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Engineering Flight Test Of The Ah 1g Helicopter Equipped With The Xm 20 Armament Subsystem Automatic 20mm Cannon
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Book Synopsis Engineering Flight Test of the Ah-1g Helicopter Equipped with the Xm-20 Armament Subsystem (automatic 20mm Cannon). by : Stephen G. Dorris
Download or read book Engineering Flight Test of the Ah-1g Helicopter Equipped with the Xm-20 Armament Subsystem (automatic 20mm Cannon). written by Stephen G. Dorris and published by . This book was released on 1968 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The engineering flight test of the AH-1G helicopter equipped with the XM-20 armament subsystem (automatic 20MM cannon) was conducted at Fort Hood, Texas from 31 January 1968 through 2 February 1968 by the US Army Aviation Test Activity, Edwards Air Force Base, California. Firing and nonfiring flight tests were conducted to determine the effects on the stability and control characteristics of the AH-1G helicopter caused by installation of the XM-20 armament subsystem. These tests were primarily qualitative in nature with limited qualitative data. The only stability and control characteristic which was affected either in the firing or nonfiring mode was the static longitudinal cyclic position gradients which were low at high speeds. The deficiencies detected during this test were the interference of the XM-20 gearbox with the XM-159 rocket pod and unreliability of the standard airspeed system due to the location of the static port in proximity to the XM-20 blast pressures. One firing rate of 600-800 spm is considered optimum. The XM-20 appears to offer greater stand-off capability, greater accuracy and more killing power than 2.75 inch rockets. It appears to be a reliable subsystem. The XM-20 configuration should be finalized, installed on a production AH-1G helicopter and certified for airworthiness throughout the AH-1G flight envelope as soon as possible to allow early introduction to Republic of Vietnam. (Author).
Book Synopsis Engineering Flight Test: AH-1G (Hueycobra) Helicopter Equipped with the XM35 Armament Subsystem (20mm Automatic Gun) by : Gary C. Hall
Download or read book Engineering Flight Test: AH-1G (Hueycobra) Helicopter Equipped with the XM35 Armament Subsystem (20mm Automatic Gun) written by Gary C. Hall and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Flight Test of the Ah-1g Helicopter Equipped with the Xm-28 Chin Turret with One 7.62mm Automatic Gun (m-134) and One 40mm Grenade Launcher (xm-129)-hybrid. Phase B by : Peter V. Passinisi
Download or read book Engineering Flight Test of the Ah-1g Helicopter Equipped with the Xm-28 Chin Turret with One 7.62mm Automatic Gun (m-134) and One 40mm Grenade Launcher (xm-129)-hybrid. Phase B written by Peter V. Passinisi and published by . This book was released on 1968 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part 5 of the AH-1G helicopter Phase B test was conducted at Yuma Proving Ground, Yuma, Arizona, from 6 through 9 February 1968 by the US Army Aviation Test Activity, Edwards Air Force Base, California. The test consisted of firing the XM-28 chin turret, with one 7.62 millimeter automatic gun (M-134) and one 40 millimeter grenade launcher (XM-129) to determine the weapons system's effect on the stability and control characteristics of the helicopter. No safety of flight restrictions resulted from firing this system within the flight envelope. Correction of four deficiencies is mandatory to provide acceptable mission effectiveness and safety. These deficiencies are the inadequate forward visibility from the pilot's cockpit due to the N-9A gunsight installation, the lack of a fire warning system, the lack of a standby generator for IFR flight, and link jam malfunctions of the minigun during symmetrical pull-out maneuvers. Fifteen shortcomings, for which correction is desirable, limit mission effectiveness. The reliability of the weapons system was questionable and service type testing should be conducted prior to system acceptance. Correction of the deficiencies is mandatory and should be tested prior to deployment. Shortcomings, for which correction is desirable, should be corrected on a high priority basis. (Author).
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Army Preliminary Evaluation of the AH-1G (Hueycobra) Helicopter Equipped with the XM35 Armament Subsystem (20mm Automatic Gun). by : Neal Donaldson
Download or read book Army Preliminary Evaluation of the AH-1G (Hueycobra) Helicopter Equipped with the XM35 Armament Subsystem (20mm Automatic Gun). written by Neal Donaldson and published by . This book was released on 1969 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Army Preliminary Evaluation of the AH-1G (Hueycobra) helicopter equipped with the XM35 armament subsystem (20 mm automatic gun) was conducted. This evaluation consisted of performance and firing and nonfiring stability and control tests. Stability and control tests were also conducted with the turret ammunition bay doors open and loaded to simulate an evacuation mission configuration.
Book Synopsis Engineering Flight Test of the Ah-1g (hueycobra) Helicopter Equipped with the Xm-28 Chin Turret with Twin Xm-134 Miniguns. Phase B by : John R. Melton
Download or read book Engineering Flight Test of the Ah-1g (hueycobra) Helicopter Equipped with the Xm-28 Chin Turret with Twin Xm-134 Miniguns. Phase B written by John R. Melton and published by . This book was released on 1968 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: Firing tests were conducted to determine the effects on the stability and control characteristics of the AH-1G helicopter caused by firing the twin XM-134 minigun 7.62 machine guns in the XM-28 chin turret. Firing the two XM-134 miniguns in the XM-28 turret does not cause any objectionable aircraft reactions which would restrict the flight envelope. The deficiencies and shortcomings detected during this test are discussed.
Book Synopsis Engineering Test of Armament Subsystem, 20-mm, XM35 on AH-1G Helicopter by : O. S. Hanel
Download or read book Engineering Test of Armament Subsystem, 20-mm, XM35 on AH-1G Helicopter written by O. S. Hanel and published by . This book was released on 1969 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The engineering test of the XM35 subsystem is being performed to determine the safety characteristics of the subsystem and to determine functioning and reliability of the subsystem in relation to the technical requirements. The environmental test phases, (high and low temperature, humidity, and vibration) were performed in April through 9 July 1969. Tests of the subsystem on the aircraft are scheduled to begin in September 1969.
Book Synopsis Engineering Flight Test of the Ah-1g (hueycobra) Helicopter Equipped with the Xm-28 Chin Turret with Twin Xm-129, 40mm Grenade Launchers, Phase B by : John R. Melton
Download or read book Engineering Flight Test of the Ah-1g (hueycobra) Helicopter Equipped with the Xm-28 Chin Turret with Twin Xm-129, 40mm Grenade Launchers, Phase B written by John R. Melton and published by . This book was released on 1968 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Firing tests were conducted to determine the effects on the stability and control characteristics of the AH-1G helicopter caused by firing the twin XM-129, 40mm grenade launchers in the XM-28 chin turret.
Book Synopsis Engineering Flight Test of the AH-1G Helicopter Hueycobra. Phase B by : John R. Melton
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.
Book Synopsis Engineering Flight Test: AH-1G and UH-1H Helicopters Equipped with an Infrared Suppressor by : United States. Army Aviation Systems Test Activity
Download or read book Engineering Flight Test: AH-1G and UH-1H Helicopters Equipped with an Infrared Suppressor written by United States. Army Aviation Systems Test Activity and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Flight Test AH-1G Helicopter (Hueycobra). Phase D (Airworthiness and Flight Characteristics). Part 2. Performance by : Rodger L. Finnestead
Download or read book Engineering Flight Test AH-1G Helicopter (Hueycobra). Phase D (Airworthiness and Flight Characteristics). Part 2. Performance written by Rodger L. Finnestead and published by . This book was released on 1970 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within the scope of this test, the AH-1G helicopter is suitable for the armed helicopter mission provided the insufficient directional control power and inadequate tail rotor drive system torque limitations are corrected. A directional control margin of 10 percent while hovering is the minimum acceptable for normal operation. Installation of the engine inlet screens and the engine particle separator decrease the performance capability of the AH-1G when maximum power available is the limiting parameter. The level-flight performance capabilities of the AH-1G vary with longitudinal cg location and improve as the cg moves aft. The degradation of hover performance capability when hovering in adverse crosswind is significant. The excellent climb performance, particularly from SL to 10,000 feet, enhances the capability of the AH-1G for the attack helicopter mission.
Book Synopsis Engineering Flight Test, AH-1G Helicopter, Heavyweight Autorotational Evaluation by : Joseph C. Watts
Download or read book Engineering Flight Test, AH-1G Helicopter, Heavyweight Autorotational Evaluation written by Joseph C. Watts and published by . This book was released on 1974 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineering flight tests were conducted by the United States Army Aviation Systems Test Activity to determine if any adverse autorotational entry or landing characteristics would preclude increasing the maximum operational gross weight of the AH-1G helicopter above the current 9500 pounds. A production AH-1G helicopter with tractor tail rotor was flown 14.4 hours at Edwards Air Force Base, California between 26 September and 12 October 1973 in the Hog configuration. Autorotational entries were performed successfully at gross weights from 9000 to 10,000 pounds from climbs, level flight, and dives. (Modified author abstract).
Book Synopsis Engineering Flight Test. AH-1G Helicopter, Hueycobra, Phase B by : Rodger L. Finnestead
Download or read book Engineering Flight Test. AH-1G Helicopter, Hueycobra, Phase B written by Rodger L. Finnestead and published by . This book was released on 1969 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The AH-1G helicopter Phase B, Part 6 test program was conducted at Shafter, California, and Edwards Air Force Base, California. The program was conducted to determine level flight performance, autorotational performance, engine characteristics, armed helicopter mission capability and to evaluate the in-ground-effect (IGE) handling qualities with the canopy doors removed.
Book Synopsis Engineering Flight Test AH-1G Helicopter (Hueycobra) by : Richard B. Lewis
Download or read book Engineering Flight Test AH-1G Helicopter (Hueycobra) written by Richard B. Lewis and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Flight Test of the Ah-1g Helicopter to Determine the Area of Inadequate Directional Control Power at 8100 Pounds Gross Weight by : John R. Melton
Download or read book Engineering Flight Test of the Ah-1g Helicopter to Determine the Area of Inadequate Directional Control Power at 8100 Pounds Gross Weight written by John R. Melton and published by . This book was released on 1968 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: The test was conducted at Grand Prairie Municipal Airport near Fort Worth, Texas, from 4 August 1967 to 12 August 1967 by the US Army Aviation Test Activity (USAAVNTA). Paced in-ground-effect (IGE) flight, hovering in winds, approaches to a spot, and arrestment of turn rates at various wind azimuths were investigated.
Book Synopsis Engineering Flight Test of the Ah-1g Helicopter (hueycobra). Phase B by : John R. Melton
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 1968 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part 1 of the AH-1G helicopter Phase B test was conducted at Ft Hood, Texas by the US Army Aviation Test Activity, Edwards AFB, California. The helicopter flying qualities were evaluated throughout the aircraft speed range for the Scout and Hog configurations at a mid-center-of-gravity location. Flying qualities were also evaluated during weapons firing and external stores jettison. The primary deficiencies detected during this test were stability and Control augmentation system (SCAS)-pylon coupling, inadequate in-ground-effect (IGE) directional control power, undue pilot attention required to avoid exceeding the torque limits of the helicopter transmission in dives and left rolls with fixed collective, and an inadequate, illogical fire control system. Other shortcomings were detected, such as airspeed system errors, degradation of flying qualities with SCAS off, static lateral cyclic control force imbalance, and marginal cockpit ventilation. Helicopter reactions to weapons firing and external stores jettison were satisfactory, and the contractor approved flight envelope for firing and jettison was acceptable.
Book Synopsis Engineering Flight Test AH-1G Helicopter (Hueycobra). Phase D. Airworthiness and Flight Characteristics. Part 2. Performance, Addendum by : Rodger L. Finnestead
Download or read book Engineering Flight Test AH-1G Helicopter (Hueycobra). Phase D. Airworthiness and Flight Characteristics. Part 2. Performance, Addendum written by Rodger L. Finnestead and published by . This book was released on 1971 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: This addendum to the performance report presents the results of turning performance, in-ground-effect (IGE) level acceleration and deceleration performance and dive recovery tests. These three tests were conducted to validate portions of the AH-1G operator's manual (TM 55-1520-221-10) and enhance the knowledte of interested government agencies as to the limitations and capabilities of the AH-1G helicopter. Three major limitations were encountered during testing that restricted the pilot from achieving maximum performance: level acceleration and deceleration performance IGE is limited by extreme pitch attitudes; level deceleration performance is limited by the pilot's ability to maintain rotor speed below the maximum limit (339 rpm); the cyclic control feedback limits aircraft turning and dive recovery performance at heavy gross weight and/or when high load factors are encountered. (Author).
