Download or read book Flight Test Evaluation of the HU 1B Helicopter Equipped with the 2 75 Aircraft Interim Area Rocket Weapon System written by John T. Blaha and published by . This book was released on 1963 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering Flight Test of the Uh 1c Helicopter Equipped with the M 5 Grenade Launcher and the Xm 158 Or Xm 159 Airborne Rocket Launcher Pods Suspended from the Xm 156 Multiarmament Mount written by Jerry W. Petrie and published by . This book was released on 1967 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented are the results of engineering flight test of the UH-1C (UH-1B/540 rotor) helicopter equipped with the M-5 grenade launcher and the XM-158 or XM-159 airborne rocket launcher pods suspended from the X-156 multiarmament helicopter mount. Tests included 32 jettison flights for the XM-158 pods, 20 jettison flights for the XM-159 pods and 16 firings of the XM-159 pods. The objective was to determine quantitative effect of the XM-159 pods installed from the XM-156 mount on the stability, control and performance of the helicopter; to determine the XM-158 and XM-159 jettison characteristics and define the flight envelope for safe jettison of the pods; and to determine the flight envelope for firing the XM-159 pods. There were no significant adverse changes in the stability and control characteristics of the UH-1B/540 due to the installation of the XM-159. Previously reported longitudinal dynamic instability in climbs was also present throughout the tests. Self-excited undamped lateral 2/3-per-rev vibration was prevalent during the tests. Insufficient rocket-to-aircraft clearance for firing the XM-159 on the XM-156 mount was present without the addition of 4-inch cast aluminum spacers between the XM-156 mount and the universal pylon. The XM-159 was adjusted to maximum elevation to provide sufficient clearance for firing with the spacers installed. No major stability and control problems were encountered during the firing tests of the XM-159 or during the jettison tests of both the XM-158 and XM-159. Recommended flight envelopes were developed for jettison of both systems. (Author).
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1968 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering Flight Test of Uh 1b 540 Rotor Helicopter Equipped with Xm 16 m 5 Xm 21 m 5 Or Xm 3 m 5 Armament Subsystem written by John I. Nagata and published by . This book was released on 1966 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of an engineering flight test of the UH-1B/540 rotor helicopter equipped with the XM-16, XM-21, or XM-3 armament subsystem in conjunction with the M-5 armament subsystem. The test was conducted by the U.S. Army Aviation Test Activity (USAAVNTA). Overall test objectives were to verify safety of flight, develope data for the operator's manual, and assure that aircraft modifications did not degrade the handling qualities or limit the operational characteristics of the subsystems. Specific objectives were to determine quantitatively the effect of the armament subsystems on stability, control and performance of the aircraft, to determine the rocket launcher jettison characteristics, and to define the usable limits of the flight envelope for safe jettison of the launchers. Testing was conducted at Edwards Air Force Base, California, and at sites in Fort Irwin and Bakersfield, California. A total of 152 flights for a productive flight time of 116.4 hours was flown on aircraft S/N 64-14105 between 13 November 1965 and 5 May 1966. This included 30 jettison flights and 35 firing flights.
Download or read book Engineering Flight Test of the Uh 1b Helicopter Equipped with the Model 540 Rotor System Phase D written by Laurel G. Schroers and published by . This book was released on 1966 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of the test were to determine the airworthiness and to define the performance characteristics and flying qualities of the helicopter. Test Results, where appropriate, were compared with previous test results of the standard UH-1B. Tests were conducted at Edwards Air Force Base, California, and at remote test sites in California and Colorado from 19 May 1965 through 30 April 1966. Total aircraft flight time was 336.30 hours. Quantitative helicopter performance was defined for hovering, takeoff, climb, level flight, and autorotation. Stability and control characteristics were investigated for varied conditions of altitude, airspeed, center-of-gravity location, and gross weight.
Download or read book Engineering Flight Test of the Uh 1c Helicopter Equipped with the Xm 30 Weapon System written by Kenneth R. Ferrell and published by . This book was released on 1967 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Army Preliminary Evaluation of the UH-1C/XM-30 weapon system was conducted by the U.S. Army Aviation Test Activity at Edwards Air Force Base and Fort Irwin, California. The degradation in level flight performance attributed to the weapon installation was defined and no objectionable flying qualities were encountered during firing or non-firing tests. The armed mission capability of the helicopter was degraded by high levels of stress, vibration, blast, and noise during firing and restrictive limitations were imposed by gun malfunctions and system gross weight. The reliability of the weapon system was poor and should be improved prior to further Army testing.
Download or read book Flight Evaluation of the UH 1B Helicopter Equipped with an XM 5 Armament Kit written by Joseph M. Kudirka and published by . This book was released on 1964 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Helicopter Test and Evaluation written by Alastair Cooke and published by John Wiley & Sons. This book was released on 2009-02-12 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although a number of texts on helicopter aerodynamics have been written, few have explained how the various theories concerning rotorborne flight underpin practical flight test and evaluation. This book combines theoretical information on aerodynamics, stability, control and performance with details of evaluation methodologies and practical guidance on the conduct of helicopter flight tests. For each topic the relevant theory is explained briefly and followed by details of the practical aspects of testing a conventional helicopter. These include: * safety considerations * planning the tests * the most efficient way to conduct individual flights Where possible typical test results are presented and discussed. The book draws on the authors' extensive experience in flight test and flight test training and will appeal not only to professionals working in the area of rotorcraft test and evaluation, but also to helicopter pilots, rotorcraft designers and manufacturers and final year undergraduates of aeronautical engineering
Download or read book Flight Test Identification and Simulation of a UH 60A Helicopter and Slung Load written by and published by . This book was released on 2001 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Helicopter slung-load operations are common in both military and civil contexts. Helicopters and loads are often qualified for these operations by means of flight tests, which can be expensive and time consuming. There is significant potential to reduce such costs both through revisions in flight-test methods and by using validated simulation models. To these ends, flight tests were conducted at Moffett Field to demonstrate the identification of key dynamic parameters during flight tests (aircraft stability margins and handling-qualities parameters, and load pendulum stability), and to accumulate a data base for simulation development and validation. The test aircraft was a UH-60A Black Hawk, and the primary test load was an instrumented 8- by 6- by 6-ft cargo container. Tests were focused on the lateral and longitudinal axes, which are the axes most affected by the load pendulum modes in the frequency range of interest for handling qualities; tests were conducted at airspeeds from hover to 80 knots. Using telemetered data, the dynamic parameters were evaluated in near real time after each test airspeed and before clearing the aircraft to the next test point. These computations were completed in under 1 min. A simulation model was implemented by integrating an advanced model of the UH-60A aerodynamics, dynamic equations for the two-body slung-load system, and load static aerodynamics obtained from wind-tunnel measurements. Comparisons with flight data for the helicopter alone and with a slung load showed good overall agreement for all parameters and test points; however, unmodeled secondary dynamic losses around 2 Hz were found in the helicopter model and they resulted in conservative stability margin estimates.
Download or read book Flying Magazine written by and published by . This book was released on 1962-05 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulative Title Index to United States Public Documents 1789 1976 written by Daniel W. Lester and published by . This book was released on 1980 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering Test of Uh 1b Helicopter Equipped with Floatation Landing Gear written by John T. Blaha and published by . This book was released on 1966 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: A limited engineering flight test evaluation of the UH-1B equipped with floatation landing gear was conducted by the U.S. Army Aviation Test Activity (USAAVNTA). The objectives of the program were to verify and amplify the data obtained during the manufacturer's flight testing and establish the basis for the Operator's Manual data to be used for UH-1B helicopters equipped with floatation landing gear. A total of 40 flights for 27 productive flight hours was flown at Edwards Air Force Base and Bakersfield, California, from 27 July 1965 through 10 September 1965. The UH-1B equipped with floatation landing gear could be flown with reasonable safety within a restricted flight envelope compared with a standard UH-1B. The water handling characteristics were considered excellent. Several warning statements and notations describing peculiarities in handling quantities were recommended for insertion in the Operator's Manual for operating UH-1B's with floatation landing gear. A restricted flight envelope was recommended for the UH-1B equipped with floatation landing gear. The performance test results were recommended for incorporation in the Operator's Manual.
Download or read book 2 75 Inch Rocket AH 1G Helicopter Weapons System Baseline Instrumentation Test Report written by Benjamin Tirabassi and published by . This book was released on 1972 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: THis report deals with the acquisition and retrieval of data pertinent to the analysis of the 2.75 Inch Rocket/AH-1G Weapons System Baseline Accuracy Tests. Volume I details the various phases of the 2.75 in Rocket Baseline Accuracy Test as they pertain to ECOM supported functions and its airborne data retrieval system. A complete description is included of the instrumentation system, aircraft flight configurations, alignment and preflight procedures and a comprehensive description of the major subsystems both procured and fabricated for the test program. Volume II is a presentation of retrieved data samples, recorded during Phase A and Phase B testing at the Yuma Proving Grounds, to verify airborne instrumentation performance. Analysis of the data is presented including plots of retrieved data, correlations between data samples taken with various transducers and a frequency analysis of the sampled data.
Download or read book Student Handbook written by and published by . This book was released on 1984 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering Flight Test of Uh 1b Helicopter Equipped with Xm 16 Armament Subsystem and Engineering Flight Test of Uh 1b Helicopter Equipped with Xm 21 Armament Subsystem written by George M. Yamakawa and published by . This book was released on 1966 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineering flight tests of the UH-1B helicopter equipped with the XM-16 and XM-21 armament subsystems were conducted. The overall objective was to determine the effect of the installation of the subsystems on the UH-1B. Specific objectives were to determine the existence of any safety-of-flight conditions by evaluation of equantitative stability and control and vibration data and to determine any performance losses.
Download or read book Engineering Flight Test of the AH 1G Helicopter Hueycobra Phase B written by John R. Melton and published by . This book was released on 1969 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part 2 of the AH-1G helicopter Phase B test was conducted at Bell Helicopter Company, Fort Worth Texas, from 8 September to 26 September 1967 by the US Army Aviation Systems Test Activity, Edwards AFB, California. Part 2 comprised the Phase B testing of the basic configuration (XM-157 rocket launcher outboard on each wing). Earlier tests (Phase B, Part 1) were of the Scout (XM-157 outboard, XM-18 inboard each wing) and Hog (two XM-159 rocket launchers on each wing) configurations. The prototype aircraft for this test was similar to the one previously tested. This test emphasized stability and control testing in the basic configuration.
Download or read book Flying Magazine written by and published by . This book was released on 1962-05 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
