Two-place high-wing monoplane. LeBlond engine, 70 horsepower.
Advertisement and schematic from Aero Digest, April, 1935:
Porterfield Aircraft Corporation, Kansas City, Missouri
• President and General Manager: E. E. Porterfield, Jr. Vice-president: M. S. Porterfield. Designer and Production Manager: N. R. Hockaday. Chief Engineer: Hugh L. Thompson.
Span 32 feet. Length overall 20 feet. Height overall 6 feet 7 inches. Wing area 145 square feet. Tail area 34.24 square feet. Wheel tread 66 inches. Chord 54.5 inches. Power loading 17.6 pounds per horsepower.
Empty weight 750 pounds. Useful load 485 pounds. Payload 195 pounds. Gross weight 1235 pounds. Fuel capacity 17 gallons. Oil capacity 2.5 gallons.
Maximum speed 120 miles per hour. Cruising speed 105 miles per hour. Landing speed 40 miles per hour. Service ceiling 16,000 feet. Rate of climb 800 feet per minute. Cruising range 315 miles.
Fuselage: Grade A Flightex fabric covered; chrome molybdenum steel tubing, Warren truss type structure; tandem seating arrangement with dual controls; baggage compartment; pyralin top and sides. Wings: fabric covered; spruce spars, built up ribs; strut braced by streamlined steel tubes on either side of fuselage. Tail group: fabric covered; chrome molybdenum steel tubing; large control surfaces; stabilizer adjustable in flight from cockpit; wire braced to fuselage with Macwhyte products. Six coats of Berryloid nitrate dope are used and several coats of hand rubbed Berryloid lacquer. Vee-type landing gear equipped with Goodrich 7.00 X 4 tires, Shinn hub, Rusco ring shock absorbers; stressed for wheel brakes. Leaf-spring tail skid.
Standard equipment includes wood propeller, wiring for navigation lights, ignition switch, Pyrene fire extinguisher. Optional equipment includes Townsend type ring, tail wheel, storage battery. Also available with 65 horsepower Velie engine.
Instruments: altimeter, oil temperature gauge, oil pressure gauge, tachometer, fuel gauge. Also see data in August, 1934, AERO DIGEST.
The text of the advertisement follows:
$1295 To $1795
THE LOW-PRICED, TWO-PLACE
PORTERFIELD
CABIN MONOPLANE
GOVERNMENT APPROVAL
No. 498
is meeting with universal acceptance
in South America, Central America,
Mexico and in twenty states.
The low price of this fast (120
m.p.h.) airplane includes
FREE FLYING INSTRUCTION
Its economy (four gallons per hour for
student instruction and five gallons per hour
for cross country flying) appeals to those
who watch their dollars.
Demonstrations are given by the following
representatives. They also give complete
flying courses without charge to those who
purchase
PORTERFIELD AIRPLANES
Servicio Aereo Baughan
Av. Juarez No. 60
Mexico, D. F . Mexico
Richard Busfleld
Upton. Wyoming
Vermilya-Huffman Flying Service
Lunken Airport
Cincinnati. Ohio
Dougan Jones
Alhambra Airport
Alhambra. Calif.
Aviation Associates. Inc.
Curtiss.Steinberg Airport
East St. Louis. Ill.
Tarkington Aviation Co.
Municipal Airport
Indianapolis. Ind.
Georgia Flying Service Candler Field
Atlanta, Georgia
Ivan J. Sharp
Poplar Bluff, Missouri
L. S. Dennis Balboa
Canal Zone
Or. Wm. B. Crowaey Scott, Arkansas
Dick Schall
(Phone: Greenwood 1676)
Berwyn, Maryland
Dale Hunter
Municipal Airport
Sacramento. Calif.
Floyd Davis
1016 Twenty-Eighth St.
Des Moines. Iowa
Luther Caruthers
Beaumont Flying Service
P. O. Box 2972
Beaumont. Texas
Roy W. Harmon
235 Ravine St.
Rochester. N. Y.
Harry A. Hammill
Austin Mun. Airport
Austin, Texas
For further information write
PORTERFIELD AIRCRAFT CORPORATION
2500-2510 McGee Trafficway
Kansas City, Missouri