If you look at aircraft from the Second World War or earlier, you'll notice that many of them have engines with large frontal areas and cylinders arranged about the propeller crankshaft. This a radial ...
The Martin JRM-3 Mars is offered for sale by Platinum Fighter Sales for $5 million, and yes, it’s ready-to-fly. The plane’s life began originally in the lead-up to World War II, when the US Navy ...