Spartan "Cruiser" Commercial Airplane (British): A Six-Seat Low-Wing Cantilever Monoplane Page: 4 of 10
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N.A.C.A. Aircraft Circular No. 168 3
above the ground, it has been fitted with hand-turning
gear. The outboard propellers are within reach from the
ground, and the outboard engines are therefore started by
swinging the propellers.
FUEL SYSTEM
There are two main gasoline tanks, housed in th e wing
between the main spars, each tank heing s.tiated iKn the
wing just behind its engine. Each tank ha.ira capacity of
60 gallons (273 liters), which gives the airplane an en-
durance of six hours at an economical cruising speed of
110 m.p.h;. When the airplane' i's used 'as a passenger car-
rier the tanks will not normally be filled up, but will
contain enough fuel for about four hours' cruising. The
tanks are interconnected with large- balance pipes.' Each
engine is provided with a fuel -pump which feeds direct to
the carburetor. In the event of a pump failing, a cross
connection is arranged whereby the engine is supplied by
another pump. Fuel content gauges are fitted to each tank.
LUBRICATION SYSTEM
The oil tanks are placed in the fairings behind each
engine. (Figure 7.)
LANDING GEAR
The landing gear is of the "split" type and has a wide
track (10 feet). The telescopic strut, which ruins o the
under side of the front spar, is of the "oil-cum-steel"
spring type. The bent axle hinges on the centerline of
the bottom of the fuselage, in line, with the front spar,
while the radius rod runs to the rear spar. The tail wheel
structure is shown in Figure 8.
CONTROLS
Elevator and ailerons are operated by a hand wheel
on a hinged column, while the rudder control -is a paral-
lel-motion, easily adjustable bar. From the pilot's con-
trols to the various control surfaces the run through the'
airplane is by rods and cables. Engine controls are con-
veniently placed, and operate through rods and torque
shafts.
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Spartan "Cruiser" Commercial Airplane (British): A Six-Seat Low-Wing Cantilever Monoplane, report, August 1932; (https://digital.library.unt.edu/ark:/67531/metadc279559/m1/4/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.