Climate and average monthly weather data for Zugspitze, Germany displayed in a beautiful overview. Find the best time to go to Zugspitze.
Removing the flash from a casting is beneficial in a head because it eliminates the swirling effect of the air/fuel. Don't go taking lots of metal out, just smooth out the surfaces and you should be fine.
As-Cast Condition:Casting without subsequent heat treatment. Back Draft: Reverse taper which would prevent removal of a pattern from a mold or a core from a corebox. Bar, Flask: A rib in the cope of a tight flask to help support the sand. Backing Sand:The bulk of the sand in the flask.