Gt12 USA Spec
#426
Tech Elite
iTrader: (89)
Join Date: Aug 2009
Location: " The World's Most Famous Beach "
Posts: 2,307
Trader Rating: 89 (100%+)
Really liking the Protoform C8.R Outdoors
#427
Tech Champion
iTrader: (2)
Love my nsx from www.scale-speed.com. Hands down one of the best looking bodies for GT12!
Love that coat LOL
#428
Tech Rookie
Help with rubber tire setup
hi I have a 21 X-ray 12 and run crc carpet. I can,t find any info on a good setup and was wondering if anyone could help me. My car is very jittery and I,am running a spool.thanks and take care.
#429
Tech Regular
iTrader: (4)
Even in 17.5 foam tire, I have my son running a diff. Way easier to drive.
#430
Tech Rookie
hi thanks for your response. we run gt12 with rubber tires. I,am not the greatest of drivers but not the worst lol. the car is very nervous. Most everyone is running a spool and a awsomatic a12 but I chose a X-ray and would like to be more competitive . Don,t know if maybe try softer setup, any help would be great. Thanks and take care
#431
Tech Regular
iTrader: (4)
hi thanks for your response. we run gt12 with rubber tires. I,am not the greatest of drivers but not the worst lol. the car is very nervous. Most everyone is running a spool and a awsomatic a12 but I chose a X-ray and would like to be more competitive . Don,t know if maybe try softer setup, any help would be great. Thanks and take care
#432
Tech Regular
iTrader: (6)
Spool is hands down the way to go, you get way better drive out of the turns. I've been running medium front springs and medium side springs on my Roche, front ride height needs to be .2mm lower than the rear. Monitor your ride height as it will lower as the tires wear down. Run very little caster, if any at all. A lot of people like to run the car as wide as possible, I started there and then slowly narrowed the car while keeping the car stable. The wider the rear the harder it is to rotate the car but the more stable it will be. 1.5* of camber will keep the tires from coning, 1* of toe out will keep the car from wondering on the straights. Once you've set the front toe/camber, if you need more steering then narrow the front, a little goes a long way. If you start to spin out widen the front, if you traction roll widen the rear. The rear should always be wider than the front. Never ever glue the front sidewalls. Hopefully this will get you started and in the right direction. Again, do not swap out to a diff as none of this will apply, this is for spool only.
#433
Tech Regular
iTrader: (4)
GT12 has so little power that even with a diff, no one spins the inside wheel like the higher foam classes. Newer racers could benefit more from having a predictable car to drive than the 0.2 seconds a lap that a spool may provide. Different ways to learn to go fast. Try them both and check your consistency.
#434
Tech Master
iTrader: (17)
Spool is hands down the way to go, you get way better drive out of the turns. I've been running medium front springs and medium side springs on my Roche, front ride height needs to be .2mm lower than the rear. Monitor your ride height as it will lower as the tires wear down. Run very little caster, if any at all. A lot of people like to run the car as wide as possible, I started there and then slowly narrowed the car while keeping the car stable. The wider the rear the harder it is to rotate the car but the more stable it will be. 1.5* of camber will keep the tires from coning, 1* of toe out will keep the car from wondering on the straights. Once you've set the front toe/camber, if you need more steering then narrow the front, a little goes a long way. If you start to spin out widen the front, if you traction roll widen the rear. The rear should always be wider than the front. Never ever glue the front sidewalls. Hopefully this will get you started and in the right direction. Again, do not swap out to a diff as none of this will apply, this is for spool only.
#435
Tech Regular
iTrader: (6)
For the new roche p12 evo 2 and gt12 this has been the basic formula I've used to get the car under control. Originally went from using Ollie's setup, the car was extremely aggressive, too aggressive for GT12 in my opinion, as the car was always on the edge and trying to knife through every turn. Biggest changes I've made was the front/mid springs are now mediums and the rear is right at 170mm with the front at 167.6. More camber to add steering makes the car get twitchy and starts adding too much oversteer, I've found the car would maintain it's drivability and add steering by slightly narrowing the front end. Toe out past 1* made the car turn in more of course but at the same time I ended up scrubbing more speed than I benefitted from the initial turn in, I would go up to 1.5* max before I started really noticing tenths dropping off. I'm also using 0 reactive caster at the moment but that is something I'm going to play with this week as I'm only on week 4 of driving the car. This is just a basic setup I've used to make the car easy to drive with a spool. An easy/consistent car will be a lot better than an aggressive fast car if the person can't drive it.