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The Cessna 140 was originally equipped with a Continental C-85-12 or C-85-12F horizontally opposed, air-cooled, four-cylinder piston engine of 85 hp (63 kW). The Continental C-90-12F or C-90-14F of 90 hp (67 kW) was optional, as was the 108 hp (81 kW) Lycoming O-235-C1 engine, an aftermarket installation authorized in the type certificate .
This is the speed at which drag is minimised. For jet aircraft, "long-range cruise" speed (LRC) is defined as the speed which gives 99% of the maximum range, for a given weight. This results in a 3–5% increase in speed. [8] It is also a more stable speed than maximum range speed, so gives less autothrottle movement. [9]
Additional speed ranges are specified for other segments of the approach. [1]: Table II-5-1-2 Table II-5-1-2 Approach plates generally include visibility requirements up to category D. [ 1 ] : II-5-1-3 While ICAO specify a top speed of 391 km/h for Category E, there exist no aircraft with an approach speed above this.
Design cruise, also known as the optimum cruise speed, is the most efficient speed in terms of distance, speed and fuel usage. [16] [17] [18] V cef: See V 1; generally used in documentation of military aircraft performance. Denotes "critical engine failure" speed as the speed during takeoff where the same distance would be required to either ...
The Cessna 150 is a two-seat tricycle gear general aviation airplane that was designed for flight training, touring and personal use. [2] In 1977, it was succeeded in production by the Cessna 152, a minor modification to the original design.
An aeroplane can stall at any speed, so monitoring the ASI alone will not prevent a stall. The critical angle of attack (AOA) determines when an aircraft will stall. For a particular configuration, it is a constant independent of weight, bank angle, temperature, density altitude , and the center of gravity of an aircraft .
Cessna 140 The Continental O-190 (Company designations C75 and C85 ) is a series of engines made by Continental Motors beginning in the 1940s. Of flat-four configuration, the engines produced 75 hp (56 kW) or 85 hp (63 kW) respectively.
The result of the improvements was a cruise speed of 403 kn (746 km/h)—exceeding 400 kn, felt to be an important marketing benchmark by Cessna—and a range of 1,378 nmi (2,552 km) with a 45-minute fuel reserve. [7]
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