:Hurricane Mk IIA Series 2 was equipped with new and slightly longer propeller spinner and new wing mounting 12 x . 303 in ( 7.7 mm ) Browning machine guns.
12.
The propeller spinner that is on the " Spirit of St . Louis " now was hastily made in New York to replace the cracked original and was on the aircraft during the transatlantic flight.
13.
No . " 41-19504 " ) first flew on 10 July 1942 at Mines Field, propeller spinners on production aircraft . Repeated collapses during testing led to strengthening of the nose landing gear.
14.
Hopkinson used the basic Playboy design and incorporated a Piper J-3 cowling, a Cessna 170 propeller spinner, de Havilland Tiger Moth wing struts, Cessna 140 conventional landing gear and Stinson 108 wheel pants.
15.
This was not sufficient to adequately evaluate the design, so in March 1940, the engines were replaced with Piaggio P . XII radial engines with three-blade propellers, with improved engine nacelles and propeller spinners.
16.
In the Heinkel system, an " S "-shaped steel pipe took the coolant from each side of the engine to one of two steam separators mounted alongside the engine's reduction gear and immediately behind the propeller spinner.
17.
During this period, he frequently repainted the propeller spinner in different colors to create the illusion of a much larger fighter force in the area than a single aircraft, becoming in effect a " one-man air force ".
18.
An early modification led to the "'Hispano-Suiza 12Ycrs "'which used a hollow 20 mm cannon to fire through the propeller spinner ( a combination known as a " moteur-canon " ).
19.
A factory team from N?301, headed by K . A . Sinelshchikov, was detached from the propeller spinner, with 120 rounds, and two 7.62 mm ShKAS machine guns under the cowling, each with 750 rounds.
20.
The armament was reduced from the C model to one MG FF / M in the engine V firing through the propeller spinner, and two 7.92 mm ( . 30-caliber ) MG 17s in the wings close to the fuselage.
