axis of roll
81Tait-Bryan rotations — The Tait Bryan rotations, named after Peter Guthrie Tait and George Bryan. are three elemental rotations about each one of the principal axes of a body (but not necessarily the principal axes of inertia). For a craft moving in the positive x… …
82Dihedral (aircraft) — For other uses, see Dihedral. The upward tilt of the wings and tailplane of an aircraft, as seen on this Boeing 737, is called dihedral angle Dihedral angle is the upward angle from horizontal of the wings or tailplane of a fixed wing aircraft.… …
83Turn coordinator — The turn coordinator is an aircraft instrument which displays to a pilot information about the rate of yaw (turn), rate of roll, and the quality or coordination of the turn. The turn coordinator was developed to replace the older turn and bank… …
84Stability derivatives — are a means of linearising the equations of motion of an atmospheric flight vehicle so that conventional control engineering methods may be applied to assess their stability.The dynamics of atmospheric flight vehicles is potentially very… …
85ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
86Saturn V Instrument Unit — The Saturn V Instrument Unit is a ring shaped structure fitted to the top of the Saturn V rocket s third stage (S IVB) and the Saturn IB s second stage (S IVB). It was immediately below the SLA (Spacecraft/Lunar Module Adapter) panels that… …
87Flight control surfaces — Aircraft flight control surfaces allow a pilot to adjust and control the aircraft s flight attitude.Development of an effective set of flight controls was a critical advance in the development of the aircraft. Early efforts at fixed wing aircraft …
88Suspension (vehicle) — Suspension is the term given to the system of springs, shock absorbers and linkages that connects a vehicle to its wheels. Suspension systems serve a dual purpose – contributing to the car s handling and braking for good active safety and driving …
89Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
90photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
