Quote:
Originally Posted by Chris
Dear all,
When building the TRF 502X I have found some design mistakes:
- the shock tower attachment on the front upper gearbox cover does have a wrong angle. This should be the same angle as the front kick-up. The result is binding of the front shocks when mounted according the manual. It can be solved by use of a double shock tower, but the shocks won't be square with the lower arms. The TRF 511 doesn't have this problem.
-The slots in the diff joints are too large, in this way dust can easily enter the "sealed" gearbox. To prevent this i used a piece of heat shrink to cover the slots. (only covering the slot that's inside the gearbox)
Some minor things:
-Where is the angled steering system from the TRF 511? I for the best steering characteristics the steering system should be parallel to the steering uprights, like was done on the TRF 511 and 501X.
-The rear shocks are not reversible like on the TRF 511. Shocks can only mounted on the front side of the suspension arms. BTW: I didn't like driving the rear mounted option on the TRF 511.
-The gear box housings are not fully sealed like on the TRF 201. A sealing edge is missing. The gearboxes are very stiff and secured with 6 screws, so hopefully there is no need for sealing edges.
-accessing the motor screws is not easy, an improved motor mount like on the B44.1 should be nice.
- a double slipper clutch, I like this option very much on the TRF 511
So hopefully tamiya releases soon an updated front gear box cover and improved diff joints.
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This is your post
agree with point one 2mm spacer longer bolt job done
point 2
no more than any car with similar design (B44 D4)
point 3
not possible as gear box in the way
point 4
no where does it say this can be done!
Point 5
Again no more than cars of similar design (B44 D4)
Point 6
Not a problem if kit supplied allen key used
Point 7
Both the 511 and 502 have the same type of slipper clutch
like i said it sounds like you dont like this car.
stu