Download or read book An Investigation of the Applicability of High Altitude Lighter Than Air LTA Vehicles to the Tactical Communications Relay Problem written by Andrew S. Carten (Jr.) and published by . This book was released on 1974 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Investigation of the Applicability of High Altitude Lighter Than Air LTA Vehicles to the Tactical Communications Relay Problem written by Andrew S. Carten (Jr.) and published by . This book was released on 1974 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The various types of large balloon systems in use today, or under development, are examined with regard to potential use in the SEEK STAR multi- mode transmission system. Tethered balloons are shown to satisfy many communications applications, but to lack the altitude capability needed by SEEK STAR. The powered free balloon is seen to offer the best potential. The AFCRL powered balloon system, POBAL, is described and test results are presented. Its successor system, POBAL-S, is also described and evaluated. The demise of the POBAL-S development at AFCRL and the reappearance of the concept under the Navy's HASPA program is discussed and the applicability of HASPA to the SEEK STAR mission is evaluated. It is shown that, although the HASPA can theoretically satisfy or exceed all SEEK STAR needs, a delay of about three years must be endured before definitive results are available. Free-flying (that is, unpowered) balloon systems, both zero-pressure and superpressure, are evaluated and the advantages of the ground-launched and air-launched systems are pointed out. A status report on the Air-Launched Balloon System (ALBS) development is given.

Download or read book Flight Tests of the Air Launched Balloon System ALBS Prototype Model written by Andrew S. Carten (Jr.) and published by . This book was released on 1978 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The requirements for the Air Launched Balloon System (ALBS) development program and the highlights of that program, prior to the flight test phase, are presented. The rationale behind an ambitious ALBS parachute subsystem test flight series, using C-130 aircraft, at the National Parachute Test Range is given, along with the initial system configuration chosen for that series. The test-demonstrated inadequacy of the 32-ft drogue chute is documented. The successes achieved subsequently in flights with a 28-ft drogue chute (in combination with the 42-ft main chute) are described, both for tests employing a dummy balloon and for later tests in which a real balloon was used. Attempts at partial balloon inflation at the NPTR are discussed. The unsolved parachute coning problem is also described, along with tests aimed at its solution. Planning and preflight preparations for the January 1978 balloon drop test over the White Sands Missile Range are covered in considerable detail. The abortive launch of that flight is related and an analysis of the reasons for the flight failure is presented. Five (5) appendices are included with supporting calculations.

Download or read book Instrumentation Papers written by and published by . This book was released on with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Instrumentation for Geophysics and Astrophysics written by and published by . This book was released on 1958 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Report on Research at AFCRL written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1974 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Technical Information Indexes written by United States. Naval Air Systems Command and published by . This book was released on 1976 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1975 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Determination of Constant volume Balloon Capabilities for Aeronautical Research written by Frank B. Tatom and published by . This book was released on 1977 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Contractor Report written by and published by . This book was released on 1977 with total page 910 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book DESAP 2 written by Jaan Kiusalaas and published by . This book was released on 1977 with total page 1392 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book R D Abstracts written by Technology Reports Centre (Great Britain) and published by . This book was released on 1975 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Annual Index written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Announcements written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Meteorological and Geoastrophysical Abstracts written by and published by . This book was released on 1975 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Announcements Index written by and published by . This book was released on 1975 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Catalog of the United States Geological Survey Library written by U.S. Geological Survey Library and published by . This book was released on 1976 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: