Ice And Rain Protection Flashcards
What percentage reduction do you get of lift if you get a layer of hore frost on the wing?
30%
What 2 things can be used to detect if ice is still built up?
Vibrating rod and electrical ice detector.
What uses pressure to detect ice ormation?
Pressure opporated head,
What does a pneumatic boot do?
Break ice.
What is the thickness of ice range for a pneumatic boot?
0.5 - 1.5cm
What is isopropyl alcahol used for?
De-icing.
How do jet transport aircraft thermally melt the ice?
Using bleed air.
Turbine engines circulate blank blank blank to prevent ice forming on intake lips and supporting struts.
Hot engine oil.
What does it mean if your windshield heating fails?
You will have a lower max speed.
How many cycles per minute are seen with windscreen wipers in a fast setting ?
120
How many cycles per minute are seen with windscreen wipers in a slow setting?
80.
What best describes a Rosemount Ice Detector System…
Vibrating
When there is a pressure difference between the two sides of a pressure-operated ice detector, the…heater in the probe melts the ice in the smaller/larger holes first.
Smaller
When there is a pressure difference between the two sides of a pressure-operated ice detector, the…heater in the probe melts the ice in the smaller/larger holes first.
Smaller
Power for windscreen heating is usually… (single/3 phase) (DC/AC)
3 phase AC
