Helicopter power available to hover indicator
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United States of America Patent
Stats
-
Apr 5, 1988
Issued Date -
N/A
app pub date -
Feb 5, 1986
filing date -
May 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The power required for a helicopter to hover is generated (14, 82) as the ratio of current operating power in forward flight (12, 77) determined (10, 73) from data relating operating power in forward flight to power required for hover for the aircraft. The power required to hover is compared (18, 83) with the maximum power available developed (16, FIG. 2; FIG. 3) by an engine model algorithm utilizing actual engine parameters. The comparison of maximum power to power required for hover is utilized to provide an indication (22) to the pilot. The viability of the indication is indicated by a 'ready' indication (26).
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