Air Scoop. A scoop through which air is taken into the ballonnets of a balloon or an airship by wind pressure.
This is a picture of the carburetor hot air scoop on a Beta II. This is a much better design than on the O320 R22s in my opinion. It is easier to inspect, and is not in close proximity to any oil lines.
Moist air between 15-32 F on air scoops throttle plates
Worst at 25F
Fuel Ice
Forms throughout when moist air freezes through vaporization
Usually between 40 and 80 degrees F and relative humidity over 50% ...
 See also: Fuel tank, Flight, Section, Maintain, Bearing
  
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