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Tamiya TA-05 GRT (ER Conversion)

(Last Updated: 2011-10-06)

Countersteer Ratio: 2.35

Driftmission.com presents a review of the Eagle Racing TA-05 GRT V1 Carbon Graphite (CG) conversion kit for the Tamiya TA-05 Version 2 chassis. I recently purchased a GRT conversion kit and will be performing a small review about the product. The donor chassis used is a Tamiya TA-05 Version 2, previously raced and abused? so, this is the perfect time to convert it to a full drift spec chassis!

RC Drift Chassis Information

Make

 Tamiya

Model

 TA-05v2 GRT

Track Surface

 Concrete

Tires

 HPI T-Drift Threaded

Motor and ESC

 LRP Sphere TC Spec ESC & Trinity Nemisis 13.5T

Servo

 Futaba S9551

Chassis Settings
 

Front

Rear

Camber (Positive is out, Negative is in)

 -4 -1

Toe (Degrees) (Positive is out, Negative is in)

 1 -1

Caster (Degrees)

 10 degrees  

Kick-up (mm)

 2mm none

Sway Bar

 no no

Ride Height (mm)

 8.0mm 8.5mm

Damper Settings

Springs

 Tamiya Silver (Stock Tamiya Drift Kits) Tamiya Silver (Stock Tamiya Drift Kits)

Damper Oil

 30wt with Hamster mod 30wt with Hamster mod

Upper Damper Position (Lower # indicates inner most position)

 5 7

Lower Damper Position (Lower # indicates inner most position)

 1 2

Other (Weights, Mods, etc)

 Eagle Racing Front One-way with Center One-way, Eagle GRT V2 steering assembly, 10 degrees castor hub, Eagle TA05 TSD CVD Universal Shafts, Eagle aluminum front suspension arms, Eagle aluminum steering knuckle. Eagle Racing Spool and CS Pulleys

Drivetrain

Belts

 213mm Eagle Racing Belt 485mm Eagle Racing Belt

Front

 40T Eagle Front One-way

Front Center

 14T Center One-way from Eagle Racing

Rear Center

 24T Eagle direct Pin

Rear

 29T Eagle with Spool

Spur

 124T 64DP

Pinion

 42T 64DP

 

 

Video of the GRT conversion chassis in action September 11, 2011

December 29, 2011

Did some major upgrades to this chassis, still not fully tuned yet, got some small glitches that still need to be worked out.

 

Permanent link to this article: http://driftmission.com/the-garage/setups-for-drift/tamiya-chassis-setups/tamiya-ta-05-grt-er-conversion-ki/

  • Aznpulse

    Hi, so I fallowed your idea about the solid axle in the front with a Center One-way.  But I was wondering if you happen to put a shim between the rear center pulley and the Front Center one-way.  I only ask because my center one-way has a slight drag and I see it rubbing against the rear center pulley. As for installation, I just dropped it in and replaced all the E-clips. 

    Here’s my pulley setup:
    F:40
    C:14/24
    R:30

    I know for sure that my belts aren’t too tight or rubbing against anything.  I do a chalk test to see if any plastics are touching the belts. 

    • Drift Mission

      oops, replied above :)

  • Drift Mission

    yes i believe i put 1 1mm shim in between… make sure its not too tight between the two center pulleys. I only use the solid axle up front for testing purposes. i plan on changing the front spool to a front one way eventually. Also i will also be changing the rear center to 24 soon ;)

    • William Huynh

      Any new videos with the updated TA05 Eagle?

      • DriftMission

        Thanks for your interest Willian!  There will be updates coming soon.  Right now I am working on some upgrades for it at the moment.

        New front one-way, slightly higher CS ratio, new TSD high angle CVD’s, Version 2 steering assembly, suspension arms, high angle c-hub and steering knuckle.
        Will update videos and settings once completed :)

        • William Huynh

          Thanks for the response.  My Eagle has all of those except for the high CS Ratio.  I’m currently running 72% for now.  But only because my switch back from left to right or vice versa is garbage.  I’ve tried messing with the springs, balancing the chassis, and droop screws. No luck….  I recently just tried using a 30g weight up front it seems to help a bit.  I’m afraid to add too much weight.  Anyways, I look forward to your next video.

          PS: Thanks for adding my Purple Soarer and RX7. =)

          • DriftMission

            Just added a new video to this post.  It still has a bit of a problem doing sudden switches but easily compensated with throttle correction.  Still more tuning to go, but so far it drives quite well!

            NP, always glad to post up nice rides =P

  • William Huynh

    Didn’t you have 55g’s of weight in the front?  Any reason for removing it?  I find myself depending on front weight to get more front traction. Otherwise I understeer  during drifts. 

    • Driftmission

      Yes it was previously necessary on the other chassis.  After upgrades I like to start tuning from scratch so the weight was removed.  Still in the process of tuning and tweaking so not sure if I will continue to use it.  The current setup works very well if weight shifting is carried out correctly, once the weight is unloaded incorrectly the car goes into oversteer city.  Currently just enjoying the challenge of tuning this car and will update in the future :)