Jan 18, 2025 · The XB-15 was a massive, four-engine, mid-wing cantilever monoplane with an all-metal semi-monocoque construction. It was powered by four 1,000-horsepower Pratt & …

Jan 18, 2025 · The XB-15 was designed and built between 1934 and 1935 and became the very first four-engined American heavy bomber ever envisaged in the US. Only one prototype took …

Jun 18, 2023 · A reference archive of previously suggested threads related to American Aircraft. This thread is a document for everyone to see and check before they create a double post on …