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  • The effects of stability of spin-recovery tail parachutes on the behavior of airplanes in gliding flight and in spins

    by Scher, Stanley H, Draper, John View on archive.org • 69 pages • snippets in situ
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    …. Scher and John W. Draper
    STOMARY
    In several instances during level-flight check tests of the operation of tail spin-recovery parachute equipment…
    … whether a stable parachute could be safely towed behind an airplane in flight and also whether it would be effective as a spin-recovery device, the National… parachute of the size estimated as required for spin recovery was opened from a model in gliding flight, the model performed extremely violent pitching…
  • Development and Testing of a Drogue Parachute System for X-37 ALTV/B-52H Separation

    by Whitmore, Stephen A., Cobleigh, Brent R., Jacobson, Steven R., Jensen, Steven C., Hennings, Elsa J View on archive.org • 33 pages • snippets in situ
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    …42nd AIAA Aerospace Sciences Meeting and Exhibit Reno, Nevada 5-8 Jan. 2004
    AIAA-2004-0873
    DEVELOPMENT AND TESTING OF A DROGUE PARACHUTE SYSTEM FOR X…
    … is the prelaunch deployment of a drogue parachute that is released after the X-37 ALTV has safely cleared the B-52H. After release, a fully-inflated drogue parachute … collapse mechanism consisting of an elastic reefing line attached to the parachute skirt was developed. At flight loads the elastic is stretched, allowing…
  • Mars Smart Lander Parachute Simulation Model

    by Queen, Eric M., Raiszadeh, Be View on archive.org • 6 pages • snippets in situ
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    …<&
    AKAA
    AIAA 2002-4617 Mars Smart Lander Parachute Simulation Model
    Eric M. Queen and Ben Raiszadeh
    NASA Langley Research Center Hampton, VA 23681…
    …, 20191-4344.
    AIAA 2001-4617
    MARS SMART LANDER PARACHUTE SIMULATION MODEL
    Eric M. Queen* and Ben Raiszadeh+ NASA Langley Research Center, Hampton, VA-23681…
    … on each of the connecting lines. Other issues such as recontact with jettisoned elements (heat shield, back shield, parachute mortar covers, etc.), design…
  • Wind Tunnel Testing of Various Disk-Gap-Band Parachutes

    by Cruz, Juan R., Mineck, Raymond E., Keller, Donald F., Bobskill, Maria V View on archive.org • 17 pages • snippets in situ
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    …. Keller,* and Maria V. Bobskill^
    NASA Langley Research Center
    Hampton, Virginia
    Abstract
    Two Disk-Gap-Band model parachute designs were tested in the NASA…
    … at various subsonic Mach numbers in support of the Mars Exploration Rover mission. The two model parachute designs were designated 1.6 Viking and MPF. These model parachute designs were chosen to investigate the tradeoff between drag and static stability. Each of the parachute designs was tested with models…
  • Comparison of tail and wing-tip spin-recovery parachutes as determined by tests in the Langley 20-foot free-spinning tunnel

    by Langley Aeronautical Laboratory View on archive.org • 68 pages • snippets in situ
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    … in the spin than when they were attached to the tail. The diameter of the outer wing-tip parachute required for a 2-turn recovery by parachute action alone… … for recovery, the parachute diameters required were of the same order as for tail parachutes. The diameter of the tail parachute required for a 2-turn recovery by parachute action alone varied from 6.5 to 12.5 feet for the airplane designs
    used.
    INTRODUCTION
    In order to obtain data for a correlation between model…
  • An analysis of personnel parachutes for use by Marine Corps Force reconnaissance units

    by Robert Joseph McLaughlin Published in 1977 • 260 pages • snippets in situ
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    … to adopt a free-fall parachute, especially for Force Reconnaissance units, where the emphasis is on achieving an assigned mission for the Force Commander… … community and to develop a model for selecting the most cost-effective free-fall parachute for use in the Marine Corps.
    DD
    1 JAN 73 1473
    (Page 1)
    EDITION…
    … Corps to adopt a free-fall parachute, especially for Force Reconnaissance units, where the emphasis is on achieving an assigned mission for the Force…
  • FM 10-33 Airborne Division Quartermaster Air Equipment Support Company

    by Department of the Army View on archive.org • 104 pages • snippets in situ
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    … and technical supervision of company activities in support of division elements, however, rests with the division parachute officer who serves on the special… …-407) packages, temporarily stores, and rigs supplies and equipment designated for delivery by parachute drop or free drop. In addition, it assists in the recovery… … the Quartermaster Field Maintenance and Service Company (TOE 10-448). This company contains a parachute packing and maintenance section that supplies and performs…
  • Opening Loads Analyses for Various Disk-Gap-Band Parachutes

    by Cruz, J. R., Kandis, M., Witkowski, A View on archive.org • 18 pages • snippets in situ
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    … of these tests was to structurally qualify the parachute for the Mars Exploration Rover mission. A key requirement of all tests was that peak parachute load had… …^ constrained vent area
    CflS parachute drag area
    Aerospace Engineer, Juan.R.Cruz@nasa.gov ^Analytical Engineer, mkandis@pioneer.zodiac.com *Engineering Program…
    … protection in the United States.
    Do
    Dy,c Da
    Hr.
    ma m„
    q
    leff
    s,
    So t
    hnf
    V
    V.
    eff
    V^
    parachute steady-state drag coefficient for a fully
    inflated parachute
  • DIN EN 12491: Paragliders equipment - Emergency parachutes - Safety requirements and test methods

    by Deutsches Institut für Normung (DIN) View on archive.org • 18 pages • snippets in situ
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    Paragliding equipment-Emergency parachutes
    Safety requirements and test methods
    Equipement pour la parapente - Ausriistung fur das Gleitschirmfliegen
    Parachute
    … that the complete system of harness and emergency parachute should have no untested compo-
    § nents, it has been determined that the interface shall be the two…
    …, the pilot is supported in a *i harness connected to the wing [EN 926-1]
    t
    3 emergency parachute
    S an emergency device intended to slow the descent…
  • Entry, Descent, and Landing Technology Concept Trade Study for Increasing Payload Mass to the Surface of Mars

    by Cruz, Juan R., Cianciolo, Alicia D., Powell, Richard W., Simonsen, Lisa C., Tolson, Robert H View on archive.org • 9 pages • snippets in situ
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    AGL Above Ground Level
    DGB Disk-Gap-Band (parachute type)
    EDL Entry, Descent, and Landing
    MOLA Mars Orbiter Laser Altimeter
    NASA National Aeronautics…
    … in the optimization for all concepts. Additional concept-specific constraints were also applied. For example, in concepts using supersonic DGB parachutes, the parachute … of design variables, including quantities such as those that governed the entry guidance, parachute size, and terminal descent fuel consumption. Various…
  • Airdrop of Supplies and Equipment: Reference Data for Airdrop Platform Loads

    by Department of the Army View on archive.org • 212 pages • snippets in situ
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    …, Nylon, Parachute Packs 1-2
    Table 1-5. Cloth, Muslin, Cotton 1-2
    Table 1-6. Cloth, Muslin, Cotton (Parachute Canopy) 1-2
    Table 1-7. Cloth, Nylon Parachute Cargo 1-3
    Table 1-8. Cloth, Parachute, Nylon, Cargo, and Deceleration 1-3
    Table 1-9. Cloth, Parachute, Nylon 1-3
    Table 1-10. Cloth Sateen, Cotton 1…
    … 1-17. Grommet, Metallic 1-6
    Table 1-18. Lumber 1-10
    Table 1-19. Nails 1-12
    Table 1-20. Parachute, Cargo 1-14
    Table 1-21. Parachute, Cargo Extraction…
  • ARIM-1: The Atmospheric Refractive Index Measurements Sounding Rocket Mission

    by NON View on archive.org • 142 pages • snippets in situ
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    …, temperature and Humidity 12
    2.3.5 Pressure, temperature and Humidity Signal Conditioning. 13
    2.4 Science Mission specifications 13
    2.4.1 Rocket and Parachute 13…
    …/Deck Assembly 30
    4.8.4 THERMOSONDE BOOMS AND DEPLOYMENT MECHANISM 32
    5. RECOVERY SYSTEM 34
    5.1 objective 34
    5.2 design criteria 34 53 drogue parachute design 35 5.4 Main Parachute Design 40 5j locator devices 43
    5.5.1 Radio Beacon 43
    5.5.2 Transponder 45
    5.6 Parachute Recovery System 45
    5.6.1 Parachute Deployment…
  • Enemy Air-Borne Forces

    by U.S. War Department View on archive.org • 110 pages • snippets in situ
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    2. The History of the Parachute 2
    3. Air-Borne Pioneering 3
    4. Progress after World War I 4
    5. The Technique of Gliding 5
    SccHon II. AIR…
    … Attack, May 20-2B 13
    c. Landing of Glider-Borne and Parachute Troops 13
    d. Exploitation by Air-Landing Troops, May 23-31 .... 13
    11. Other Uses…
    … East
    Indies 14
    14. The Japanese Operation at Koepang, Island of Timor ... 16
    Section III. GERMAN PARACHUTE TROOPS
    15. Historical Note 18
    16…
  • An Investigation of Terminal Guidance and Control Techniques for a Robotic Mars Lander

    by Birge, Brian K., Walberg, Geral View on archive.org • 34 pages • snippets in situ
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    … conditions at parachute jettison
    ♦ also saves all trajectories for each batch run in a single 3-dim variable
    ♦ This showed that using a constant bank angle…
    … a limited set of initial conditions and a hands on approach to initial guess choice, results for tlie hover and lifting parachute cases improved dramatically… … to a specified location on tlie Mars surface. This study considers a set of points from parachute handoflf to touchdown on the surface. The first scenario…
  • AIRDROP OF SUPPLIES AND EQUIPMENT: RIGGING AIRDROP PLATFORMS

    by Department of the Army View on archive.org • 176 pages • snippets in situ
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    Parachute 5-18
    Restraining Two to Eight Parachutes 5-19
    Chapter 6 EXTRACTION SYSTEM 6-1
    Section l-General Information 6-1
    Use 6-1
    Components 6-1
    Operation 6…

    Chapter 7
    Chapter 8
    Chapter 9
    Chapter 10
    EXTRACTION PARACHUTE JETTISON SYSTEM (EPJS) 7-1
    Section l-General Information 7-1
    Use
    7-1
    Description 7…
    ….
    8-
    Description 8-
    Inspection and Maintenance 8-
    Operation 8-
    Section ll-Rigging Information 8-4
    M-1 Cargo Parachute Release 8-4
    M-2 Cargo Parachute
  • An investigation of cotton for parachute cloth

    by Appel, Wm D, Worner, R View on archive.org • 22 pages • snippets in situ
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    … FOR PARACHUTE CLOTH
    By TSr'n. P, Appel and S. K, Worner Sureau o£ Standards
    FILr: CC
    .=-v^«-,^^
    il'JjiUififnrnpd to the files of thfi{_angfey Memorial…
    … AERONAUTICS
    TECHNICAL NOTE NO. 393
    AN INVESTIGATION OF COTTON EOR PARACHUTE CLOTH By Wm, D. Appel and-R, K, Woi-ner
    Suinmary •
    This is a resume of- the work of the Bureau of Standards on a cotton parachute cloth for use as a substitute for silk iii' the' event of an emergency curtailing the supply, Cottoa yarn…
  • The structure and properties of parachute cloths

    by Mcnicholas, H J, Hedrick, View on archive.org • 35 pages • snippets in situ
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    … OF PARACHUTE CLOTHS
    By H. J* McSicholas and A* F. Hediick E-uxeau of Standards
    Washington.
    M ic be returned to %.
    j ' the files of thoLangley…
    …) Recovery under flexure 14
    4. Air permeability 17
    "V. Discussion. Specifications for parachute cloth ,20
    References 25 NATIONAL ADVISORY COMlilTTEE FOR ASRONAUTIOS.
    TEOHKICAL ITOTE IfO. 335.
    THE STRUCTURE AND PR0PSRTI3S OF PARACHUTE CLOTHS. By H. J, 2:icNic]iolas and. A. F, Hedrick…
  • Multibody Parachute Flight Simulations for Planetary Entry Trajectories Using ''Equilibrium Points''

    by Raiszadeh, Be View on archive.org • 13 pages • snippets in situ
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    …Paper AAS 03-163
    (SlJUJkA
    Americ^stronautical Society *merica" lnstit"'e °f t.
    7 " Aeronautics and Astronautics
    Multibody Parachute Flight…
    … trajectories. Typical parachute entry configurations consist of entry bodies suspended from a parachute, connected by flexible lines. To accurately calculate… parachute flight simulations, the confluence point has been modeled as a point mass. Using a point mass for the confluence point tends to make the simulation…
  • Silk Chutes and Hard Fighting: U.S. Marine Corps Parachute Units in World War II

    by Marine Corps Historical Center View on archive.org • 50 pages • snippets in situ
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    …SILK CHUTES AND HARD FIGHTING: U.S. MARINE CORPS PARACHUTE UNITS
    IN WORLD WAR II
    HISTORY AND MUSEUMS DIVISION HEADQUARTERS, U.S. MARINE CORPS WASHINGTON, DC.
    COVER: Marines of the fledgling 1st Parachute Battalion land near Fredericksburg, Virginia, following a tactical jump in fuly 1941…
    … Fighting: U.S. Marine Corps Parachute Units
    in World War II
    by
    Lieutenant Colonel Jon T. Hoffman
    U.S. Marine Corps Reserve
    HISTORY AND MUSEUMS DIVISION…
  • AIRDROP OF SUPPLIES AND EQUIPMENT: RIGGING CONTAINERS

    by Department of the Army View on archive.org • 216 pages • snippets in situ
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    … of Container Loads 1-1
    Types of Airdrop 1-2
    Commonly Used Items 1-3
    Parachute Requirements 1-4
    DataTag for Rigged Loads 1-4
    Computation of Minimum Weight…
    … Assembly 3-1
    Weight Limits 3-2
    A-7A Container Loads 3-2
    Parachutes for A-7A Loads 3-2
    Modifying theT-10 Parachute 3-17
    Chapter 4 Rigging Typical A-7A…
    …-2
    Installing Parachute 4-5
    Marking Rigged Load 4-5
    Equipment Required 4-5
    Section II Low-Velocity Airdrop from Ramp
    Description of Load 4-7
    Preparing Skid Board…