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Having recently converted a GF-01 chassis to accommodate the Wild Willy 2 body (here) there was a lasting impression. That to replicate the look and feel of the 1982 original SWB then some custom design work would be required, namely: - a modified chassis with a shorter wheelbase and the body lowered and correctly positioned over both axles, and - custom wheels with an offset to get the correct track front and rear. Initial focus is on the chassis and getting the wheelbase right - once successful then attention will shift to the wheels. My initial GF-01 conversation (here) had been done with the spirit of: - maximising the use of Tamiya parts, and - minimising the impact on the body. After countless hours on a computer with a friend, @Jamesssb, and multiple working prototypes a new chassis design started to emerge. This chassis, we’ve called it GF-01 SWB, has the following characteristics: - 165 mm wheelbase (as per the first 1982 SWB Wild Willy), - compatible with GF-01 four wheel drive gears, suspension parts and wheelie bar, - compatible with the Wild Willy 2 chassis rails and body posts albeit with the height reduced by two holes, - requires only the the L-shaped wall on the underside of the WW2 body to be removed, and - correct ride height when used in conjunction with original or reproduction tyres and Tamiya hop up dampers. The hump pack has been inverted to save space and allow the height of the body to be reduced. The front camber link has been relocated in an attempt to try and replicate the characteristics of camber of the original. The rear camber link has been repositioned to reduce the camber during normal use - in an attempt to reflect that the original had a live axle and zero camber. For fun the receiver on/ off switch is located in the original position next to the driver and can accommodate the traditional protective rubber cover. Will put up on Shapeways when complete but suspect it won’t be cheap - but happy to take advice on alternatives. However, this approach will allow me to bash about with a model where consumable/ spare parts are readily available (and many metal aftermarket items) combined with a currently produced (cheap) body that requires minimal cutting (just the L-shaped wall on the underside). I’m keen to hear suggestions that could be factored into the design; for example, maybe a LWB version with the rear axle pushed back by 10 mm. Will post more pictures as the project develops.
Hello, glad to be a part of the community. I’ve almost finished my first Tamiya project in years and I’m having a problem with drive issues. I bought a super cheap but very clean used TB-03D to do a rally conversion (rally block tires and wheels, EVO III WRC body). I’m running a stock gearing of 64t Spur and 23t .06M pinion. I believe the previous owner installed a one way spool in the front because the car basically has FWD only and zero reverse. I get no wheel spin in the rear. I assume I have to tighten something in the diff or the drive shaft/spur, but no idea as this is my first Tamiya build in over 10 years. Any help/tips? Link to a short YouTube video of the problem: