On Wed, Apr 28, 2010 at 8:58 AM, Michael ODonnell < michael.odonn...@comcast.net> wrote:
> > > > I have my GPS on all the time, even when I don't need directions. > > I just have a humble little unhacked Mio C320 but was pleased to discover > an unexpected benefit while driving some twisty Appalachian mountain > roads at night in the fog. I usually have it rigged HUD-style (more or > less the view out-the-windshield) and it was a big help as we felt our > way along to know that, say, a gentle right right turn was coming up > followed by a *sharp* left, etc. So it was not only useful telling us > where we were in absolute terms but also for, um, "terrain avoidance"... > > When I used to ride Enduros and Turkey Runs (http://www.netra.org), you had a route sheet on your handlebars. It was a turn by turn description of the route with mileage. You'd advance it line by line as you rode. Your odometer needed to be resettable in tenths to recalibrate. Imagine doing that on a motocross track. The enduros also had times for a 24 mph average to be on your minute. You needed a watch or two for that. Eventually they came up with enduro clocks in the 80s to display your minute and milage that could be set forward or back as you lost time. Now you're riding a motocross track, scrolling the chart and doing time arithmetic all at the same time. Some checkpoints calculated to the second as timebreakers so riders would ride 15 seconds "hot" so they had some cushion. Nowadays, they might also have downloadable GPS routes to put on your bike's GPS. Or not. Sometimes they also collect the routesheets after to keep people from riding after the event. They might only have permission to ride on someone's property on event day.
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