Complex sentence: The model D17S was equipped with a 450 HP Pratt&Whitney R-985 radial engine the female aviator Louise Thaden won the Bendix Trophy Race in 1936 in a Staggerwing.
Split into simpler sentences: The model D17S was equipped with a 450 HP Pratt&Whitney R-985 radial engine. The female aviator Louise Thaden won the Bendix Trophy Race in 1936 in a Staggerwing.