propeller racing

См. также в других словарях:

• Supercavitation propeller — The supercavitation propeller is a variant of a propeller for propulsion in water, where cavitation (formation of water vapour) is actively employed to gain increased speed by reduced friction. This article distinguishes a supercavitation… …   Wikipedia

• Performance Handicap Racing Fleet — (PHRF) is a handicapping system used in yacht racing. It allows dissimilar classes of sailboats to be raced against each other. The aim is to cancel out the inherent advantages and disadvantages of each class of boats, so that results reflect… …   Wikipedia

• Offshore Racing Congress — The Offshore Racing Congress (ORC) is an international body for the sport of competitive sailing and is responsible for the establishment and maintenance of rating and classification standards used to define offshore, that is marine as opposed to …   Wikipedia

• Chopper (propeller) — A chopper is a propeller design especially used for fast boats or boat racing. It can cope with breaking through the water surface without losing its thrust. This provides the facility to mount the motor higher, which commonly increases speed.… …   Wikipedia

• Cleaver (propeller) — A Cleaver is a type of propeller design especially used for boat racing. Its leading edge is formed round, while the trailing edge is cut straight. It provides little bow lift, so that it can be used on boats that don t need much bow lift, for… …   Wikipedia

• Jet sprint boat racing — is a form of racing sport in which speed boats, usually carrying a crew of two, powered by water jet propulsion rather than by conventional propellers, race around watercourses consisting of a number of interconnected channels 3 to 5 meters wide… …   Wikipedia

• Model aircraft — A die cast Boeing 747 400 model. Model aircraft are flying or non flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass. Flying designs range… …   Wikipedia

• Class 1 World Powerboat Championship — Category Catamaran Twin engined Country or region Worldwide Inaugural season 1964 Drivers 22 (two per boat/driver throttleman) …   Wikipedia

• Bell P-39 Airacobra — P 39 Airacobra P 39Q 1BE 42 19447, Saga Boy II of Lt. Col. Edwin S. Chickering, CO 357th Fighter Group, July 1943 Role Fighter …   Wikipedia

• military aircraft — Introduction       any type of aircraft that has been adapted for military use.       Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… …   Universalium

• Control line — Brodak Control Line Aerobatic Strega in flight Control line (also called U Control ) is a simple and light way of controlling a flying model aircraft. The aircraft is connected to the operator by a pair of lines, attached to a handle, that work… …   Wikipedia