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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 11-04-2022, 08:05 PM
  #3421  
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Originally Posted by Raman View Post
correct, I’m running 39mm.

If you switched to new spool from XV02, you need to run 37mm
Good to know I just decided to try the new spool.
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Old 11-10-2022, 11:42 AM
  #3422  
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Default TT02SRX

From Tamiyablog:


58720 TT-02SRX RACING On Road 4WD
The TT-02 frame will soon be available in an exclusive updated version compared to the previous S version.
The TT-02 Type-SRX frame kit features increased durability and performance for racing. This frame kit uses the stock oil differential and front rigid post as well as a selection of options normally sold separately. This kit is perfect for those who want an Entry level frame but who already have an Optional base to be able to configure it for competitions.
Chassis Features
1/10 Scale R / C Chassis Mounting Kit.
• Items 22049 oil differential and 22047 rigid front pole ensure easy assembly and stable driveability.
• This frame kit features a reliable 4 wheel independent double wishbone suspension used in the TRF420 frame to ensure an effective setup.
• Center joints have plastic parts in the joint sections of stainless steel pins and aluminum joints to limit wear of parts.
• Universal joint (code 22054) provides stable steering and cornering grip for superior performance during racing.
• The rear driveshafts have a size of 39mm, specific for this frame.
• High speed gears and 27T sprockets (transmission ratio: 6.55: 1) are included as standard parts of the kit.
• The included servo saver ensures an ideal steering angle and to limit damage to the steering servo.
• Features shielded ball bearings.
• Comes with a dedicated carrying case for the TT-02 Type-SRX chassis.
• Please note that the body, battery, motor, tires and R / C system are not included.
Accessories included as standard
– 37mm cardan for constant velocity joints, 2pcs. (code TO22054).
– XV-02 / TT-02 Oil gear differential (code TO22049).
– Front rigid pole set XV-02 / TT-02 39T (code TO22047).
– 27T module 06 pinion in hardened aluminum (code TO54981).
– TRF419 suspension set (code TO54886).
– TT-02 Hi-Torque Servo Saver Set with metal bracket (code TO54799).
– Central transmission shaft in aluminum TT-02 (code TO54501).
– TT-02 speed gear set, 68t (code TO54500).
– Item 53823: 5mm thick aluminum rim drivers (code TO53823).
– TRF Shock Absorber Oil Seal, 4pcs. (code TO53576).
– Cross joints for low friction constant velocity joints (code TO42357).
– Short ball connector for TRF shock absorbers, 8pcs. (code TO42323)
Looks like the SR with the TRF420 suspension and a couple of driveshaft upgrades. I won’t upgrade from my SR but as that is discontinued I am glad Tamiya is continuing to release a tuned chassis for entry level racing.
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Old 11-10-2022, 12:22 PM
  #3423  
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Originally Posted by zuqbu View Post
From Tamiyablog:



Looks like the SR with the TRF420 suspension and a couple of driveshaft upgrades. I won’t upgrade from my SR but as that is discontinued I am glad Tamiya is continuing to release a tuned chassis for entry level racing.
One description says 419 arms the other 420. From pictures, they appear to be 420 arms. Issue with these arms is that the droop screw holes are on opposite side. Where as the old short reversible arms have droop screws on both sides.

Last edited by Raman; 11-10-2022 at 12:45 PM.
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Old 11-10-2022, 01:33 PM
  #3424  
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Originally Posted by Raman View Post
One description says 419 arms the other 420. From pictures, they appear to be 420 arms. Issue with these arms is that the droop screw holes are on opposite side. Where as the old short reversible arms have droop screws on both sides.
Yeah, the translation is wonky. I checked the associated part number and it’s the „TRF419 suspension upgrade set“ because it is the hop-up for the TRF419. But it’s the TRF420 suspension.
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Old 11-11-2022, 01:33 PM
  #3425  
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you also can see it on the pictures that there are 420 or other new suspension arms and not the 419.
Imo good Idea (got a fully upgraded TT02SRR and it is a fun clubracer) but expensive.
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Old 11-12-2022, 12:24 AM
  #3426  
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Tamico has it listed for preorder now at €289,99 – that's 30 bucks over their price for a TA-08. I don't know if it's worth to spend that much money on a TT-02 but at least you won't have trouble finding spare chassis tubs
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Old 11-16-2022, 03:02 AM
  #3427  
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This my tt02 costly little thing also wanna get ssbb shocks and gt lower towers but why don't they just make a trf version lol trf tt02x


Droop plates

Long turnbuckle steering

Alloy prop and spur gear adapter

Inner camber link plates

Anti roll bars and toe plate cover

Carbon bumper plate and towers and alloy shock
Mirko, angrymelon, gwhiz and 2 others like this.

Last edited by r_lud; 11-16-2022 at 03:25 AM.
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Old 11-16-2022, 02:50 PM
  #3428  
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Originally Posted by r_lud View Post
This my tt02 costly little thing also wanna get ssbb shocks and gt lower towers but why don't they just make a trf version lol trf tt02x...
This is a very nicely built TT02. 👍
If you want to use SSBB shocks, the lowered shock towers from PSM would be an option.
PSM Front SSBB GT Shock Tower, Carbon 3mm - TT02S (1) - #PS02094 | PSM (psmfactory.com)
PSM Rear Wide SSBB GT Shock Tower, Carbon 3mm - TT02S (1) - #PS02096 | PSM (psmfactory.com)

Please note that this would not work well with the Yeah Racing Anti-Roll Bar Mount (TATT-034). At least in the front the upper cap on the shockbody would hit the Anti-Roll Bar in the innermost or two innermost shock mounting positions. For SSBB the Anti-Roll Bar should better be mounted in a lower position like in this video:
https://www.youtube.com/watch?v=Jw78yWGRFAg

In my opinion, the big advantage of SSBB shocks is the possibility to use progressive springs. I prefer to use Xray 2.5-2.8 in the front or 2.3-2.6 in high grip conditions combined with 2.6 or 2.7 in the rear.
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Old 11-17-2022, 12:16 AM
  #3429  
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Originally Posted by r_lud View Post
This my tt02 costly little thing also wanna get ssbb shocks and gt lower towers but why don't they just make a trf version lol trf tt02x


Droop plates

Long turnbuckle steering

Alloy prop and spur gear adapter

Inner camber link plates

Anti roll bars and toe plate cover

Carbon bumper plate and towers and alloy shock
I like how you placed the weights in the bumper.
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Old 11-17-2022, 02:15 AM
  #3430  
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Originally Posted by Mirko View Post
This is a very nicely built TT02. 👍
If you want to use SSBB shocks, the lowered shock towers from PSM would be an option.
PSM Front SSBB GT Shock Tower, Carbon 3mm - TT02S (1) - #PS02094 | PSM (psmfactory.com)
PSM Rear Wide SSBB GT Shock Tower, Carbon 3mm - TT02S (1) - #PS02096 | PSM (psmfactory.com)

Please note that this would not work well with the Yeah Racing Anti-Roll Bar Mount (TATT-034). At least in the front the upper cap on the shockbody would hit the Anti-Roll Bar in the innermost or two innermost shock mounting positions. For SSBB the Anti-Roll Bar should better be mounted in a lower position like in this video:
https://www.youtube.com/watch?v=Jw78yWGRFAg

In my opinion, the big advantage of SSBB shocks is the possibility to use progressive springs. I prefer to use Xray 2.5-2.8 in the front or 2.3-2.6 in high grip conditions combined with 2.6 or 2.7 in the rear.
Yep found that before when I got the inner camber link plates to adjust roll center just the £100 for shocks is a bit to much to spend at the mo, when I do i will get the front tower without body post to make it look cleaner
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Old 11-17-2022, 02:18 AM
  #3431  
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Originally Posted by Eotz View Post
I like how you placed the weights in the bumper.
yea was little light on the nose on weight distribution so just thought will it, not completely happy with shape of the front bumper plate but was cheap when I got the car and looks better then the( don't know why cheap aero ) kit plate
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Old 11-17-2022, 02:51 AM
  #3432  
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Originally Posted by Mirko View Post
This is a very nicely built TT02. 👍
If you want to use SSBB shocks, the lowered shock towers from PSM would be an option.
PSM Front SSBB GT Shock Tower, Carbon 3mm - TT02S (1) - #PS02094 | PSM (psmfactory.com)
PSM Rear Wide SSBB GT Shock Tower, Carbon 3mm - TT02S (1) - #PS02096 | PSM (psmfactory.com)

Please note that this would not work well with the Yeah Racing Anti-Roll Bar Mount (TATT-034). At least in the front the upper cap on the shockbody would hit the Anti-Roll Bar in the innermost or two innermost shock mounting positions. For SSBB the Anti-Roll Bar should better be mounted in a lower position like in this video:
https://www.youtube.com/watch?v=Jw78yWGRFAg

In my opinion, the big advantage of SSBB shocks is the possibility to use progressive springs. I prefer to use Xray 2.5-2.8 in the front or 2.3-2.6 in high grip conditions combined with 2.6 or 2.7 in the rear.
Hi with the progressive srpings what oil weight would you recommend? I trying to set my tt02sr with ssbb shocks and the psm mounts. Currenly I am using 350cst with xray linear 2.7f and 2.6r. I assume you are only using the progressive in the front? I will be running on high bite black carpet. Any recommendations for outdoor tarmac? Thank you
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Old 11-17-2022, 05:48 AM
  #3433  
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Originally Posted by r_lud View Post
This my tt02 costly little thing also wanna get ssbb shocks and gt lower towers but why don't they just make a trf version lol trf tt02x
That's what the TB Evo series is.
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Old 11-17-2022, 06:55 AM
  #3434  
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Originally Posted by gigaplex View Post
That's what the TB Evo series is.
but I mean on the tt02 platform that's tb platform so not what I was saying, trf tt02x not Tb evo

so keep the tub chassis start with a tt02sr or srx but add all the hop ups like ssbb shocks/towers , alloy steering, spur gear adapter,inner link plates, anti roll bars and droop stoppers that work on 420x suspension but keep all the nasty alloy suspension arms 🤮
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Old 11-17-2022, 02:52 PM
  #3435  
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Originally Posted by zleader_99 View Post
Hi with the progressive srpings what oil weight would you recommend? I trying to set my tt02sr with ssbb shocks and the psm mounts. Currenly I am using 350cst with xray linear 2.7f and 2.6r. I assume you are only using the progressive in the front? I will be running on high bite black carpet. Any recommendations for outdoor tarmac? Thank you
Indoor I prefer 450cst oil on medium grip Carpet , softer in the front if the grip is really high. Mostly I use the second hole on the inside of the front shocktower, the innermost if the grip is high. I usually switch from 2.5-2.8 to 2.3-2.6 and to the flatter damper position to prevent tracktion rolling. In the rear I use the center hole or the second from the outside to keep the car stable. Furthermore, I do a lot of fine tuning by adjusting the downstop screws and adjusting the width and time I apply the tire additive, adjusting dual rate and negative steering progression on my radio. Changing the roll center via the inner mountings of the upper control arms and changing the track width through different hexes or wheel spacers also offers good options to play around with.
Sometimes progressive springs 2.5-2.8 both front and rear work well on medium grip carpet or outdoors.
On Asphalt I use 500...550 or 600cts shock oil. Mostly 600cst on hot summer days. I have two sets of Xray SLP shocks from my T4 2015 that I use with the PSM shocktowers in the TT02. For Outdoor Racing I prepere one set with the PSS sleeves to quickly feel the difference.
Furthermore I have two 3Racing Differentials. Most times one is filled with 4000cst oil and the other one with 7000cst.
I think Tamiya now provides a better option with 22049.

I just had a look at my car. With the PSM shocktowers I'm using the outer hole on the two hole side with the rear TRF416 Y-Arms to get enough upwards travel out of the shock. (I think this is the 42mm hole measure from the inner hinge pin.) The SR Manual states the inner hole (38mm) with the original shocks and shocktowers. Also I grinded away some material on the arms to clear the spring retainers. 😉
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Last edited by Mirko; 11-17-2022 at 03:07 PM.
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