sentences:  An 80-gallon armour-protected fuel tank was mounted at the rear of the tank and the supply routed along the exterior of the hull to a projector on the front near the co-driver who would control it.Propelled by an inert gas, Adder had a 100-yard range.The basic premise of the project was to create a weapon capable of shooting a jet of flame high and wide enough to force incoming bomber pilots to either pull out of their dive or brave a pillar of flame potentially capable of damaging or destroying their plane.