Stearman | ||||||||||
C-3B . |
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Photo: Robert Deering
7/15/2013 Museum of Flight King County International Airport (BFI) Seattle, Washington |
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The
C3 was a rugged biplane with simple straight
wings, a tough undercarriage with oleo shock
absorbers and two open cockpits with the
pilot in the rear and two side-by-side
passenger seats in the front. In fact, it
was a slightly modified version of the
earlier model C2 aircraft. Changes included
an increased volume oil tank and larger
sized baggage compartment.
Introduced in 1928, the C3 was powered by a
variety of engines of between 128 hp and
225 hp, each version having its own
designation. The
last version of the C3 was the C3R which had
several external differences including a
cutout in the aft portion of the wing center
section for improved pilot visibility, a
headrest in the aft cockpit, and slightly
increased chord of the rudder and vertical
stabilizer. Although there were
several versions of the C3, most were either
the C3B and the C3R. A few C3s were approved
for float operations.
The C3 was built with light commercial
applications in mind, including passenger
flying and business flights. The C3MB was a
special mail-carrying aircraft based on the
C3 with the forward cockpit enclosed as a
dedicated cargo compartment. This version
was operated in 1928 by National Parks
Airways on airmail route CAM 26 from Salt
Lake City, Utah to Pocatello,
Idaho and Great Falls, Montana. |
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