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Everything posted by lefmir

  1. Just wanted to report back after changing the rear diff to gears. So all in all it's a bit unbalanced especially if there is little grip on the road(i.e. dried dust) and the rear just shoots out. It does not bother me that much, it feels more like a RWD car but with a bit more control. I want to believe that it's similar to the real car. At the end of the run, after I got the hang of it it was quite enjoyable and it slided very "scale-ish" in the corners. On fresh tarmac it's fine, a bit tail happy and it turns sharper. What seems to be the common denominator is that if you shift the weight of the car from one side to the other rapidly you will 100% lose the rear and spin and it did not do that before. I need a few more runs to have a definite picture.
  2. They actually are warm white, but the little gremlins inside my head did not like the colour temperature.
  3. Thank you both for the insight, it seems rather poor customer service(and overall product quality) to not admit that some parts are defective or that they have too much tolerance to function as intended. I'm going to run the geared diff, because the dealer paid for it and we will see in the future if I may hop-up to another ball diff or pressure plates, but as of now I'm fed up with investing in this chassis. Here is another photo with the lights, It was an hour job with Tamiya clear yellow and orange lacquer to try to get the correct "incandescent-halogen" tint for the lights. I really enjoyed building this model, it's a shame that it was tainted in my mind by this problem.
  4. Hello Tamiya Club! I am new member of this forum and I need your help. I've built a TA-02S Lancia 037 about 2 months ago and I have problems with the rear ball differential. As far as the manual goes, the differential is built correctly and it does its job well, It does not slip. The problem is the right pressure plate, the grooved part that connects the diff to the right cup keeps shearing off. I've sheared 2 so far and the dealer that I got the model from suggested I convert to a gear differential on the rear also and kindly provided me with a discount to do so. I'm awaiting the package. I use a Torque tuned motor in it, nothing extreme, and a 2s LiIon battery. What I did do with this model is i've run it on mix grip terrain, on patchy short grass and I sometimes like to punch the throttle mid conver to get the back to kick out. As far as engineering goes the fault here seems to be that the rear dogbones are at an angle(being the short wheelbase version) and they do not press enough on the inside cup to keep it seated in correctly the diff, it slides a bit out of the diff, it's seated halfway let's say and it keeps rounding off over and over until there is nothing left there. There is no retainer system on the cup(like the XV-01) and this action of sliding out it seems to be it's undoing. And yes, I've included initially 1 o-ring in the drive cup and the last time i've put 2: one on the wheel side, one on the diff side, it still did not matter... I do not know if I drive it wrong, if I've built it wrong or if it's an engineering problem. I've contacted Tamiya directly and they said that this is not a known issue. Does anybody have this issue and even if not, can you tell me if I did anything wrong with the build or driving style maybe? Thank you! Mircea
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