At 10:40 AM 7/31/2006, you wrote:
The real question is "why fly different classes in the first place?". If
the tasks are all the same, then why change to planes that have less
functionality or lower capability? Even F3J contests are just TD
with a man tow. So why are there
different events for the same thing?
LSF first divided soaring into two classes sometime before 1973. By
1973, the SOAR Nats had grown so large that they decided to adopt the
LSF class system in order to award more trophies without awarding
trophies so far down the list. After all, a fourth place trophy
sounds better than a 10th place trophy for the same score. As I
remember, 100 inch span was chosen because about half the fliers had
models with wing spans over 100 inches and there were a lot of kits
with wing spans between 90 and 100 inches on the market. At least
that was the explanation given when the SOAR Nats established
standard class as models with wing spans up to 100 inches according
to an article published in Sailplane. I could look it up but I am
too lazy to search my collection of Sailplane magazines. :-)
Chuck Anderson
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