droop

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Related to droops: Drupes

droop

The deviation from a preset value of a controlled liquid level, temperature, variable pressure, or differential pressure (at minimum controllable flow) when the flow through a regulator is gradually increased from its minimum controllable flow to its rated capacity.

droop

droop
droop
i. A downward curvature of the leading edge of an airfoil to provide increased camber.
ii. A progressive decrease in RPM that occurs when a fuel control flyweight governor spring is extended and made weaker. It takes less flyweight force to come to an equilibrium with the weaker spring force and consequently a lower RPM will result.
iii. The inability of the engine power to increase as the rotor pitch is increased, causing the rotor to slow down.
References in periodicals archive ?
You'll have a tailwind until you're over the deck, and you'll probably droop a little when you kick the nose around.
When a saintpaulia (African violet) droops, leaves break off, and the plant struggles to survive, there are two probable reasons ( one bad, the other worse.
It stands 10 to 12 feet tall, but droops with the weight of the flower, which is no larger than an apple.
The eye controlled by the sleeping hemisphere droops shut, while the wakeful hemisphere's eye stays open and vigilant.