Good post 57K... :wink:
While goose didn't specify what constitutes "warm side", I kinda assume that means "near full tilt". Perhaps I'm wrong... :?
At any rate, overly hard bullets have discouraged many from the joy of shooting cast bullets and "some" people mistakenly believe that leading is reduced by harder bullets. That can actually make leading worse...
57K you obviously have a good grip on the relationship between BHN and powder rise time/pressure curve... :wink:
Oh and goose, if indeed you are looking for horsepower from those 240 gr, I would reach for the W296/H110... 8)