Not to be confused with Head (hydrology). The static head of a pump is the maximum height (pressure) it can deliver. The capability of the pump at a certain RPM can be read from its Q-H curve (flow vs ...
Based on a Wright R-975 Whirlwind radial engine, the Hackel-Wright Chopper is unlike any motorcycle you've seen before. It borrows components from Harley and Toyota and is built by a guy named Al ...
in diameter. This head features a hydraulic hood for control of the outflowing material, a support roller with integrated skids, a trapezoidal belt transmission and interchangeable protection chains.