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wtcc's TT-02 KR

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Old 09-10-2018, 11:06 AM
  #46  
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You could break out a countersink bit, and use tapered head screws on the bottom of that. Also.. tapered head screws provide better centering. I mean, if you want an excuse to do it. :-)
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Old 09-11-2018, 11:15 AM
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I am too lazy for that

Because there is so much other stuff still to do.
So far the car has had no esc, no droop screws. It still needs a proper battery position for balance, an initial setup, a bumper, body stays, even a body...

Today I added the esc, did all the soldering, found a rough position for the battery, added the droop screws, setup droop and anti-roll-bars.








I am very happy that the car with battery and electronics is in a window for the perfect r/l balance without additional weights. I prepared my scales and setup wheels. In the coming days I will search for the front/rear position of the battery to get proper tire loads
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Old 09-11-2018, 12:03 PM
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It looks awesome

Is it wrong angle of photo or are both front and rear driveshafts angled towards rear? That might have some adverse effects on handling
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Old 09-11-2018, 12:17 PM
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Looking great man! Even though I have my high end cars.. My TT01 brings me all kinds of joy. I can relate to this for sure
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Old 09-11-2018, 12:18 PM
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The rears are angled more than I like. The problem comes from the arm geometry, which is symmetrical at Tamiya. With the TT02S steel armount set designed that way I would need to heavily treat the arms or the mounts, not knowing if this will work out properly.
I need to check if I find a solution to this problem.
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Old 09-11-2018, 01:33 PM
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Looks real good. Keep it up.
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Old 09-11-2018, 01:42 PM
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Oh man... sometimes, you just need to get a kick in the *** to find a solution / remove the brick from your head. Thanks, Papi
I just looked at the badly angled rear axle again and suddenly thought: „Hey, are you stupid?! You got everything to resolve this matter in a minute!“ I just needed to replace the front pinball of Tamiyas steel armmount set and the hinge pin with AE parts, add 9mm shims and that’s it. Before I thought I had to drill a larger hole into the arm or cut down the steel ball cup...





The front will be lined up perfectly, too. Just not today
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Old 09-12-2018, 12:57 AM
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Now it's perfect TT02 is truly versatile chassis
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Old 09-12-2018, 09:32 AM
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Default Xray tub chassis

With the Xray arms and shocks on a TT02, it looks like they've made a tub chassis. It will be interesting to see how it performs versus stock and versus an Xray. :-)
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Old 09-12-2018, 09:45 AM
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Hahaha, yeah. I hope it runs good



Today I lined up the front. This time it was just putting shims behind the arms and turning the steel front mount 180 degrees. It got some threads at both ends that I don‘t know what they are for With the arms so far in front they are in the way (of course).

And a picture from above. All arms lined up the car looks more compact than before. The wheelbase is now the same/like my new TC7.2.

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Old 09-12-2018, 10:37 AM
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this is pure insanity.

i love it. can't wait to hear how it runs.
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Old 09-12-2018, 10:54 AM
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Originally Posted by wtcc View Post
It got some threads at both ends that I don‘t know what they are for
Those threads are for downstops.
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Old 09-12-2018, 11:03 AM
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Time for some basic setup before setting it on the scales:



1.5* camber front and rear
Front toe out 1*
Rear toe 3*
Front 4* caster
Droop: 6mm in front and 5mm at the rear
Weight without body, tires, bumper and body posts: 1026g
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Old 09-12-2018, 11:09 AM
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Originally Posted by Papi View Post
Those threads are for downstops.
Aaaah They look far to nimble to do this job. Just googled it. On pictures it looks solid
Price is crazy in Germany: 14€ for a pair and would not work on my rear suspension with all these shims.
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Old 09-15-2018, 05:56 AM
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Accomplished two more tasks
First I added the bumper base and the body posts:





And then I put the car on the scales to look how bend the chassis and prototype parts are and where to put the battery:





The result shows once more how good the quality of the Tamiya TT-02 is. The chassis was on the scales with spacer that replace the springs (they go on the shock shafts). This should reveal every unbalanced weight placement and badly produced parts. Already the electronic side is well balanced. With the shorty I then could make it near perfect. Again a good day with the car.

Next tasks will be shopping for an Urethane bumper and an awesome GT-body. I decided for the Ford GT until yesterday when Bittydesign announced their new GT body. Now I need to wait
What other GT-bodies can you recommend?
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