Just wondering how this is done in different organizations. Our local hillclimb club, uses a computer to keep time. A starter counts down from 3-2-1 go, somebody hits a button to start time at that moment. At finish they cross a timing light, and a time is generated. Hand held radios do not often work because of line of sight considerations with mountain terrain. So the club uses both hand helds and a hard wired radio system. They run this wire up the hill for each event....it has only two strands of wire. Just wondering how one could use a timing light at the bottom, and one at the top and avoid adding more wire.
Rally must time in and time out with sync'd clocks, how do they maintain the sync?
We use a rolling start and trip some kind of photocell(?) to start the clock and there is a similar device at the finish line. The starter enters the car number into the computer when you stage. We usually have 2-3 cars at a time on the hill (depending on the class). We have a Rahal Lola that runs with us occasionally and he gets a solo. If you want additional information, visit our forum. I'm sure there are people on there that have more knowledge than I do. It's at 
). I'll ask about it next weekend at the hillclimb since I have the last 2 corners and finish line where the timer is.
