14 October 2007
Fascinating Compound Helicopter Concept
The blades are contained within a circular wing, and extend for vertical takeoff, and retract for forward flight. There are some stability issues with a circular wing, but this has promise.
The source for this is one George Vranek of Switzerland, though Stephen Trimble mentions something a very similar Boeing concept.
The source for this is one George Vranek of Switzerland, though Stephen Trimble mentions something a very similar Boeing concept.
Labels:
Aviation
,
Helicopters
,
technology
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