In these, valves are on the side of the combustion chamber, in the engine block, and fuel and air enter from the side and exhaust exits out the same side. A cross section of this type of combustion chamber looks like an upside down letter L. So, flatheads are sometimes known as L-head engines.
They are American iconsâthey're on our dollars and coins, they are the subject of our monuments, and we live our daily lives in the world their ideas helped create. America's Founding Fathers include George Washington, John Adams, Thomas Jefferson, James Madison, Alexander Hamilton, James Monroe and, of course, Benjamin Franklin.
Americaâs Founding Fathers were actually Essex boys, with Plymouth accused of hijacking the Mayflower, the ship that carried them to North America nearly 400 years ago, according to claims.mericaâs Founding Fathers were actually Essex boys, with Plymouth accused of hijacking the Mayflower, the ship that carried them to North America nearly 400 years ago, according to claims.