propeller shrouding
1shrouding — noun ( s) : the shrouds on a water wheel, gear wheel, fan wheel, or propeller …
2Kort nozzle — The Kort nozzle is a shrouded, ducted propeller assembly for marine propulsion. The hydrodynamic design of the shroud, which is shaped like a foil, offers advantages for certain conditions over bare propellers.Kort nozzles or ducted propellers… …
3H class battleship (1944) — The H 44 class was the ultimate evolution of a series of battleship design studies, derived by the Third Reich s Kriegsmarine as an outgrowth of the H Class battleship program.The H 39 designThe H Class ships saw their design finalized by 1939,… …
4Boulton & Paul Partridge — Partridge Role Single seat fighter National origin United Kingdom Manufacturer Boulton Paul Ltd Designer John North First flight early 1928 Number built 1 …
