The History and Physics of Flight
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The Luftwaffe Wasn't Alone
PIONEER JETS OF WORLD WAR II THE LUFTWAFFE WASN’T ALONE BY BARRETT TILLMAN he history of technology is replete with Heinkel, which absorbed some Junkers engineers. Each fac tory a concept called “multiple independent opted for axial compressors. Ohain and Whittle, however, discovery.” Examples are the incandes- independently pursued centrifugal designs, and both encoun- cent lightbulb by the American inventor tered problems, even though both were ultimately successful. Thomas Edison and the British inventor Ohain's design powered the Heinkel He 178, the world's first Joseph Swan in 1879, and the computer by jet airplane, flown in August 1939. Whittle, less successful in Briton Alan Turing and Polish-American finding industrial support, did not fly his own engine until Emil Post in 1936. May 1941, when it powered Britain's first jet airplane: the TDuring the 1930s, on opposite sides of the English Chan- Gloster E.28/39. Even so, he could not manufacture his sub- nel, two gifted aviation designers worked toward the same sequent designs, which the Air Ministry handed off to Rover, goal. Royal Air Force (RAF) Pilot Officer Frank Whittle, a a car company, and subsequently to another auto and piston 23-year-old prodigy, envisioned a gas-turbine engine that aero-engine manufacturer: Rolls-Royce. might surpass the most powerful piston designs, and patented Ohain’s work detoured in 1942 with a dead-end diagonal his idea in 1930. centrifugal compressor. As Dr. Hallion notes, however, “Whit- Slightly later, after flying gliders and tle’s designs greatly influenced American savoring their smooth, vibration-free “Axial-flow engines turbojet development—a General Electric– flight, German physicist Hans von Ohain— were more difficult built derivative of a Whittle design powered who had earned a doctorate in 1935— to perfect but America's first jet airplane, the Bell XP-59A became intrigued with a propeller-less gas- produced more Airacomet, in October 1942. -
Weather and Aviation: How Does Weather Affect the Safety and Operations of Airports and Aviation, and How Does FAA Work to Manage Weather-Related Effects?
Kulesa 1 Weather and Aviation: How Does Weather Affect the Safety and Operations of Airports and Aviation, and How Does FAA Work to Manage Weather-related Effects? By Gloria Kulesa Weather Impacts On Aviation In addition, weather continues to play a significant role in a number of aviation Introduction accidents and incidents. While National Transportation Safety Board (NTSB) reports ccording to FAA statistics, weather is most commonly find human error to be the the cause of approximately 70 percent direct accident cause, weather is a primary of the delays in the National Airspace contributing factor in 23 percent of all System (NAS). Figure 1 illustrates aviation accidents. The total weather impact that while weather delays declined with overall is an estimated national cost of $3 billion for NAS delays after September 11th, 2001, delays accident damage and injuries, delays, and have since returned to near-record levels. unexpected operating costs. 60000 50000 40000 30000 20000 10000 0 1 01 01 0 01 02 02 ul an 01 J ep an 02 J Mar May S Nov 01 J Mar May Weather Delays Other Delays Figure 1. Delay hours in the National Airspace System for January 2001 to July 2002. Delay hours peaked at 50,000 hours per month in August 2001, declined to less than 15,000 per month for the months following September 11, but exceeded 30,000 per month in the summer of 2002. Weather delays comprise the majority of delays in all seasons. The Potential Impacts of Climate Change on Transportation 2 Weather and Aviation: How Does Weather Affect the Safety and Operations of Airports and Aviation, and How Does FAA Work to Manage Weather-related Effects? Thunderstorms and Other Convective In-Flight Icing. -
Lighter-Than-Air Vehicles for Civilian and Military Applications
Lighter-than-Air Vehicles for Civilian and Military Applications From the world leaders in the manufacture of aerostats, airships, air cell structures, gas balloons & tethered balloons Aerostats Parachute Training Balloons Airships Nose Docking and PARACHUTE TRAINING BALLOONS Mooring Mast System The airborne Parachute Training Balloon system (PTB) is used to give preliminary training in static line parachute jumping. For this purpose, an Instructor and a number of trainees are carried to the operational height in a balloon car, the winch is stopped, and when certain conditions are satisfied, the trainees are dispatched and make their parachute descent from the balloon car. GA-22 Airship Fully Autonomous AIRSHIPS An airship or dirigible is a type of aerostat or “lighter-than-air aircraft” that can be steered and propelled through the air using rudders and propellers or other thrust mechanisms. Unlike aerodynamic aircraft such as fixed-wing aircraft and helicopters, which produce lift by moving a wing through the air, aerostatic aircraft, and unlike hot air balloons, stay aloft by filling a large cavity with a AEROSTATS lifting gas. The main types of airship are non rigid (blimps), semi-rigid and rigid. Non rigid Aerostats are a cost effective and efficient way to raise a payload to a required altitude. airships use a pressure level in excess of the surrounding air pressure to retain Also known as a blimp or kite aerostat, aerostats have been in use since the early 19th century their shape during flight. Unlike the rigid design, the non-rigid airship’s gas for a variety of observation purposes. -
PC-6/B2-H4 Airplane Flight Manual Doc. No. 1820 at Revision 8
PILOT’S INFORMATION MANUAL PC-6/B2-H4 applicable from AC S/N 825 PILOT’S INFORMATION MANUAL PC-6/B2-H4 applicable from AC S/N 825 WARNING •This PC-6 Pilot’s Information Manual is published for general and familiarization purposes only. •This Pilot’s Information Manual does NOT meet FAA, FOCA or any other civil aviation authority regulations for operation of ANY Aircraft. •This Pilot’s Information Manual is a reproduction of a PC-6 Airplane Flight Manual, however, it is NOT revised or updated. •This Pilot’s Information Manual does NOT reflect the configuration or operating parameters of any actual aircraft. •Only the Approved Airplane Flight Manual issued for a specific serial number aircraft may be used for actual operation of that serial number aircraft. Pilatus Aircraft Ltd P.O. Box 992 6371 Stans, Switzerland Phone +41 41 619 67 00 Fax +41 41 619 92 00 [email protected] www.pilatus-aircraft.com AIRPLANE FLIGHT MANUAL PC-6/B2-H4 ONLY REPORT NO. 1820 PURPOSES REGISTRATION ._____ __. SERIAL NO . APPLICABLE FROM A/C SIN 825 FAMILIARIZATION THIS AIRPLANDANE IS TO BE OPERAT ED IN COMPLIANCE WITH INFORMATION AND LIMI TATIONS CONTAINED HEREIN THIS FLIGHT MANUAL IS TO BE KEPT GENERAL IN THE AIRCRAFT AT ALL TIMES FOR Approved by: SWISS FEDERAL OFF FOR CIVIL AVIATION · �L Nov 20, JS�S" Date of Approval : ____·- ______ PILATUS AIRCRAFT LTD STANS/SWITZERLAND ONLY PURPOSES FAMILIARIZATION AND GENERAL FOR © Pilatus Aircraft Ltd. This document contains proprietary information that is protected by copyright. All rights are reserved, No part of this document may be copied, reproduced or translated to other languages without the prior written consent of Pilatus Aircraft Ltd. -
Flight Inspection History Written by Scott Thompson - Sacramento Flight Inspection Office (May 2008)
Flight Inspection History Written by Scott Thompson - Sacramento Flight Inspection Office (May 2008) Through the brief but brilliant span of aviation history, the United States has been at the leading edge of advancing technology, from airframe and engines to navigation aids and avionics. One key component of American aviation progress has always been the airway and navigation system that today makes all-weather transcontinental flight unremarkable and routine. From the initial, tentative efforts aimed at supporting the infant air mail service of the early 1920s and the establishment of the airline industry in the 1930s and 1940s, air navigation later guided aviation into the jet age and now looks to satellite technology for direction. Today, the U.S. Federal Aviation Administration (FAA) provides, as one of many services, the management and maintenance of the American airway system. A little-seen but still important element of that maintenance process is airborne flight inspection. Flight inspection has long been a vital part of providing a safe air transportation system. The concept is almost as old as the airways themselves. The first flight inspectors flew war surplus open-cockpit biplanes, bouncing around with airmail pilots and watching over a steadily growing airway system predicated on airway light beacons to provide navigational guidance. The advent of radio navigation brought an increased importance to the flight inspector, as his was the only platform that could evaluate the radio transmitters from where they were used: in the air. With the development of the Instrument Landing System (ILS) and the Very High Frequency Omni-directional Range (VOR), flight inspection became an essential element to verify the accuracy of the system. -
How Can the UK Maintain Leadership in Aerospace Manufacturing?
How can the UK maintain leadership in Aerospace manufacturing? Raytheon UK Industry Debate and Parliamentary Reception Cranfield University Contents 3 Introduction 4 Peter Felstead 6 Raytheon UK report 8 Emma Reynolds MP 9 Dods research 11 Steve Baker MP 12 Dods research 14 Mark Tami MP 2 Introduction n 3rd December 2012, Raytheon UK, a culture of innovation, a vibrant research and O supported by Airbus UK and the Royal development base and an influx of new recruits, Aeronautical Society, hosted policy and industry who are inspired and enthused by the opportunities experts from across the Aerospace sector at the in Aerospace, the UK can continue to lead. Institute of Mechanical Engineers to discuss how Writing in this report, Emma Reynolds MP and the UK can maintain its position as a global leader Steve Baker MP set out their views on encouraging in Aerospace manufacturing. children to aspire to a career in aerospace This report not only contains research and engineering and retaining this talent within the case studies drawn from the panel discussions on sector, while Mark Tami MP argues the case for the day, but also a series of exclusive articles from greater investment in manufacturing technologies parliamentarians who offer their perspectives on to ensure the UK’s future global position. the challenges and opportunities for the UK in the race for excellence. We hope that you find the research and opinion During the day, delegates heard how with informative. 3 Race for aerospace Despite a challenging global picture the UK retains its position of ‘true excellence’ in the aerospace industry. -
Poster Presentation
AN OVERVIEW OF AERIAL APPROACHES TO EXPLORING SCIENTIFIC REGIONS AT TITAN M.Pauken1, J. L. Hall1, L. Matthies1, M. Malaska1, J. A. Cutts1, P. Tokumaru2, B. Goldman3 and M. De Jong4 1Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA; 2AeroVironment Inc., Monrovia, CA 3Global Aerospace, Monrovia CA, 4Thin Red Line Aerospace, Chilliwack, BC Scientific Motivations Aerial Platforms for Scientific Exploration • Titan has a rich and abundant supply of organic molecules and a hydrology cycle based on cryogenic hydrocarbons. Titan • Aerial platforms are ideal for performing initial environments include organic, dunes, plains, and hydrocarbon lakes and seas. reconnaissance of such locations by remote sensing • Titan may have had near-surface liquid water from impact melt pools and possible cryovolcanic outflows that may have mixed with and following it up with in situ analysis. surface organics to create biologically interesting molecules such as amino acids. • The concept of exploring at Titan with aerial vehicles • These environments present unique and important locations for investigating prebiotic chemistry, and potentially, the first steps dates back to the 1970s [2]. towards life. • NASA initiated studies of Titan balloon missions in • When the Huygens Probe descended through Titan’s atmosphere it determined the atmosphere was clear enough to permit imaging the early 1980s [3]. of the surface from 40-km altitude and had a rich variety of geological features. Winds were light and diurnal changes were minimal • JPL -
Water Rocket Booklet
A guide to building and understanding the physics of Water Rockets Version 1.02 June 2007 Warning: Water Rocketeering is a potentially dangerous activity and individuals following the instructions herein do so at their own risk. Exclusion of liability: NPL Management Limited cannot exclude the risk of accident and, for this reason, hereby exclude, to the maximum extent permissible by law, any and all liability for loss, damage, or harm, howsoever arising. Contents WATER ROCKETS SECTION 1: WHAT IS A WATER ROCKET? 1 SECTION 3: LAUNCHERS 9 SECTION 4: OPTIMISING ROCKET DESIGN 15 SECTION 5: TESTING YOUR ROCKET 24 SECTION 6: PHYSICS OF A WATER ROCKET 29 SECTION 7: COMPUTER SIMULATION 32 SECTION 8: SAFETY 37 SECTION 9: USEFUL INFORMATION 38 SECTION 10: SOME INTERESTING DETAILS 40 Copyright and Reproduction Michael de Podesta hereby asserts his right to be identified as author of this booklet. The copyright of this booklet is owned by NPL. Michael de Podesta and NPL grant permission to reproduce the booklet in part or in whole for any not-for-profit educational activity, but you must acknowledge both the author and the copyright owner. Acknowledgements I began writing this guide to support people entering the NPL Water Rocket Competition. So the first acknowledgement has to be to Dr. Nick McCormick, who founded the competition many years ago and who is still the driving force behind the activity at NPL. Nick’s instinct for physics and fun has brought pleasure to thousands. The inspiration to actually begin writing this document instead of just saying that someone ought to do it, was provided by Andrew Hanson. -
AMA FPG-9 Glider OBJECTIVES – Students Will Learn About the Basics of How Flight Works by Creating a Simple Foam Glider
AEX MARC_Layout 1 1/10/13 3:03 PM Page 18 activity two AMA FPG-9 Glider OBJECTIVES – Students will learn about the basics of how flight works by creating a simple foam glider. – Students will be introduced to concepts about air pressure, drag and how aircraft use control surfaces to climb, turn, and maintain stable flight. Activity Credit: Credit and permission to reprint – The Academy of Model Aeronautics (AMA) and Mr. Jack Reynolds, a volunteer at the National Model Aviation Museum, has graciously given the Civil Air Patrol permission to reprint the FPG-9 model plan and instructions here. More activities and suggestions for classroom use of model aircraft can be found by contacting the Academy of Model Aeronautics Education Committee at their website, buildandfly.com. MATERIALS • FPG-9 pattern • 9” foam plate • Scissors • Clear tape • Ink pen • Penny 18 AEX MARC_Layout 1 1/10/13 3:03 PM Page 19 BACKGROUND Control surfaces on an airplane help determine the movement of the airplane. The FPG-9 glider demonstrates how the elevons and the rudder work. Elevons are aircraft control surfaces that combine the functions of the elevator (used for pitch control) and the aileron (used for roll control). Thus, elevons at the wing trailing edge are used for pitch and roll control. They are frequently used on tailless aircraft such as flying wings. The rudder is the small moving section at the rear of the vertical stabilizer that is attached to the fixed sections by hinges. Because the rudder moves, it varies the amount of force generated by the tail surface and is used to generate and control the yawing (left and right) motion of the aircraft. -
Federal Aviation Administration, DOT § 61.45
Federal Aviation Administration, DOT Pt. 61 Vmcl Minimum Control Speed—Landing. 61.35 Knowledge test: Prerequisites and Vmu The speed at which the last main passing grades. landing gear leaves the ground. 61.37 Knowledge tests: Cheating or other VR Rotate Speed. unauthorized conduct. VS Stall Speed or minimum speed in the 61.39 Prerequisites for practical tests. stall. 61.41 Flight training received from flight WAT Weight, Altitude, Temperature. instructors not certificated by the FAA. 61.43 Practical tests: General procedures. END QPS REQUIREMENTS 61.45 Practical tests: Required aircraft and equipment. [Doc. No. FAA–2002–12461, 73 FR 26490, May 9, 61.47 Status of an examiner who is author- 2008] ized by the Administrator to conduct practical tests. PART 61—CERTIFICATION: PILOTS, 61.49 Retesting after failure. FLIGHT INSTRUCTORS, AND 61.51 Pilot logbooks. 61.52 Use of aeronautical experience ob- GROUND INSTRUCTORS tained in ultralight vehicles. 61.53 Prohibition on operations during med- SPECIAL FEDERAL AVIATION REGULATION NO. ical deficiency. 73 61.55 Second-in-command qualifications. SPECIAL FEDERAL AVIATION REGULATION NO. 61.56 Flight review. 100–2 61.57 Recent flight experience: Pilot in com- SPECIAL FEDERAL AVIATION REGULATION NO. mand. 118–2 61.58 Pilot-in-command proficiency check: Operation of an aircraft that requires Subpart A—General more than one pilot flight crewmember or is turbojet-powered. Sec. 61.59 Falsification, reproduction, or alter- 61.1 Applicability and definitions. ation of applications, certificates, 61.2 Exercise of Privilege. logbooks, reports, or records. 61.3 Requirement for certificates, ratings, 61.60 Change of address. -
Glider Handbook, Chapter 2: Components and Systems
Chapter 2 Components and Systems Introduction Although gliders come in an array of shapes and sizes, the basic design features of most gliders are fundamentally the same. All gliders conform to the aerodynamic principles that make flight possible. When air flows over the wings of a glider, the wings produce a force called lift that allows the aircraft to stay aloft. Glider wings are designed to produce maximum lift with minimum drag. 2-1 Glider Design With each generation of new materials and development and improvements in aerodynamics, the performance of gliders The earlier gliders were made mainly of wood with metal has increased. One measure of performance is glide ratio. A fastenings, stays, and control cables. Subsequent designs glide ratio of 30:1 means that in smooth air a glider can travel led to a fuselage made of fabric-covered steel tubing forward 30 feet while only losing 1 foot of altitude. Glide glued to wood and fabric wings for lightness and strength. ratio is discussed further in Chapter 5, Glider Performance. New materials, such as carbon fiber, fiberglass, glass reinforced plastic (GRP), and Kevlar® are now being used Due to the critical role that aerodynamic efficiency plays in to developed stronger and lighter gliders. Modern gliders the performance of a glider, gliders often have aerodynamic are usually designed by computer-aided software to increase features seldom found in other aircraft. The wings of a modern performance. The first glider to use fiberglass extensively racing glider have a specially designed low-drag laminar flow was the Akaflieg Stuttgart FS-24 Phönix, which first flew airfoil. -
Assessing the Evolution of the Airborne Generation of Thermal Lift in Aerostats 1783 to 1883
Journal of Aviation/Aerospace Education & Research Volume 13 Number 1 JAAER Fall 2003 Article 1 Fall 2003 Assessing the Evolution of the Airborne Generation of Thermal Lift in Aerostats 1783 to 1883 Thomas Forenz Follow this and additional works at: https://commons.erau.edu/jaaer Scholarly Commons Citation Forenz, T. (2003). Assessing the Evolution of the Airborne Generation of Thermal Lift in Aerostats 1783 to 1883. Journal of Aviation/Aerospace Education & Research, 13(1). https://doi.org/10.15394/ jaaer.2003.1559 This Article is brought to you for free and open access by the Journals at Scholarly Commons. It has been accepted for inclusion in Journal of Aviation/Aerospace Education & Research by an authorized administrator of Scholarly Commons. For more information, please contact [email protected]. Forenz: Assessing the Evolution of the Airborne Generation of Thermal Lif Thermal Lift ASSESSING THE EVOLUTION OF THE AIRBORNE GENERATION OF THERMAL LIFT IN AEROSTATS 1783 TO 1883 Thomas Forenz ABSTRACT Lift has been generated thermally in aerostats for 219 years making this the most enduring form of lift generation in lighter-than-air aviation. In the United States over 3000 thermally lifted aerostats, commonly referred to as hot air balloons, were built and flown by an estimated 12,000 licensed balloon pilots in the last decade. The evolution of controlling fire in hot air balloons during the first century of ballooning is the subject of this article. The purpose of this assessment is to separate the development of thermally lifted aerostats from the general history of aerostatics which includes all gas balloons such as hydrogen and helium lifted balloons as well as thermally lifted balloons.