Huff Daland’s XB 1 bomber design of 1926 was cancelled and reordered as the Keystone XB 1B, a five seat biplane with two 600 hp Curtiss V 1570 5 Conqueror engines. It never progressed beyond prototype stage.
Huff Daland’s XB 1 bomber design of 1926 was cancelled and reordered as the Keystone XB 1B, a five seat biplane with two 600 hp Curtiss V 1570 5 Conqueror engines. It never progressed beyond prototype stage.