wind tunnel speed
121Lippisch P.13a — Infobox Aircraft name=Lippisch P.13a type= manufacturer= caption= designer= first flight= introduced= retired= status=Project primary user= more users= produced= number built=1 unit cost= developed from= Lippisch DM 1 variants with their own… …
122General Dynamics F-16XL — infobox Aircraft name= F 16XL type= Experimental fighter manufacturer= General Dynamics caption= F 16XL in flight designer= first flight= introduced= retired= primary user= United States Air Force more users= NASA number built= 2 status= unit… …
123Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
124Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …
125Galloping Gertie — This article is about the first Tacoma Narrows Bridge, which collapsed in 1940. For the article on the current bridge, see Tacoma Narrows Bridge. Infobox Bridge bridge name = Tacoma Narrows Bridge (Galloping Gertie) caption = The first Tacoma… …
126P-63 Kingcobra — infobox Aircraft name = P 63 Kingcobra type =Fighter manufacturer =Bell Aircraft Corporation caption = designer = first flight =7 December avyear|1942 introduced = October avyear|1943 retired = status =retired primary user =United States Army Air …
127Bereznyak-Isayev BI-1 — infobox Aircraft name =Bereznyak Isayev 1 type =Fighter manufacturer =OKB 293 caption =The BI 1 designer =A.Y.Bereznyak and A.M.Isayev first flight =15 May 1942 retired =9 March 1945 primary user =Soviet Air Force number built =9Soviet research… …
128Tacoma Narrows Bridge (1940) — This article is about the first Tacoma Narrows Bridge, which collapsed in 1940. For the article on the current bridges, see Tacoma Narrows Bridge. Tacoma Narrows Bridge The original Tacoma Narrows Bridge roadway twisted and vibrated violently… …
