The Praga Hostivař D was a four-cylinder, air-cooled, horizontally opposed aircraft engine first produced in Czechoslovakia in 1936 but which enjoyed its greatest success after World War II due to the explosion in popularity of sports flying.
The Praga Hostivař D was an early four-cylinder, air-cooled, horizontally opposed aircraft engine manufactured in Czechoslovakia in 1936 and gained prominence after World War II due to the rise in popularity of sports aviation.