Maneuverability—the quality of an aircraft that permits it to be maneuvered easily and to withstand the stresses imposed by maneuvers. It is governed by the aircraft’s weight, inertia, size and location of flight controls, structural strength, and powerplant. It too is an aircraft design characteristic.
What is aircraft controllability?
Controllability of an aircraft is the capability of an aircraft to respond to the pilots' control inputs, and the maneuverability is the quality of the aircraft that can be easily controlled in the given space region.
What are energy maneuverability methods?
It relates the thrust, weight, aerodynamic drag, wing area, and other flight characteristics of an aircraft into a quantitative model. This allows combat capabilities of various aircraft or prospective design trade-offs to be predicted and compared.
How is stability different from maneuverability?
Stability is the characteristic of an aircraft that tends to cause it to fly (hands off) in a straight-and-level flightpath. Maneuverability is the characteristic of an aircraft to be directed along a desired flightpath and to withstand the stresses imposed.
What is the most maneuverable plane?
Lockheed Martin F-22 Raptor is number one our list of top ten fighter jets in the world. It is super stealthy and is virtually invisible to radar. F-22 is extremely advanced twin-engine aircraft having super maneuverability. F-22 Raptor was inducted into the US Air Force in 2005.
Who invented maneuverability?
Henry HeimlichDiedDecember 17, 2016 (aged 96) Cincinnati, Ohio, U.S.EducationCornell University (MD)Years active1943–2016Known forAbdominal thrusts ("Heimlich maneuver") Flutter valve9 more rows
Why is Manoeuvre stability important?
It is not difficult to appreciate that the manoeuvrability of an airframe is a critical factor in its overall flying and handling qualities. Too much manoeuvre stability means that large control displacements and forces are needed to encourage the development of the normal acceleration vital to effective manoeuvring.
What are the 2 types of stability?
Two Types Of Stability Stability is the ability of an aircraft to correct for conditions that act on it, like turbulence or flight control inputs. For aircraft, there are two general types of stability: static and dynamic.
What is the difference between stability and controllability?
In brief, a linear system is stable if its state does remains bounded with time, is controllable if the input can be designed to take the system from any initial state to any final state, and is observable if its state can be recovered from its outputs.
What determines aircraft stability?
It is usually given as a percentage of the Mean Aerodynamic Chord. If the center of gravity is forward of the neutral point, the static margin is positive. If the center of gravity is aft of the neutral point, the static margin is negative. The greater the static margin, the more stable the aircraft will be.
What is the most feared war plane?
8 Most Feared Fighter JetsF-22 Raptor-United States.F-35 Lightning II-United States. ... F/A -18 E/F Super Hornet-United States. ... Sukhoi Su-27-Russia. ... MiG-31-Russia. ... Chengdu J-10-China. ... F-15 Eagle-United States. ... Dassault Rafale-France. This French beauty can lock onto 40 targets and face slap up to four targets simultaneously. ...
What is the most feared fighter plane?
Top Five Most Dangerous Fighters the U.S. Air Force Could Face Today: From Chinese J-20s to Russian Su-35sChengdu J-20 Fifth Generation Fighter.Russian MiG-31 Foxhound Interceptor.Shenyang J-16 Fighter.Russian Air Force Su-30SM (top) and Su-35 Fighters.J-10C with PL-15 and PL-19 Missiles.
Who is the best fighter pilot in the world?
1. Erich „Bubi“ Hartmann. Erich Hartmann is the most successful fighter pilot of all times – with 352 kills. A number that will never be surpassed.
What is the difference between controllability and maneuverability?
Controllability of an aircraft is the capability of an aircraft to respond to the pilots' control inputs and the manoeuvrability is the quality of the aircraft that can be easily controlled in the given space region.
What is directional stability of aircraft?
The weathercock, or directional static stability, of an aircraft is determined by the yawing moment due to sideslip derivative. It quantifies the tendency of the aeroplane to turn into wind in the presence of a sideslip disturbance.
What is longitudinal stability in aircraft?
Longitudinal stability is the tendency of an aircraft to return to the trimmed angle of attack. Accomplished through elevators and rudders. Contributors: Straight wings (negative)
What is static and dynamic stability in aircraft?
Static stability of an aircraft describes the tendency of and aircraft to retain its original position when subjected to unbalanced forces or moments acting on the aircraft. • Dynamic stability describes the form of motion an aircraft in static stability undergoes when it tries to return to its original position.
Why is manoeuvrability important?
Too much manoeuvre stability means that large control displacements and forces are needed to encourage the development of the normal acceleration vital to effective manoeuvring. On the other hand, too little manoeuvre stability implies that an enthusiastic pilot could overstress the airframe by applying excessive levels of normal acceleration. Clearly, the difficult balance between control power, manoeuvre stability, static stability, and dynamic stability must be correctly controlled over the entire flight envelope of the aeroplane.
How does installation design affect the level of attainable manoeuvrability?
Apart from steps taken in operational management and supervision, installation design affects the level of attainable manoeuvrability. Here again, a requirement exists to take the correct economic decision for the installation design even at the stage of conception and construction. An optimized operation mode which is both safe and economical is the basis for the complex optimization of the equipment to be installed in future power plant units, taking into account the determination of costs and requirements as well as the manoeuvrability attainable. 3 In this connection superiority of the socialist planned economy is completely demonstrated as, on the one hand, long-term predictions of the demand for electric power and the development of load curve are practicable, and on the other, economically maximized solutions are applicable to the electric-power generation required
How much can a power plant reduce its load?
In theoretical studies and comprehensive tests it can be proved that the technological minimum load of a power plant unit can be lowered by 20 per cent, lowering live-steam pressure by 40 per cent at partial load compared with normal steam conditions. The component saving operation mode in sliding pressure operation will be achieved so that practically constant temperatures in the live-steam and reheat steam ranges are reached by a displacement of the ratio of evaporation and superheating; thus, thermal cycling stress caused by load changes is avoidable. 4
How to compare control surfaces?
As a simpler method of comparing ships, the effectiveness of control surfaces can be gauged by comparing the forces and moments they can generate with the forces and moments produced on the hull by movements in the appropriate plane. Strictly, the force and moment on the hull should be the combination of those due to lateral velocity and rotation, but for most purposes they can be compared separately; for example the rudder force and moment can be compared with the force and moment due to lateral velocity to provide a measure of the ability of the rudder to hold the hull at a given angle of attack and thus cause the ship to turn. The ability of the rudder to start rotating the ship can be judged by comparing the moment due to rudder with the rotational inertia of the ship. The ability of hydroplanes to cope with a lack of balance between weight and buoyancy is demonstrated by comparing the force they can generate with the displacement of the submarine. It is important that all parameters be measured in a consistent fashion and that the suitability of the figures obtained be compared with previous designs.
Does torqueability increase with part length?
An increase in torqueability can also occur with a corresponding decrease in the part length, L, as it is inversely proportional to ktorq. However, as with pushability, the degree of freedom with these variables in increasing the torqueability is limited by the application site and the potential of injury to the blood vessels.
Does shear modulus increase ktorq?
As the shear modulus is also directly proportional to the torqueability, an increase in the shear modulus can also result in an increase in the ktorq value. The shear modulus is directly related to the elastic modulus of a polymer and generally expressed as [24]
How to make a plane more stable?
The further forward you put the center of mass, the more stable the plane will be, but the heavier the nose gets, the harder it is to pull up. A stable plane with a heavy nose can barely turn at all, and it won't want to pitch up very much at all. So for the sake of maneuverability, keep the mass ahead of the center of lift, but not too far.
What does it mean to have symmetric airfoil?
Yes, you always want the most lift, but more lift means more drag and less top speed. Also, more symmetric airfoil means more agility and more stability. I recommend using flat-bottom for slower planes (like any Cessna plane), semi-symmetric for medium-speed planes (like airliners) and symmetric for fast ones (fighters, interceptors).
What direction does an airplane turn?
Usually, an airplane only "turns" in one direction: up. Pitch-up actually, the plane can also pitch down but usually that's much much slower. The whole body of the plane is designed to give it lift, and you take advantage of that to pitch up, you have to fight it to pitch down.
Aircraft Maneuverability
This turns out to be more importent than one might guess. It is used to decide if a plane gets to shoot - which makes sense. Probably it is relative maneuverability, or a differential. That means that a higher rating on EITHER side (attacker or defender) impacts the differential quite a bit.
RE: Aircraft Maneuverability
ORIGINAL: el cid again This turns out to be more importent than one might guess. It is used to decide if a plane gets to shoot - which makes sense.
RE: Aircraft Maneuverability
Cid, How is relative Maneuverability translated in terms of game mechanics or "formulas" as it were?
RE: Aircraft Maneuverability
thanks m10bob, but I have been informed that data on the Internet has no veracity as far as CHS or his own mod's standard of documentation as I have been recently informed by originator of this post ???
RE: Aircraft Maneuverability
If you mean how is relative maneuverability used in the air air model - it is not possible to say given the code is secret and also scrambled so we cannot go look at a program listing for "air combat routine" and just read it for ourselves.
RE: Aircraft Maneuverability
You can't just throw it into the database and expect a model we know nothing about to work better than it already does, or as well for that matter.
What is controllability in aviation?
Controllability refers to how easily the aircraft is disrupted from its current state by pilot control inputs. The more STABLE and aircraft is, the less CONTROLLABLE it is. Think of an F-16. It sacrifices STABILITY for CONTROLLABILTIY. In fact, F-16s are actually negatively stable, meaning they exaggerate any disruptions to flight attitude. Negatively stable aircraft are not controllable by humans, and therefore they are fly-by-wire aircraft. Computer must regulate all inputs to the aircraft.
How many pages are there in Aerodynamics for Naval Aviators?
Aerodynamics for Naval Aviators ( http://www.faa.gov/regulations_policies/handbooks_manuals/aviation/media/00-80T-80.pdf) has a wonderful 40-50 pages on stability and control. If you find the technical talk intimidating then skim through them looking for the plain english portions.
Is the F-16 more maneuverable than the Cessna?
It is how easily the aircraft can withstand conditions imparted on it, such as G loading, wight breaking apart or becoming uncontrollable. As in our F-16 example, the F-16 is much more maneuverable and controllable than a Cessna, but the Cessna is many times more stable. This makes it a desirable training airplane, as you can imagine. Here is a good summary of a lesson plan I’ve come across that summarizes the subject well: http://2learn2fly.com/2-D-3.htm
What is the quality of an aircraft that permits it to be maneuvered easily and to withstand the stresses imposed?
Maneuverability —the quality of an aircraft that permits it to be maneuvered easily and to withstand the stresses imposed by maneuvers. It is governed by the aircraft’s weight, inertia, size and location of flight controls, structural strength, and powerplant. It too is an aircraft design characteristic.
What is controllability in aviation?
Controllability—the capability of an aircraft to respond to the pilot’s control, especially with regard to flight path and attitude. It is the quality of the aircraft’s response to the pilot’s control application when maneuvering the aircraft, regardless of its stability characteristics. Last edited: Nov 2, 2018.
What does "high maneuverability" mean?
Now it's better. Maneuverability is roll rate, yaw rate, etc. High maneuverability means high rates. Controlability = Controllable = it rolls / yaws when you want and as much as you want, and stops rolling / yawing when you want it to stop. Click to expand...
What is the capability of an aircraft to respond to the pilot's control?
Controllability —the capability of an aircraft to respond to the pilot’s control, especially with regard to flight path and attitude. It is the quality of the aircraft’s response to the pilot’s control application when maneuvering the aircraft, regardless of its stability characteristics.
What does it mean when a pilot wants more than the airframe is capable?
Yeah, I debated how to keep that concise, but one interpretation of the fix suggest that if a pilot wants more than the airframe is capable, it is a lack of controllability, not a limit of maneuverability.
Is maneuverability an abstract concept?
I don't think the FAA definitions are confusing, but keep in mind that maneuverability is more of an abstract concept that takes into account the multiple factors. It really can't be simplified anymore than how it's described in the PHAK. Meanwhile, controllability can be measured (amount of attitude change vs. amount of control movement).
What is maneuverability in airplanes?
Basically the controllability of an airplane deals with whether you can raise the nose in the flare vs. whether you can lower the nose in a stall.#N#A maneuverable airplane is one which allows ease of controllability (i.e., it will respond quickly to your control inputs).
What is the quality of an aircraft that determines the ease of operating its controls and/or the effectiveness of displacement of?
Controllability : The quality of an aircraft that determines the ease of operating its controls and/or the effectiveness of displacement of the controls in producing change in its attitude in flight. Maneuverability: That quality in an aircraft which determines the rate at which its attitude and direction of flight can be changed.
What is controllability in aircraft?
The controllability of an aircraft is a tradeoff with its stability. ie: more stable, less controllable and vice versa. It's mostly related to aircraft design features. eg: i think the BAe146 was given anhedral wings to recover some of the controllability lost with the very stable high-wing design. Another aircraft design feature are spades which are attached to the ailerons and hang below the wing. They assist roll control at low speeds. There are plenty of others....
Is an unstable plane manoeuvrable?
An unstable aircraft can be very manoeuvrable, but if it is unstable to the point of being out of control most of the time, the controllability is poor. You can't employ the manoeuvrability to do what you want to achieve as you it is not controllable.
How can energy maneuverability theory be used to predict aircraft?from healthresearchfunding.org
By analyzing the mathematics of the energy maneuverability theory, it becomes possible to predict the combat capabilities of an aircraft. It can also allow designers and engineers to compare possible designs when creating a new aircraft as it can predict different trade-offs that may occur.
When was the energy maneuverability theory updated?from healthresearchfunding.org
An update was completed in 1966. When the energy maneuverability theory was first introduced, it was given a confidential security status. A scan of the updated 1966 document which discusses this theory is available through archives.gov.
What Is the Thrust-to-Weight Ratio?from healthresearchfunding.org
The thrust-to-weight ratio is used for any craft that is capable of flight. That allows the performance of the engine or the vehicle, such as a rocket or a jet engine, to be analyzed. This provides information regarding the overall maneuverability of the aircraft in question.
How is thrust to weight determined?from healthresearchfunding.org
The weight of the aircraft will change as fuel is burned and this must also be taken into account. For that reason, the thrust-to-weight ratio is usually determined by the maximum level of static thrust at sea level, which is then divided by the maximum takeoff weight. In the energy maneuverability theory, the principle is still the same as ...
Why did Christie and Boyd use the computer at Eglin Air Force Base?from healthresearchfunding.org
Christie and Boyd used the computer at Eglin Air Force Base to compare the performance envelopes of U.S.-based and Soviet-based aircraft that were flown during the conflicts in Korea and Vietnam. The theory is useful in its description of an aircraft’s performance by providing a total of kinetic and potential energies.
Why is normalization required in aircraft?from healthresearchfunding.org
The normalization is required because the traditional thrust-to-weight ratio calculation does not describe the performance of an aircraft accurately while it is flying under normal operating conditions. By incorporating drag into the equation, the aerodynamic design of the aircraft can then be summarized.
What is the formula for airplane performance?from healthresearchfunding.org
The aspects of airplane performance within the energy maneuverability theory can be described in one basic formula: Ps – V (T-D/W).
