![Plane 2: Douglas D-558-II Skyrocket (1948-1956) first flew with both jet and rocket engines, but later only rocket power. Dropped from a Navy PB2 (B-29), the Skyrocket was the first aircraft to Plane 2: Douglas D-558-II Skyrocket (1948-1956) first flew with both jet and rocket engines, but later only rocket power. Dropped from a Navy PB2 (B-29), the Skyrocket was the first aircraft to](https://preview.redd.it/bb8jd0x3evg61.jpg?width=640&crop=smart&auto=webp&s=f1f8e56b66a1e7f2e0110d31af82fbf1c0381759)
Plane 2: Douglas D-558-II Skyrocket (1948-1956) first flew with both jet and rocket engines, but later only rocket power. Dropped from a Navy PB2 (B-29), the Skyrocket was the first aircraft to
![Charles B. Kirkham of Savona, N.Y., one of the earliest and best known airplane engine designers and builders, originally built motorcycle engines, and did casting and machining for Glenn Curtiss, whose Hammondsport Charles B. Kirkham of Savona, N.Y., one of the earliest and best known airplane engine designers and builders, originally built motorcycle engines, and did casting and machining for Glenn Curtiss, whose Hammondsport](https://c8.alamy.com/comp/2GGBNT6/charles-b-kirkham-of-savona-ny-one-of-the-earliest-and-best-known-airplane-engine-designers-and-builders-originally-built-motorcycle-engines-and-did-casting-and-machining-for-glenn-curtiss-whose-hammondsport-factory-was-nearby-between-1910-and-1912-kirkham-designed-and-built-his-own-engines-from-1915-to-1919-he-was-chief-engineer-for-the-curtiss-airplane-and-motor-corporation-later-founding-his-own-company-kirkham-designed-tooled-up-and-built-this-engine-in-1929-it-is-believed-to-be-the-first-vertically-opposed-air-cooled-engine-it-was-an-experimental-design-and-was-equipped-2GGBNT6.jpg)
Charles B. Kirkham of Savona, N.Y., one of the earliest and best known airplane engine designers and builders, originally built motorcycle engines, and did casting and machining for Glenn Curtiss, whose Hammondsport
D-558-2 being mounted to P2B-1S launch aircraft in hangar - PICRYL - Public Domain Media Search Engine Public Domain Search
![Baldwin Red Devil. Pusher biplane with one 50-horsepower Maximotor B-4 four-cylinder engine. Very similar in layout to the Curtiss Model D "Headless Pusher" of the same time period Stock Photo - Alamy Baldwin Red Devil. Pusher biplane with one 50-horsepower Maximotor B-4 four-cylinder engine. Very similar in layout to the Curtiss Model D "Headless Pusher" of the same time period Stock Photo - Alamy](https://c8.alamy.com/comp/2BF11W2/baldwin-red-devil-pusher-biplane-with-one-50-horsepower-maximotor-b-4-four-cylinder-engine-very-similar-in-layout-to-the-curtiss-model-d-headless-pusher-of-the-same-time-period-2BF11W2.jpg)