The Scott Motor Cycle Company belonged to the Scott Motors (Saltaire) Ltd. group of Yorkshire.

-This brand of motorcycles was also well known for its machines and small engines.

-In 1934, it began to design an aerial engine and it was ready by August 1935.

-It was an inverted two-stroke inline twin-cylinder engine that was installed on the Mignet “Pou-du-Ciel”.

“Mignet and motorcycle, with a Scott engine”

-It had a displacement of 652 cc with two pistons of 73 mm bore by 78 mm stroke.

“Scott Flying Squirrel”

-The obtained power depended on the needed rotation speed, thus at a normal speed of 2,800 rpm, it gave only 16 HP.

-At maximum speed of 5,200 rpm, the power rose to 34 HP.

“Flying Squirrel”

The following engine does not seem to be from a motorcycle engine manufacturer because it was a rare rotary engine with only two opposed cylinders that produced 12 HP. In 1910 it was installed on the Boultbee aircraft.

“The uncovered Boultbee monoplane” (PiP-fmr)

“The two-cylinder rotary engine”