"Thomas-Morse» S-4. Photo. Characteristics
"Thomas-Morse» S-4. Photo. Characteristics

"Thomas-Morse» S-4. Photo. Characteristics



A type: Single single-engine biplane. Used as a fighter and training aircraft

Crew: one pilot

Aviation company "Thomas-Morse» (Thomas-Morse) was formed in January 1917, when brothers Thomas English descent agreed to cooperate with the American company "Morse K0 Chine» (Morse Chain Co). Their chief designer was BD Thomas (no relation), who previously worked on the plane "Jenny" for "Curtiss". His first proposal to his new employers was also a training single-seater S-4 «Scout» (Scout).

This tiny plane was ordered Corps Communications 100 in the number of copies for the training of pilots. Given the designation S-4B these aircraft were equipped with engines rotativymi "Dwarf" "Monosupap", although the choice was not entirely successful because of the constant leaks. This problem was so severe that the subsequent series of 400 aircraft S-4C, ordered in January 1918 years used mene powerful but much more reliable engine "Ron" 9S.

Used exclusively in the US plane 'Tommy »(Tommy), as he was called to operate, was soon withdrawn from service after the end of military operations, and many released planes found a profitable use of civil aircraft as racing or shooting movies. Their widespread use in private hands provided that at least 15 aircraft S-4 (virtually all S-4C) survived to 1990-ies, several of them in airworthiness.

"Thomas-Morse» S-4. Photo.


Basic data


  • Length: 5,82 m
  • Wingspan: 8,01 m
  • Height: 2,73 m


Flight duration: 2 hours

Power point: "Dwarf" "Monosupap" and "Ron" 9S

Power: 100 l. from. (74,5 kW)

The weight:

  • BLANK: 426,38 kg
  • Maximum take-off: 603,28 kg


Date of first flight: June 1917 years

On right: It seems that this aircraft is equipped with S-4C completely, except for the screw.

Aircraft performance characteristics:

  • Maximum speed: 155,2 km / h


The remaining airworthy modifications: S-4B and S-4C