BRS: Yakovlev Yak-1b Squadron

The Yak-1b was an unofficial designation for a host of improvements, which culminated in a new standard of production for the Yak-1 by October 1942. Among other improvements the Yak-1b’s engine was upgraded, it had a bubble canopy fitted, a retractable tail wheel, an improved gunsight and cockpit controls including a new control stick based on the Bf 109.