User manual

Aerosoft F-16 Fighting Falcon 1.00 Manual
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F-16 FIGHTING FALCON HISTORY
Started as a project to construct a small high maneuverable light fighter, and at lower costs than ever
before the Tactical Fighter Requirements Division of Air Force Headquarters funded a study in the early
seventies for the preliminary design and analysis of several configurations for a lightweight fighter.
Amongst other aims they wanted low wing loading and high thrust loading; knowing that this was very
difficult because of the contradistinction: low wing loading means larger wings thus more weight and
more drag and high thrust loading (thus more powerful engines) means higher fuel consumption and
thus short range. The Air Force needed a lower-cost alternative to the F-15 in modernizing and
expanding its air force and due to the political and economic situation at this time (oil crisis!!) the United
States needed a low cost fighter for export to replace a large number of aging aircraft of NATO member
countries.
PROGRAM
General Dynamics and Northrop were the finalists out of the ten competitors for the competition in
April 1972. They received about $40 each million to create two prototypes. General Dynamics had the
first one (Model 401) completed in December 1973 in Fort Worth and it was transported to Edwards
AFB, California, on January 8
th
1974. Phil Oestricher, the test pilot Of General Dynamics flew the YF-16
on January, 20 1974 for its maiden flight, continued by its first official flight on February 2
nd
. Northop
rolled out the P-600 in April 1974 at Hawthorne, California and named it YF-17. It made its first flight at
Edwards Air Force Base on Mat 9
th
. December 1974 the competition ended and in 1975, on January the
13
th
the Secretary of the Air Force John McLucas assigned the YF-16 from General Dynamics as the
winner: “The airplane with the best performance at the lowest cost.” (Secretary of Defense James
Schlesinger).
TECHNOLOGY
Compared with the YF-17 the YF-16 had a mission radius advantage of 200 nautical miles; a sustained
turn rate advantage of 0.5 degree/second at Mach 1.2 at 30.000 feet, a fifteen second accelerating
advantage from Mach 0.9 to Mach 1.2 at 30.000 feet and a ferry range advantage of 350 nautical miles.
The most important piece of the YF-16 is the Electronic Flight Control System. For the first time ever an
aircraft was not flown by cables linking the stick to the flight control surfaces, but the complete system
was electronic and used servos to control the rudder, ailerons etc. These fly-by-wire flight controls allow
much more precise control of the aircraft than the heavy and more complex hydro mechanical flight
control system. Not only the flying qualities improved, but safety as well, because it imposes g limits to
keep the pilot from overstressing the airframe and angle of attack limits to prevent stall and departing.
The aircraft will (try to) protect the pilot from dangerous commands. In this day and age of digital
aircrafts (most obviously the Airbus aircraft were designed with this in mind) it is hard to imagine what a
revolution fly-by wire was.
Conventional aircraft require constant downward loads on the horizontal tail to maintain their flight
level. The F-16 FCS however is designed with “relaxed static stability”: high speed computers (however,
compared to the machine you run your simulator on they seem incredibly slow) stabilize the aircraft at
any desired cruise speed or maneuver condition by making quick, small adjustments to the control
surfaces so controlled flight is maintained. Without the computer the aircraft cannot be flown. Even the
best pilot would not be fast enough to react.