I have measured and calculated the gears myself. The Diametral Pitch of the t-jet gears is 64. Centre to centre distance for the large 24T gears is 0.375". C to C for the large idler gear to 14T motor drive gear is 0.297" .
I just started in this hobby in December 2006, after buying my children a Tomy Super International Race Set. The gentleman whom sold me the set has informal races with a group of guys in private residences about every 5 weeks. At the first "Race Night" ...more of a boys night out really , I really found out how fast these cars can go. Unfortunately my cars were more off the track than on !!
So our next race night is in 4 weeks, for Unlimited T-Jet I will be secretly unveiling my secret weapon, a 4WD AND rare earth magnet T-Jet !!!! These fellows have years and years of racing, some even previously going to sanctioned race events. They all race for fun now, in informal settings. More as a joke really, I will be closing the "experience gap" with some serious technology on my side. Unlimited G+ will be my next challenge. Never underestimate the lengths a Machinist will go to in a fun challenge !!!
I found I can race with the big boys (ok, not the really big, 200.00 a car big boys) but the standard custom work guys, just by using my most broken in car.
Buying 10 tjet chassis and narrowing down to the 3 best cars, breaking them down cleaning them and mixing the parts around is usually enough to give you a great, smooth runner or 3. silicone tires, one thing I would do to smooth out the gears is smear them with toothpaste, then take the tires off, rubber band around the contoller and let it run for a while, then turn the car around so the gears mesh in the other direction. And silicone tires.
All I ever did. and in the last year I started buying rare earth magnets to glue in the backend of the uncontrollably fast cars.
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