Lake Charles, La.As seen in the November 1978 Model AviationThe 52nd National Model Airplane Championships had a lot of the main ingredient needed to make a good Nats—good weather. Except for a few hours of rain on the first outdoor days, the '78 Nats was blessed with either gentle breezes or calm. It was hot, very hot, but no worse than many parts of the country were reporting at the same time. Good weather resulted in lots of flying, and that's what helps to make contestants happy. But good weather wasn't the whole story—the Nats was mostly well run, too. There were very few…