[Graham]

 Hi Folks

The course stewards have been running the course cars to day,and have concluded that the track is too hazardous to run the ramps on the course.

So a new rule for all course hosts:
The course must allow for the car guide and drop arm (minimum 4cm length)  of the cars to maintain contact with the contact rails at all times.

This is to even up the time differential between the short and long guide arms cars.