Analysis of information sources in references of the Wikipedia article "W engine" in English language version.
The W, or broad arrow engine, has three rows of cylinders of which the central row is vertical with the other two rows forming equal angles with the vertical.
W engine is similar to a V engine but with three banks of cylinders. The two V angles are usually equal.
W-engine Same as V-engine except with three banks of cylinders on the same crankshaft.
W engine is similar to a V engine but with three banks of cylinders. The two V angles are usually equal.