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Cessna 175 Skylark
Single-engine four-seat high-wing tricycle-gear light cabin monoplane, U.S.A.


Archive Photos [1]


[1959 Cessna 175 "Skylark" (N7688M, s/n 55988) at the 2009 Cable Air Show, Cable Airport, Upland, CA (Photos by John Shupek)]

“Hi, just saw my aircraft (N7688m) on your web site,and wanted to give you a little info. When my grandfather bought the plane it came with the GO-300, but in 1969 he pulled it out and put a 220-hp Franklin with a constant speed prop, which it has now. It makes a real performer out of it with a climb rate of 1500-fpm+. The photo of my climb out was 500-ft of roll with two adults and full fuel 4.”

“Ron Campbell
N7688M”

Overview [2]


  • Role: Light utility aircraft
  • Manufacturer: Cessna Aircraft Company
  • Introduced: 1958
  • Produced: 1958-1962
  • Number built: 2,106
  • Developed from: Cessna 172

The Cessna 175 "Skylark" is a four-seat, single-engine, high-wing airplane produced between 1958 and 1962.

Production History [2]


The Cessna 175 "Skylark" was designed to fill a niche between the Cessna 172 "Skyhawk" and the heavy-duty Cessna 180. The engine of the Cessna 175 "Skylark" was rated at 175-hp (130 kW), or 30-hp (22 kW) more than the engine of the Cessna 172 "Skyhawk." Between 1958 and 1962, a total of 2,106 Cessna 175 "Skylarks" were built. The basic airplane was marketed as the Cessna 175, and the plane with a package of optional equipment and a special paint scheme was marketed as the Cessna 175 "Skylark."

Design [2]


The airframe of the Cessna 175 "Skylark" is all metal, constructed of aluminum alloy. The fuselage is a semi-monocoque structure, with exterior skin sheets riveted to formers and longerons. The strut-braced wings, likewise, are constructed of exterior skin sheets riveted to spars and ribs. The landing gear of the Cessna 175 "Skylark" is in a tricycle arrangement, with main gear legs made of spring steel, along with a steerable nose wheel connected through an oleo strut used for shock absorption.

While it incorporates airframe changes, the Cessna 175 "Skylark" is very similar in appearance to the Cessna 172 "Skyhawk" of the same vintage. The most noticeable difference is the distinctive bulge in the cowling to accommodate the gearbox of the engine.

The Continental GO-300 Engine [2]


An unusual feature of the Cessna 175 "Skylark" is the use of the geared Continental GO-300 engine. Whereas most single-engine airplanes use direct drive, this engine drives the propeller through a reducing gearbox, so the engine runs at 3,200 rpm to turn the propeller at 2,400 rpm. The Continental GO-300 engine suffered reliability problems and helped give the Cessna 175 "Skylark" a poor reputation. Many Cessna 175 "Skylarks" flying today have been converted to larger-displacement direct-drive engines.

The reputation of the Continental GO-300 may not have been deserved, since the problems associated with it were the result of pilots who were familiar with direct-drive engines simply not operating the engine correctly. Pilots unfamiliar with the engine often operated the engine at low RPM settings (2,300) appropriate to direct-drive engines, while the Cessna 175 "Skylark's" Operating Handbook called for 2,900 RPM. This prevented the engine's air-cooling system from operating effectively and resulted in a lack of reliability.

Variants [2]


Many of the higher-powered versions of the Cessna 172 "Skyhawk" in fact belong to the Cessna 175 "Skylark" type design. Included in this group are the Cessna P172D "Powermatic", most Cessna T-41s (the T-41B, T-41C, and T-41D models), the Cessna R172K "Hawk XP," and the retractable gear Cessna 172RG.

1959 Cessna 175 "Skylark" Specifications and Performance Data [3]


Background:

  • The Cessna Model 175 is similar in configuration to the Cessna Model 172.
  • is powered by a 175-hp Continental GO-300-A engine, and has a number of design and equipment refinements, including a free-blown wind-shield, new panel design, inside fuel drain, electric fuel gauges, Fiberglas speed fairings, and new interior and exterior styling.
  • The aircraft is approved for the fitting of floats.

Type:

  • Four-seat cabin monoplane.

Wings:

  • High-wing braced monoplane.
  • NACA 2412 wing section.
  • Aspect ratio 7.46.
  • Dihedral 2° 8'.
  • All-metal single-spar structure with metal skin.
  • Single bracing strut on each side.
  • NACA slotted flaps inboard of ailerons.
  • Aileron area: (total) 18.3 ft² (1.70 m²).
  • Total flap area: 21.23 ft² (1.97 m²).
  • Gross wing area: 174 ft² (16.2 m²)

Fuselage:

  • All-metal monocoque.

Tail Unit:

  • Cantilever monoplane type.
  • All-metal structure.
  • Horn-balanced rudder and elevators.

Tail Unit Areas:

  • Fin: 9.0 ft² (0.84 m²)
  • Rudder: 9.42 ft² (0.87 m²)
  • Elevators (total): 15.42 ft² (1.43 m²)
  • Tailplane: 19.80 ft² (1.84 m²)

Landing Gear:

  • Cessna "Land-O-Matic" gear.
  • Hydraulic wheel brakes.
  • Nosewheel is steerable with rudder up to 10° and controllable up to 30° on either side.

Power Plant:

  • One 175-hp Continental GO-300-A six-cylinder horizontally-opposed air-cooled engine.
  • McCauley two-blade metal airscrew.
  • Fuel tanks in wings with total capacity of 42 U.S. gallons (159 liters).

Accommodation:

  • Cabin seats four in two pairs, front pair with dual controls.
  • Baggage space aft of rear seats.
  • 36-inch wide door on each side of cabin giving access to all seats and to simplify loading if rear seats removed and cabin used for freight.
  • Combined heating and ventilation system.
  • Fiberglas soundproofing.

Dimensions:

  • Span: 36 ft (10.9 m)
  • Length: 25 ft (7.62 m)
  • Height: 9 ft 2 in (2.80 m)

Weights and Loadings:

  • Weight empty: 1,312 lb (596 kg)
  • Weight loaded: 2,350 lb (1,067 kg)
  • Wing loading: 13.4 psf (65.39 kg/m²)
  • Power loading: 13.4 lb/hp (6.08 kg/hp)

Performance:

  • Maximum speed: 147 mph (235 km/h)
  • Maximum recommended cruising speed: 139 mph (222 km/h)
  • Initial rate of climb: 850 fpm (259 mpm)
  • Service ceiling: 15,900 ft (4,850 m)
  • Range at 139 mph (222 km/h.): 595 miles (958 km)
  • Maximum range at 102 mph (163 km/h.): 720 miles (1,150 km)
  • Cruising endurance: 4.3 hours.

References


  1. Photos, John Shupek, Copyright © 2009 Skytamer Images (Skytamer.com). All Rights Reserved
  2. Wikipedia. Cessna 175 Skylark
  3. Bridgman, Leonard (ed.) Jane's All The World's Aircraft 1959-60. London, Jane's All The World's Aircraft Publishing Co. Ltd., 1959, p 267-268.
  4. email: 5 February 2011, Ron Campbell, "Info on My Aircraft."

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