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Tank Tests of a 1/7-Size Dynamic Model of the Grumman Xjr2f-1 Amphibian to Determine the Effect of Slotted- And Split-Type Flaps on Take-Off Stability
Paperback. BiblioGov 2013-07-31.
ISBN 9781287263296
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Förlagets beskrivning
Additional tests of a 1/7-size model of the Grumman XJR2F-1 amphibian were made in Langley tank no. 1 to compare the behavior during take-off of the model equipped with split- and slotted-type flaps. The slotted flag had a large effect on locating the forward center-of-gravity limits for stable take-offs. Stable take-offs within the normal operating range of positions of the center of gravity could be made with the split flaps deflected 45deg or with the slotted flaps deflected less than 20deg. At flap deflections required for similar take-off stability, the use of split-flaps resulted lower take-off speeds than the use of slotted flaps. An increase in forward acceleration from 1.1 to 4.8 feet per second per second moved the center-of-gravity limit forward approximately 3-percent mean aerodynamic chord
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Tank Tests of a 1/7-Size Dynamic Model of the Grumman Xjr2f-1 Amphibian to Determine the Effect of Slotted- And Split-Type Flaps on Take-Off Stability
Bokrecensioner » Tank Tests of a 1/7-Size Dynamic Model of the Grumman Xjr2f-1 Amphibian to Determine the Effect of Slotted- And Split-Type Flaps on Take-Off Stability
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