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Old 01-14-2021, 03:44 PM   -   Wikipost
R/C Tech ForumsThread Wiki: Tamiya TT02 Thread
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Last edit by: pparrett
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 06-09-2020, 12:20 AM
  #2536  
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Originally Posted by tomthegeek
Anybody know what part # I need to use these metal diffs in a TT-02? The plastic diff housing (outdrive cup?) that comes with the kit has four holes so it doesn't fit. I've got all the other internal and prop shaft gears I just need the diff housing.

You’ll need Tamiya 51008 differential internal gears from the TT01. This will allow you to use the stock keyed outdrive cups. You can’t use the TT02 differential internals because they have 4 planetary gears laid out in a cross. This ring gear has 3 screws and will need the 3 internal planetary gears laid out in a triangle.

For the diff housing, you’ll need 51004 also from the TT01. You still have the issue of the plastic pinion gear driving the steel differential gear. Which may not cause issues initially, but might wear out that plastic gear sooner.
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Last edited by viking44; 06-09-2020 at 05:38 AM.
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Old 06-09-2020, 08:53 AM
  #2537  
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Originally Posted by jgil089
Are they from the DF02 buggies? They look like it. I use them in my TT02B and just needed the diff housing from the DF02 and the outdrives, dogbones etc all worked fine with them. I just had to file down the diff pinion gear which was easy to do. Its a really common upgrade for the TT02B with brushless motors.

I don't know the part numbers without searching, but the Gravel Hound and Plasma Edge were models on the DF02 chassis.
I'm not sure where they are from, I got them with my TT-02B kit. I bought it used and it came with a bunch of extras. Thought I had everything for these metal diffs but I didn't notice the different hole pattern.

Originally Posted by viking44
You’ll need Tamiya 51008 differential internal gears from the TT01. This will allow you to use the stock keyed outdrive cups. You can’t use the TT02 differential internals because they have 4 planetary gears laid out in a cross. This ring gear has 3 screws and will need the 3 internal planetary gears laid out in a triangle.

For the diff housing, you’ll need 51004 also from the TT01. You still have the issue of the plastic pinion gear driving the steel differential gear. Which may not cause issues initially, but might wear out that plastic gear sooner.
I have the 3 metal internal planetary gears laid out in a triangle and the metal pinion gears (propeller shaft gears) so I'm set there. 51004 is exactly what I was looking for! Thank you.
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Old 06-09-2020, 09:15 PM
  #2538  
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Originally Posted by jgil089
Are they from the DF02 buggies? They look like it. I use them in my TT02B and just needed the diff housing from the DF02 and the outdrives, dogbones etc all worked fine with them. I just had to file down the diff pinion gear which was easy to do. Its a really common upgrade for the TT02B with brushless motors.

I don't know the part numbers without searching, but the Gravel Hound and Plasma Edge were models on the DF02 chassis.
They are from the DF-02.
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Old 06-11-2020, 10:09 PM
  #2539  
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Paint, finally.

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Old 06-12-2020, 09:30 AM
  #2540  
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Default TRF Dampers

Hi,
Need help from Tamiya experts here.
I am in the process of finishing my TT-02 & looking to spend on a set of TRF ALu Damper set.
I got confused by the choices available.

Based on my own study & research, below are my findings:

(A) TRF Damper set (53571)
From Tamiya -length when assemble = 61.5 mm

(B) TRF Special Damper Set (42102)
From Tamiya - more advanced than (A) 53571
My conclusion - length = 61.5 mm

(C) TRF Short Damper set (42273)
From Tamiya - 4mm shorter than TRF Special Damper (B) 42102
My conclusion - length = 57.5 mm

(D) TRF Big Bore Damper (42287)
From Tamiya - OD remains unchanged, ID is bigger, so 10% more oil
My conclusion - length = 61.5 mm

(E) TRF Big Bore Dampers + (42354)
From Tamiya - Compared to TRF Dampers, this set comes with better parts
My conclusion - length = 61.5mm

(F) TRF Super Short Big Bore Damper (42305)
From Tamiya - this set is 6.5 mm shorter than TRF Special Damper, 1.2 mm wider cylinder interior
My conclusion - length = 55 mm, not sure about the body OD.

(G) TRF Super Short Big Bore Dampers + (42353)
From Tamiya - this set is 6.5 mm shorter than TRF Special Damper, 1.2 mm larger cylinder internal diamater, better parts than (F) 42305
My conclusion - length = 55 mm, not sure about the body OD.

Questions:
1) If my findings above are correct in term of damper length, (A) 53571, (B) 42102, (D) 42287, (E) 42354 can be used on TT-02 with its original plastic damper stays. (/ shocks towers)?????

2) What about springs, do they all (A, B, D, E) share exactly same size of springs???

Let me know what you think.

Thanks



Last edited by hobbs; 06-12-2020 at 10:26 AM. Reason: spelling
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Old 06-14-2020, 07:53 AM
  #2541  
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1: you want to use the first TRF dampers on your list.

2: no, springs can only be used by bore size. The older design springs (small original bore) long or short can work. None of the big bore springs will work on small bore dampers.

There are option parts you can buy to change the upper shock mount to use the big bore lowers them) but really the original TRF dampers are the ones this chassis was designed for.
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Old 06-16-2020, 06:27 AM
  #2542  
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I built my TT02 with the (plastic) super mini CVAs specifically marketed as for the TT02 (54753), and they build to 55mm eye-to-eye. A 61mm shock is going to be almost fully compressed @ ride height - I can't imagine that's the correct choice for this car (non-Type S)...
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Old 06-18-2020, 07:22 AM
  #2543  
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OK, guys

Need your help here.

From thercracer.com, it says with 42102 shocks & standard springs, it can arrive ride height of 5mm - 5.2mm

I put everything in, my right height is about 6.3mm now. My spring collar retainers are already at maximum height.
What did I do wrong???

What about you?? what ride height you are getting with the TRF shocks??
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Old 06-18-2020, 09:49 AM
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How far were your rod ends threaded into the shock shafts? Maybe they could go in a little further? Could the shock shafts in your particular kit be slightly longer than normal?
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Old 06-18-2020, 01:25 PM
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Originally Posted by hobbs
OK, guys

Need your help here.

From thercracer.com, it says with 42102 shocks & standard springs, it can arrive ride height of 5mm - 5.2mm

I put everything in, my right height is about 6.3mm now. My spring collar retainers are already at maximum height.
What did I do wrong???

What about you?? what ride height you are getting with the TRF shocks??

Did you use the long or short shock shaft eye?
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Old 06-18-2020, 02:25 PM
  #2546  
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Originally Posted by hobbs
OK, guys

Need your help here.

From thercracer.com, it says with 42102 shocks & standard springs, it can arrive ride height of 5mm - 5.2mm

I put everything in, my right height is about 6.3mm now. My spring collar retainers are already at maximum height.
What did I do wrong???

What about you?? what ride height you are getting with the TRF shocks??
Maybe it is due to different tyre diameter?
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Old 06-18-2020, 06:21 PM
  #2547  
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As silly as it sounds, what if the kit was built in the high or "rally" configuration by mistake?
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Old 06-19-2020, 08:13 PM
  #2548  
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Originally Posted by liljohn1064
Did you use the long or short shock shaft eye?
the short one

Originally Posted by JJ100179
Maybe it is due to different tyre diameter?
Nope. no issue with the tyre diameter

Originally Posted by angrymelon
As silly as it sounds, what if the kit was built in the high or "rally" configuration by mistake?
I thought so.
Hence I rechecked everything & the kit was build as standard wheelbase, low.

I went thru the shock again & I did not see anything wrong.
Still wonder why I cannot let it go lower.


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Old 06-20-2020, 11:49 AM
  #2549  
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I highjack this thread... I m a fan of my type S/RR and now there hits a new aluminium steering the market (Tamiya - 54965). My is ordered and I m waiting, but anybody already drive the new hop up and tease pros and cons?

thanks
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Old 06-20-2020, 12:48 PM
  #2550  
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Originally Posted by hobbs
the short one



Nope. no issue with the tyre diameter



I thought so.
Hence I rechecked everything & the kit was build as standard wheelbase, low.

I went thru the shock again & I did not see anything wrong.
Still wonder why I cannot let it go lower.
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?
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