Experimental Flights for Testing of a Reactor as an Expedient for the Termination of Dangerous Spins Page: 2 of 20
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3 1176 01437 4681
NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS
TECHNICAL MEMORANDUM 1221
EXPERIMENTAL FLIGHTS FOR TESTING OF A REACTOR AS AN
EXPEDIENT FOR THE TERMINATION OF DANGEROUS SPINS*
By P. Hhler and I. v. Kppen
In the Institute for Flight Mechanics of the DVL a reactor
arrangement with a maximum output of 100 kg was investigated
as an expedient for the termination of dangerous spins on
an airplane of the FW 56 type. The tests were meant to
reproduce the influence of a disturbance of the steady spin
condition by a pitching or yawing moment.
OUTLINE: 1i. INTRODUCTION
3. TEST METHOD
4. PERFORMANCE OF THE TESTS
a. Installations and Preliminary Tests
b. Main Tests
5. FORMULAS FOR EVALUATION
The frequency of accidents in test flights with new models, the spin
characteristics of which are unknown, calls for expedients which would
support the pilot in terminating that flight condition when dangerous
spins, not immediately terminable by control measures, occur. It is
not absolutely necessary that the spin stop completely, if only the
"Versuchefluge zur Erprobung eines Rtckstossers als Hilfsmittel zum
Beenden gefbhrlichen Trudelns." Zentrale fur wissenschaftliches Berichtswesen
bei der Deutschen Versuchsanstalt fir Luftfahrt, E. V., Berlin-Adlershof,
Forschungsbericht Nr. 1027, February 25, 1939.
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Hoehler, P. & Koeppen, I. v. Experimental Flights for Testing of a Reactor as an Expedient for the Termination of Dangerous Spins, report, July 1, 1949; (digital.library.unt.edu/ark:/67531/metadc64981/m1/2/: accessed November 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.