forward speed effect
31Early flight — This article is a listing of primarily pre 20th century flying machines and work, and an analysis of the debates over early flying machines. The goal is to examine the properties of flying machines, and to list the claims to allow a proper… …
32Ramjet — A ramjet, sometimes referred to as a stovepipe jet, or an athodyd, is a form of jet engine that contains no major moving parts. Unlike most other airbreathing jet engines, ramjets have no rotary compressor at the inlet, instead, the forward… …
33Platform game — This article is about the computer and video game genre. For platformer units in petroleum refining, see Catalytic reforming …
34Antonov An-2 — An 2R on skis allowing for operations in the snow Role Agricultural …
35Airbreathing jet engine — An airbreathing jet engine (or ducted jet engine) is a jet engine propelled by a jet of hot exhaust gases formed from air that is drawn into the engine via an inlet duct. All practical airbreathing jet engines are internal combustion engines that …
36Tornado — This article is about the weather phenomenon. For other uses, see Tornado (disambiguation). For the current tornado season, see Tornadoes of 2011 …
37Countersteering — For the similar technique used in automobiles, see Opposite lock. Graphs showing the lean and steer angle response of an otherwise uncontrolled typical bike, traveling at a forward speed in its stable range (in this case 6 m/s), to a steer torque …
38Coaxial rotors — Kamov Ka 32A 12 Coaxial rotors are a pair of helicopter rotors mounted one above the other on concentric shafts, with the same axis of rotation, but that turn in opposite directions (contra rotation). This configuration is a feature of… …
39Tiltrotor — The Bell Boeing V 22 Osprey …
40Rolling resistance — Figure 1  Hard wheel rolling on and deforming a soft surface, resulting in the reaction force from the surface having a component that opposes the motion. Rolling resistance, sometimes called rolling friction or rolling drag, is the… …
