For Students
helicopter: Related Content
Photos and Videos
Related Topics and References
Topics
Doblhoff WNF 342Jet RangerJetRanger IIILittle Henrypitch controlpropellercollective pitch controlcyclic pitch controlcompound helicopteraviationshipautomobilemilitary aircraftsubmarineairplaneair-cushion machinebicycletruckkitemotorcycle
Dig Deeper: More Articles That Discuss This Topic
Key People

Igor Sikorsky
American engineer

Dick Smith
Australian aviator and businessman

Charles Wilfred Butler
American industrial designer

Hanna Reitsch
German aviator

Aleksandr Sergeyevich Yakovlev
Soviet aircraft designer

Paul Cornu
French engineer
Related Quizzes and Features
Quiz
List