Maneuvers and Flight Notes Copyright Flight Emergency & Advanced Maneuvers Training, Inc
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How Planes Fly ! Marymoor R/C Club, Redmond, WA! AMA Charter 1610!
How Planes Fly ! Marymoor R/C Club, Redmond, WA! AMA Charter 1610! Version 2.0 – Nov 2018! Page 1! Controls, Aerodynamics, and Stability • Elevator, Rudder, Aileron! • Wing planform! • Lift and Wing Design! • Wing section (airfoil)! • Tail group (empennage)! • Center of lift, center of gravity! • Characteristics of a “speed stable” airplane! Page 2! Ailerons, Elevators, and Rudder! Control Roll, Pitch, and Yaw! Ailerons! • Roll, left and right! Elevators! • Pitch, up and down) ! Rudder! • Yaw, left and right! Page 3! Radio Controls! Elevator! Power! (Pitch)! Rudder! Ailerons! (yaw)! (roll)! Trim Controls! Page 4! Wing Planform! • Rectangular (best for trainers)! • Tapered! • Elliptical! • Swept! • Delta! Page 5! Lift! Lift! Lift comes from:! • Angle of Attack! Drag! • Wing Area! Direction of flight! • Airfoil Shape ! • Airspeed! Weight! In level flight, Lift = Weight! Page 6! Lift is greatly reduced when the Wing Stalls! • Stall can occur when:! • Too slow! • Pulling too much up elevator! • Steep bank angle! • Any combination of these three! • Occurs at critical angle of attack, about 15 degrees ! • Trainers have gentle stall characteristics. The warbird you want to fly someday might not.! • One wing can stall before the other, resulting in a sharp roll, and if it continues, a spin. A good trainer won’t do this.! Page 7! Airfoil Shapes! Flat bottom airfoil! “Semi-symmetrical” airfoil! • much camber (mid-line is curved)! • has some camber ! • Often used on trainers and Cubs! • sometimes used on trainers! • Good at low speeds! • Good all-around -
Ff 89/6 Copy
$3 vol libre • free flight 6/89 Dec - Jan POTPOURRI SAC was informed by Sport Canada on the 10th of July that we are not eligible for funding for 1989-90 and until further notice. Thus we are now totally on our own. The average yearly grant from 1979 to 1988 in 1989 dollars was $14,000, or $16 per person. Perhaps it’s a good thing as planning in an atmosphere of doubt is not conducive to good health and efficient use of funds. The cutback was not unexpected and steps were taken early on to ease the effects of this loss of revenue. Imaginative planning in our small store and a good response from our members through the use of the “Soaring Stuff” inserts resulted in in- creased sales. We will also receive higher than projected invest- ment income essentially due to careful cash management and short-term interest rates, which have remained higher for longer than generally expected. In addition, a small gain in projected receipts from an unexpected increase in membership – now at 1423 – which is the first time since 1982 that we have passed 1400. Total expenditures should come in well below budget projection, primarily as a result of scaling back meetings and travel expenditures. On balance it seems fair to say that a combination of some tight fistedness on the expenditure side and a bit of luck on the revenue side will leave SAC in a financially stronger position than was expected at the beginning of the season, despite the cutting off of govern- ment funding. -
CAA Doc 743 Civil Air Displays a Guide for Pilots
Safety Regulation Group Civil Air Displays a guide for pilots contents introduction Introduction Air displays are now one of the most popular The law spectator events in the United Kingdom. On average there are over 250 civil flying displays Guidance for display each year attracting in excess of two million pilots spectators. It is of the utmost importance in the interests of public and personal safety, that those Managing the risk who participate in such displays operate to the highest standards. These notes are intended to Planning your provide advice to display pilots to help them display avoid the pitfalls which have been experienced in the past. Practising for your display The air show Display day Post display © Andrew Critchell 1 the law The rules governing the conduct of civil air displays in the United Kingdom are given in the current Air Navigation Order, The Rules of the Air Regulations and comprehensively explained in CAP 403 – “Flying Displays and Special Events: A Guide to Safety and Administrative Arrangements”. guidance for display pilots Display flying, especially aerobatics, is a specialised form of flying that frequently involves flying the aircraft close to the edges of the permitted flight envelope. Regrettably, most years, a small number of pilots are killed whilst displaying. Many of these pilots were highly experienced and extremely competent in their particular aircraft and display. What can be done to minimise the risk? managing the risk personnel fitness There are a large number of factors which affect the outcome of a particular flight. Many of them are encountered well before the pilot gets anywhere near the aircraft. -
Oxygen Systems
OXYGEN SYSTEMS AEROX HIGH-DURATION AVIATION AEROX PRO-O2 EMERGENCY OXYGEN SYSTEMS HANDHELD OXYGEN SYSTEMS Add to your flying comfort by using oxygen Provides oxygen until the aircraft can reach a lower at altitudes as low as 5000 ft. Aerox Oxygen altitude. And because Pro-O2 is refillable, there is no CM Systems include lightweight aluminum cyl in- need to purchase replacement O2 cartridges. During ders, regulators, all hardware, flow meter, short flights at altitudes between 12,500ft. MSL and and nasal cannulas (masks available as 14,000ft. MSL where maneuvering over mountains or turbulent weather option). Oxysaver oxygen saving cannulas is necessary, the Pro-O2 emergency handheld oxygen system provides & Aerox Flow Control Regulators increase oxygen to extend these brief legs. Included with the refillable Pro-O2 is WP the duration of oxygen supply about 4 times, a regulator with gauge, mask and a refillable cylinder. and prevent nasal irritation and dryness. Pro-O2-2 (2 Cu. Ft./1 mask)........................P/N 13-02735 .........$328.00 Aerox 2D Aerox 4M Complete brochure available on request. Pro-O2-4 (2 Cu. Ft./2 masks) ......................P/N 13-02736 .........$360.00 system system AEROX EMT-3 PORTABLE 500 SERIES REGULATOR – AN AIRCRAFT SPRUCE EXCLUSIVE! OXYGEN SYSTEM ME A small portable system designed for the occasional user • Low profile who wants something smaller and less costly than a full • 1, 2, & 4 place portable system. The EMT-3 is also ideal for use as an • Standard Aircraft filler for easy filling emergency oxygen system. The system lasts 25 minutes at • Convenient top mounted ON/OFF valve 2.5 LPM @ 25,000 FT. -
09 Stability and Control
Aircraft Design Lecture 9: Stability and Control G. Dimitriadis Introduction to Aircraft Design Stability and Control H Aircraft stability deals with the ability to keep an aircraft in the air in the chosen flight attitude. H Aircraft control deals with the ability to change the flight direction and attitude of an aircraft. H Both these issues must be investigated during the preliminary design process. Introduction to Aircraft Design Design criteria? H Stability and control are not design criteria H In other words, civil aircraft are not designed specifically for stability and control H They are designed for performance. H Once a preliminary design that meets the performance criteria is created, then its stability is assessed and its control is designed. Introduction to Aircraft Design Flight Mechanics H Stability and control are collectively referred to as flight mechanics H The study of the mechanics and dynamics of flight is the means by which : – We can design an airplane to accomplish efficiently a specific task – We can make the task of the pilot easier by ensuring good handling qualities – We can avoid unwanted or unexpected phenomena that can be encountered in flight Introduction to Aircraft Design Aircraft description Flight Control Pilot System Airplane Response Task The pilot has direct control only of the Flight Control System. However, he can tailor his inputs to the FCS by observing the airplane’s response while always keeping an eye on the task at hand. Introduction to Aircraft Design Control Surfaces H Aircraft control -
Model Builder February 1982
S >580„0Ζ8>Λ volume 12, number 121 ■Sw L to R: Tony Bonetti-National Champion, Steve Helms and Donald Weitz, Jr. THE FINISHING TOUCH Tony, Steve, and Don didn't take 1st, 2nd, and 5th places at the 1981 Nationals by accident. Precision aerobatics demand the å most reliable and highest performance equipment * available for the best possible finish. The same off-the-shelf high quality components they used are J ( 1 available from your local Circus Hobbies dealerJ Whether you fly for sport or competition, these products are designed to help you become the best I pilot you could be. So, if you are serious about ^ your flying insist on JR Radios, Webra Engines wSSSSSi and IM Accessories, the Finishing Touch for every winner^ JR, Webra, and IM are imported exclusively by Circus Hobbies Send $1.00 for complete product catalog. New address: Circus Hobbies Incorporated, 3132 S. Highland Dr., Subsidiary of Circus Circus Hotels Las Vegas, Nevada 89109 0 1980 ASSOCIATED ELECTRICS Speclol soft racing compound front fires. (mounted/#3654-S) I (it fiberglass Aircraft alloy, 8-32 tlatheai screws. Vi" (#3324) and V /i" (#3325) avoiloble. Weightsaver fiberglass chassis. Precision die-cut, drilled and countersunk. (#3312) It takes a close look at a Factory car to see all of the tricks the Team has developed. Some, like precision ball bearings, (#3655/front and # 2 2 2 2 /re a r) you can't see at all. But what a difference it makes. Special, light weight fiberglass chassis plates. Featherweight alloy Associated captures the sleek flathead chassis screws. -
Introduction to Aircraft Stability and Control Course Notes for M&AE 5070
Introduction to Aircraft Stability and Control Course Notes for M&AE 5070 David A. Caughey Sibley School of Mechanical & Aerospace Engineering Cornell University Ithaca, New York 14853-7501 2011 2 Contents 1 Introduction to Flight Dynamics 1 1.1 Introduction....................................... 1 1.2 Nomenclature........................................ 3 1.2.1 Implications of Vehicle Symmetry . 4 1.2.2 AerodynamicControls .............................. 5 1.2.3 Force and Moment Coefficients . 5 1.2.4 Atmospheric Properties . 6 2 Aerodynamic Background 11 2.1 Introduction....................................... 11 2.2 Lifting surface geometry and nomenclature . 12 2.2.1 Geometric properties of trapezoidal wings . 13 2.3 Aerodynamic properties of airfoils . ..... 14 2.4 Aerodynamic properties of finite wings . 17 2.5 Fuselage contribution to pitch stiffness . 19 2.6 Wing-tail interference . 20 2.7 ControlSurfaces ..................................... 20 3 Static Longitudinal Stability and Control 25 3.1 ControlFixedStability.............................. ..... 25 v vi CONTENTS 3.2 Static Longitudinal Control . 28 3.2.1 Longitudinal Maneuvers – the Pull-up . 29 3.3 Control Surface Hinge Moments . 33 3.3.1 Control Surface Hinge Moments . 33 3.3.2 Control free Neutral Point . 35 3.3.3 TrimTabs...................................... 36 3.3.4 ControlForceforTrim. 37 3.3.5 Control-force for Maneuver . 39 3.4 Forward and Aft Limits of C.G. Position . ......... 41 4 Dynamical Equations for Flight Vehicles 45 4.1 BasicEquationsofMotion. ..... 45 4.1.1 ForceEquations .................................. 46 4.1.2 MomentEquations................................. 49 4.2 Linearized Equations of Motion . 50 4.3 Representation of Aerodynamic Forces and Moments . 52 4.3.1 Longitudinal Stability Derivatives . 54 4.3.2 Lateral/Directional Stability Derivatives . -
Unusual Attitudes and the Aerodynamics of Maneuvering Flight Author’S Note to Flightlab Students
Unusual Attitudes and the Aerodynamics of Maneuvering Flight Author’s Note to Flightlab Students The collection of documents assembled here, under the general title “Unusual Attitudes and the Aerodynamics of Maneuvering Flight,” covers a lot of ground. That’s because unusual-attitude training is the perfect occasion for aerodynamics training, and in turn depends on aerodynamics training for success. I don’t expect a pilot new to the subject to absorb everything here in one gulp. That’s not necessary; in fact, it would be beyond the call of duty for most—aspiring test pilots aside. But do give the contents a quick initial pass, if only to get the measure of what’s available and how it’s organized. Your flights will be more productive if you know where to go in the texts for additional background. Before we fly together, I suggest that you read the section called “Axes and Derivatives.” This will introduce you to the concept of the velocity vector and to the basic aircraft response modes. If you pick up a head of steam, go on to read “Two-Dimensional Aerodynamics.” This is mostly about how pressure patterns form over the surface of a wing during the generation of lift, and begins to suggest how changes in those patterns, visible to us through our wing tufts, affect control. If you catch any typos, or statements that you think are either unclear or simply preposterous, please let me know. Thanks. Bill Crawford ii Bill Crawford: WWW.FLIGHTLAB.NET Unusual Attitudes and the Aerodynamics of Maneuvering Flight © Flight Emergency & Advanced Maneuvers Training, Inc. -
FAA-H-8083-3A, Airplane Flying Handbook -- 3 of 7 Files
Ch 04.qxd 5/7/04 6:46 AM Page 4-1 NTRODUCTION Maneuvering during slow flight should be performed I using both instrument indications and outside visual The maintenance of lift and control of an airplane in reference. Slow flight should be practiced from straight flight requires a certain minimum airspeed. This glides, straight-and-level flight, and from medium critical airspeed depends on certain factors, such as banked gliding and level flight turns. Slow flight at gross weight, load factors, and existing density altitude. approach speeds should include slowing the airplane The minimum speed below which further controlled smoothly and promptly from cruising to approach flight is impossible is called the stalling speed. An speeds without changes in altitude or heading, and important feature of pilot training is the development determining and using appropriate power and trim of the ability to estimate the margin of safety above the settings. Slow flight at approach speed should also stalling speed. Also, the ability to determine the include configuration changes, such as landing gear characteristic responses of any airplane at different and flaps, while maintaining heading and altitude. airspeeds is of great importance to the pilot. The student pilot, therefore, must develop this awareness in FLIGHT AT MINIMUM CONTROLLABLE order to safely avoid stalls and to operate an airplane AIRSPEED This maneuver demonstrates the flight characteristics correctly and safely at slow airspeeds. and degree of controllability of the airplane at its minimum flying speed. By definition, the term “flight SLOW FLIGHT at minimum controllable airspeed” means a speed at Slow flight could be thought of, by some, as a speed which any further increase in angle of attack or load that is less than cruise. -
Glider Basics What Is Glider ?
GLIDER BASICS WHAT IS GLIDER ? A light engineless aircraft designed to glide after being towed aloft or launched from a catapult. 2 PARTS OF GLIDER A glider can be divided into three main parts: a)fuselage b)wing c)tail FUSELAGE It can be defined as the main body of a glider Comparing it with a conventional aircraft, the fuselage is the main structure that houses the flight crew, passengers, and cargo. Howsoever, in this case it is only a 2-D fuselage. It is cambered and in the middle portion, we attach the wing around the position where the camber is maximum by either making a slot in the fuselage, or by dividing in two parts and then attaching SLOT MADE IN FUSELAGE WITHOUT SLOT If we are breaking the wing in two parts then we have an advantage that we can give dihedral angle to the wing. But typically for first time users, it is advisable to cut a slot into the fuselage and then attach the wing. Since in this way the wing remains firmly attached and also since the model is of small size, dihedral is of little importance.(dihedral :explained in later slides) The front part of the fuselage is called nose. It is rounded in shape to avoid drag and to ensure smooth flow. WING It is the most essential part of a plane. When air flows past it, due to the difference in curvature of its upper and lower parts lift is generated, which is responsible for balancing the weight of the plane, and the body can thus fly. -
Flight Testing Simulations of the Wright 1902 Glider and 1903 Flyer
FLIGHT TESTING SIMULATIONS OF THE WRIGHT 1902 GLIDER AND 1903 FLYER Ben Lawrence Gareth D Padfield Ph.D Research Student Professor of Aerospace Engineering Department of Engineering Department of Engineering University of Liverpool, UK University of Liverpool, UK [email protected] [email protected] ABSTRACT It was the Wright Brothers who successfully used the process and discipline of flight-test one hundred years ago. Annual flight test campaigns in the years 1900- 1905 clearly show how the Wright brothers used flight-testing to assess the performance, analyse the flight dynamics and propose improvements to their aircraft designs. This paper will present an analysis of the 1902 Glider first flight- tested in the fall of 1902 and the 1903 Flyer first flight-tested on December 17th 1903. Results will be taken from a research project underway at the University of Liverpool where the technical achievements of the Wright Brothers in the period 1900-1905 are being assessed using modern analytical and experimental methods. Results from piloted handling tests conducted on the Liverpool Flight Simulator, featuring six motion axes and six visual channels will be presented. The results show how the simulation trials were treated with a contemporary approach in terms setting handling qualities requirements and assessing the aircraft in a predefined ‘role’. Investigations have been made into the different types flown in 1902-1905 and variations on those, including some ‘what if’ configurations. One example is the critical innovation of 3-axis flight control, a direct result of flight-test. In conclusion the paper will present how the Wrights understood the importance of flight control and pilot skill and how both were developed through a controlled and systematic programme of flight-test. -
The History of V.A.R.M.S
THE HISTORY OF V.A.R.M.S. ORIGINS & GENERAL INFORMATION Rev. July 2017 TABLE OF CONTENTS (To quickly access a topic, hold CTRL and click on desired item) TABLE OF CONTENTS ...................................................................................................... 2 FOREWORD ....................................................................................................................... 4 AN EARLY & SHORT HISTORY OF VARMS .................................................................... 6 THE POSTER ..................................................................................................................... 7 ATOP A HILL AN ASSOCIATION IS FORMED ................................................................. 9 INAUGURAL MEMBERS & ANNUAL MEMBERSHIP NUMBERS ........................ 10 PROFILE - PETER PRUSSNER ....................................................................................... 11 (President - Inaugural Committee - VARMS No 1) ................................................ 11 PROFILE - ALAN VILLIERS ............................................................................................. 18 (Secretary - Inaugural Committee - VARMS No 2) ................................................ 18 PROFILE - RAY DATODI - DIP. E.E, G.I.E., M.I.I.C.A. .................................................... 19 (Treasurer - Inaugural Committee - VARMS No 3) ............................................... 19 GMAA (GAGS) THE EARLY DAYS ................................................................................