NZ builder Dave M's Cyclekart

Finally, all the bugs have been dealt with. It steers well with 1 degree of toe in and the new splined steering wheel quick release is firm, with no free play.
The brakes are better after improving the leverage advantage on the pedal, but they are still harder than is ideal.
The throttle is more progressive and it returns to idle positively now, which makes for a more relaxing driving experience :)