Fixed leading edge slat spoiler for a horizontal stabilizer

Details Fixed leading edge slat spoiler for a horizontal stabilizer Fixed leading edge slat spoiler for a horizontal stabilizer

1978-05-11

1980-10-14

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 1711, 244213, B64C 2102

Patent

active

042276659

ABSTRACT:
A horizontal stabilizer structure for improved stabilizer performance at positive and negative angles of attack is disclosed in which a leading edge slat/spoiler extending lengthwise along the stabilizer is disposed forward and below the leading edge of the stabilizer. The leading edge slat/spoiler directs airflow along the under surface of the stabilizer at negative attack angles and disrupts airflow over the upper surface at positive attack angles.

REFERENCES:
patent: 2018546 (1935-10-01), Clark
patent: 2464663 (1949-03-01), Zingg
patent: 3448946 (1969-06-01), Nagatsu
patent: 3575363 (1971-04-01), Jenny et al.
Hoerner, "Fluid Dynamic Lift", 1975-Chapter VI, Leading Edge High-Lift Devices.

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