Today Propeller, a global leader in drone surveying and 3D mapping solutions, announced that they are starting the beta phase for their new product, DirtMate, an innovative machine tracking system ...

Inspired by the machine gun setups on World War I planes he wanted to make a gun that can shoot between the blades of a spinning propeller. The original guns used an interrupter gear that ...

Machine guns were a logical complement to aircraft, but there was one problem: how to stop the gun from hitting the big propeller in the front. Machine guns were mounted on the top of the fuselage ...