Hall Aluminum Aircraft Corporation XPTBH-2
2437-XPTBH-2-9721-Right-Front-View-19370125 Hall Aluminum Aircraft Corporation answered the US Navy request for a new scout and torpedo bomber in 1934 with the XPTBH-2. The twin engined, twin float shoulder mounted wing monoplane that they delivered was a sleek and interesting design. 2341-XPTBH-2-9721-Powerplant-Inbd-LH-Nacelle-19361101 The aircraft was powered by two Pratt & Whitney R-1830 Twin Wasp radial engines. It featured a tubular wing spar, aluminum floats and wing leading edges. 2370-XPTBH-2-9721-Bomb-Installation-19361201 A single Mark 13 torpedo could be carried by the XPTBH-2 or 2,000 lbs of bombs. 2412-XPTBH-2-9721-Deck-Gun-19361228 Defensive armament was a nose mounted gun turret with a .30 caliber machine gun and guns firing from top and bottom potions in the rear of the aircraft. No production order was forthcoming for the design despite good handling characteristics in the air and on the water. The single prototype first flew in