RE: P&Y Scoring
A, B, and C are useless and do not count towards anything. D is the inside spread at the widest point, aka spread credit, and it used only if it is less than the total length of the shortest main beam. If it is greater, then you use the longer main beam length. It is sort of confusing I know.
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"We cannot expect the Americans to jump from capitalism to Communism, but we can assist their elected leaders in giving Americans small doses of socialism until they suddenly awake to find they have Communism" - Nikita Krushchev 1959
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