spring thrust
41Constant speed propeller — Cutaway constant speed propeller hub …
42arch — arch1 /ahrch/, n. 1. Archit. a. a curved masonry construction for spanning an opening, consisting of a number of wedgelike stones, bricks, or the like, set with the narrower side toward the opening in such a way that forces on the arch are… …
43Mikoyan MiG-29 — MiG 29 redirects here. For other uses, see MiG 29 (disambiguation). MiG 29 …
44Christianity — /kris chee an i tee/, n., pl. Christianities. 1. the Christian religion, including the Catholic, Protestant, and Eastern Orthodox churches. 2. Christian beliefs or practices; Christian quality or character: Christianity mixed with pagan elements; …
45McDonnell Douglas F-4 Phantom II — F 4 redirects here. For other uses, see F4 (disambiguation). F 4 Phantom II An F 4B Phantom II of Marine fighter attack squadron VMFA 314, the Black …
46Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …
47Wing Chun — A wing chun front kick (right) against a turning kick. This illustrates the principles of centerline and simultaneous attack and defence. Also known as Wing Tsun, Ving Tsun Focus Striking, Trapping …
48Military history of the United Kingdom during World War II — Periods and eras in English history Anglo Saxon period (927–1066) Norman period …
49Chevrolet Impala — 1958 Chevrolet Impala Coupe Manufacturer Chevrolet Division of General Motors Production …
50Optimus Primal — is a fictional character from the Transformers toyline, and the leader of the Maximal forces and the main protagonist in the Beast Wars television series. He is sometimes called Optimal Optimus. The name Optimus Primal was given to Optimus Prime… …
