New Schumacher KF2
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#137
Tech Regular
If the car isn't wheel spinning, the slipper isn't slipping and the ball diff is good then your problem is electric and not the car. How hot is your motor after a run?
#140
I'm looking through the directions that are posted online and I don't see anything regarding the low grip options. Are there published directions for installing the low grip option?
Does the kit contain multiple spring options or only one set fronts/rears?
The vented cap option, why does it contain a diaphragm if it's vented?
Thank you!
Does the kit contain multiple spring options or only one set fronts/rears?
The vented cap option, why does it contain a diaphragm if it's vented?
Thank you!
#141
Tech Master
iTrader: (96)
I was running my Kf2 this weekend on a medium sized indoor clay track running 17.5. Car was good i switched the rear springs to 1.6's and left everything else stock. My car does have the carbon fiber chassis with the shorty conversion installed, ball diff, U4616 aluminum upper trans housing with the shock mounted on the rear of the arm, and i am geared at 34/70 on a orion vst2 17.5 motor running afer 6 minutes i was at 120 degrees and a orion 4500 100C carbon pro shorty, total weight with everything in my car was 1561 grams. The car seemed sluggish to get back up to speed coming out of a slow corner, anyone have any ideas on getting more accleration out of this thing? Where do you guy run your belt tension settings at?
Some things i have already tried are ran little looser gear mesh, locked the slipper to make sure it wasnt slipping out of a corner, tried a 35 tooth pinon didnt notice a diffrence same temp after 6 minutes, recalibrated my esc (hobbywing v3.1 stock spec) and tried diffrent punch control settings.
I do plan on getting the pucks system soon and those aluminum outdrives should help acceleration with less rotating weight, i do wish someone would come out with a slipper eliminator for this car and that would free up alot more rotating mass.
Some things i have already tried are ran little looser gear mesh, locked the slipper to make sure it wasnt slipping out of a corner, tried a 35 tooth pinon didnt notice a diffrence same temp after 6 minutes, recalibrated my esc (hobbywing v3.1 stock spec) and tried diffrent punch control settings.
I do plan on getting the pucks system soon and those aluminum outdrives should help acceleration with less rotating weight, i do wish someone would come out with a slipper eliminator for this car and that would free up alot more rotating mass.
#142
Tech Regular
iTrader: (3)
The kit contains only one set of springs and they are made by CoreRC. The fronts (CR183) are the "black" color code with a rate of 4.0. The rears (CR185) are the "red" ones and have a 2.0 rate.
#143
Tech Elite
iTrader: (13)
I was running my Kf2 this weekend on a medium sized indoor clay track running 17.5. Car was good i switched the rear springs to 1.6's and left everything else stock. My car does have the carbon fiber chassis with the shorty conversion installed, ball diff, U4616 aluminum upper trans housing with the shock mounted on the rear of the arm, and i am geared at 34/70 on a orion vst2 17.5 motor running afer 6 minutes i was at 120 degrees and a orion 4500 100C carbon pro shorty, total weight with everything in my car was 1561 grams. The car seemed sluggish to get back up to speed coming out of a slow corner, anyone have any ideas on getting more accleration out of this thing? Where do you guy run your belt tension settings at?
Some things i have already tried are ran little looser gear mesh, locked the slipper to make sure it wasnt slipping out of a corner, tried a 35 tooth pinon didnt notice a diffrence same temp after 6 minutes, recalibrated my esc (hobbywing v3.1 stock spec) and tried diffrent punch control settings.
I do plan on getting the pucks system soon and those aluminum outdrives should help acceleration with less rotating weight, i do wish someone would come out with a slipper eliminator for this car and that would free up alot more rotating mass.
Some things i have already tried are ran little looser gear mesh, locked the slipper to make sure it wasnt slipping out of a corner, tried a 35 tooth pinon didnt notice a diffrence same temp after 6 minutes, recalibrated my esc (hobbywing v3.1 stock spec) and tried diffrent punch control settings.
I do plan on getting the pucks system soon and those aluminum outdrives should help acceleration with less rotating weight, i do wish someone would come out with a slipper eliminator for this car and that would free up alot more rotating mass.
#145
Tech Regular
How tight are you running the belt? Maybe try it a bit looser, if it starts to slip you'll hear it so know you'll need to tighten it a bit.
One of the guys at our track is using a spacer made by RW so a normal slipper can be used so less rotating mass, but this is a one off at the moment, not sure if this will be sold to the public, be good if it was though.
One of the guys at our track is using a spacer made by RW so a normal slipper can be used so less rotating mass, but this is a one off at the moment, not sure if this will be sold to the public, be good if it was though.
#146
can we use only u4615 with std rear upper trans housing to take the shocks behind the rear wishbones or we should order u4616 ?
#147
Tech Regular
iTrader: (3)
The small carbon fiber plate is only used in the forward mounting position. So if you could get U4615 and then a pair of the alloy upper housing parts you would be set to mount the shocks on the rear.
#148
Will ball diff u3856 fit? Is it any different from u4199? From what I can find, it appears to use the same diff halves, gear, and rails.
#149
Tech Addict
iTrader: (13)
If you look at all the parts that make of both of these diffs, you will see that they use different part #'s for the gear, the outdrives etc. I cant say for sure if they would interchange but would think there would be enough differences that would hinder interchangeability.
#150
Tech Regular
You would need to change the diff pulley for U4196 and then it will work. This is exactly what I did when I first got the K1 and converted my spare SX3 diff.