machined this aluminum ring and attached to each universal wheel axle with some superglue. To capture the cross joint's pin and prevent it from coming loose.
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Old 06-29-2020, 12:57 PM
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Also tried something new here ... rubber cover on the universal joint to keep grease in and dirt out. I cut about 1" off the ends of Qualatex 260Q balloons to make these.
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Old 07-01-2020, 10:23 AM
  #2561  
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I bought the SkyRC GSM020 GPS a while back ... I wanted to track how fast the TT02 can go with a 19 turn, hand-wound brushed motor and 7.2v Ni-MH battery. Yesterday I changed to a 29T pinion and 55T spur gear (4.931 FDR) and put some advanced timing to the motor ... today it tops out at 37mph. Not bad.

The stock TBLE-02S ESC couldn't handle the motor anymore at this gear ratio though. I swapped it out with a Hobbywing QuicRun 1080 and it's working OK so far.


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Old 07-01-2020, 10:43 AM
  #2562  
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Originally Posted by userst


So I'm currently building the Tamiya TT02 universal shafts ... I machined this aluminum ring and attached to each universal wheel axle with some superglue. To capture the cross joint's pin and prevent it from coming loose.
How do you take it apart in case of a damage or a needed repair?
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Old 07-01-2020, 10:58 AM
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Originally Posted by JJ100179
How do you take it apart in case of a damage or a needed repair?
Yeah I'd probably have to knock it loose with a hammer when that time comes. More ideal solution would've been to use a removable ring locked onto a groove on the shaft's outer diameter.
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Old 07-01-2020, 11:00 AM
  #2564  
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Has anyone seen that Tamiya is selling these Mercedes CLK TT-01E kits again?

$115 is hard to beat

https://www.amainhobbies.com/tamiya-...47437/p1172162
Also considering it comes w/ the ESC and a Motor, it is a GREAT deal, ...yet I have enough cars so as tempting as it is ...
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Old 07-02-2020, 01:16 PM
  #2565  
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after one year not using my tt02s I upgrade the adjustable suspension block from the rear SR and the new aluminium steering... tomorrow I shorten the body posts and setup and race this weekend! I will see if it make the car better or worst
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