Triple Expansion Marine Steam engine update 2

If this is your first time seeing this Thing please take the time to look at the other associated files to get the whole deal. This is a multi part project to build a highly detailed Marine steam engine. If you are following me as i fumble through this project I thank you. This update contains all the parts needed to build the crankshaft of a 750 HP marine steam engine. This is by far the most challenging project that I have done Please feel free to comment snicker or cry. most of all......