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Propeller with blades that can be rotated to control their pitch while in use
marine propulsion, a variable-pitch propeller is a type of propeller with blades that can be rotated around their long axis to change the blade pitch
Variable-pitch propeller (marine)
Variable-pitch_propeller_(marine)
Propeller with blades that can be rotated to control their pitch while in use
aeronautics, a variable-pitch propeller is a type of propeller (airscrew) with blades that can be rotated around their long axis to change the blade pitch. A controllable-pitch
Variable-pitch propeller (aeronautics)
Variable-pitch_propeller_(aeronautics)
Topics referred to by the same term
Variable-pitch propeller can refer to: Variable-pitch propeller (marine) Variable-pitch propeller (aeronautics) This disambiguation page lists articles
Variable-pitch_propeller
Device that transmits rotational power into linear thrust on a fluid
axis. Other types of marine propellers include controllable pitch, variable pitch, self pitching, and vertical axis propellers. The principle employed
Propeller
Aircraft propulsion component
The blade pitch may be fixed, manually variable to a few set positions, or of the automatically variable "constant-speed" type. The propeller attaches
Propeller_(aeronautics)
Topics referred to by the same term
Wii Variable-pitch propellers (marine) Beta-propeller, a protein fold This disambiguation page lists articles associated with the title Propeller. If
Propeller_(disambiguation)
Propeller with blades that fold open
of which are not merely folding propellers, but are self-actuating variable-pitch propellers. On a boat, most propellers are much less effective in astern
Folding_propeller
Use of a ship's propelling mechanism to develop thrust in a retrograde direction
engine and a variable-pitch propeller, astern thrust is simply a matter of changing the propeller pitch to a negative value. Most other propeller-driven ships
Astern_propulsion
Two-propeller design for improving low-airspeed maneuverability
Aircraft equipped with contra-rotating propellers (CRP), coaxial contra-rotating propellers, or high-speed propellers, apply the maximum power of usually
Contra-rotating_propellers
Perpendicular-axis marine propulsion system
higher thrust at low speed than any other propeller design. In aircraft hover, the blades adjust to a positive pitch (sharp edge facing outward from the centre
Cyclorotor
Hydrodynamics of screw propellers
element momentum theory Propeller Variable-pitch propeller (disambiguation) Propeller (aeronautics) Ground-adjustable propeller Cavitation Deep Blue Yacht
Propeller_theory
Electric drive azimuth thruster
a trademarked azimuth thruster pod design, a marine propulsion unit consisting of a fixed pitch propeller mounted on a steerable gondola ("pod") containing
Azipod
Business manufacturing propulsion and steering systems for ships and offshore application
2012. "50 Years of Schottel Controllable Pitch Propellers". MarineLink. 25 July 2013. "Schottel CP Propeller" (PDF). Schottel. Archived from the original
Schottel_(company)
American fishing factory ship launched 1973 sunk 2008
electrical generators, and use the variable pitch to change vessel speed or reverse direction. The variable-pitch propellers used a hydraulic actuation system
FV_Alaska_Ranger
American aerospace and industrial products company
turbines. Also in the 1930s, Woodward developed a governor for variable-pitch aircraft propellers. Woodward parts were notably used in the GE engine on the
Woodward,_Inc.
Air moving arrangement
mechanical fan or propeller mounted within a cylindrical duct or shroud. Other terms include ducted propeller or shrouded propeller. When used in vertical
Ducted_fan
Commercial transport hovercraft
Kerosene JP4/TR4. Propellers: 4-bladed Hawker Siddeley and Ratier-Figeac variable pitch with reverse, 6.40 m (21 ft 0 in) diameter Propeller speed: 640 rpm
N500_Naviplane
American-built military turboprop (1954–)
2 November 2012. Smithsonian National Air and Space Museum. "Propeller, variable-pitch, 6-blade, Dowty R391". Retrieved 4 August 2020. "NOAA 'Hurricane
Allison_T56
Series of human-powered submarines
made and a new onboard computer was added to control the variable pitch from the propeller, and to give some information to the pilot as well. Omer went
Omer_(submarine)
Aircraft components manufacturer
telephones. At the same time, metal propellers come onto the scene and Ratier patents a variable pitch propeller, putting the company among the world's
Ratier
1970 class of British hovercraft
air propeller, spanning 21-foot, at the time of its introduction; manufactured by Hawker Siddeley Dynamics, this four-bladed variable-pitch propeller was
British Hovercraft Corporation BH.7
British_Hovercraft_Corporation_BH.7
Aircraft propulsion system efficient at a range of speeds higher and lower than sound's
A variable cycle engine (VCE), also referred to as adaptive cycle engine (ACE), is an aircraft jet engine that is designed to operate efficiently under
Variable_cycle_engine
Amphibious load vehicle
stores, or personnel on land and sea. Driven by its tracks or twin variable pitch propellers or both together, it can adapt to harsh environment such as mud
Aquatrack
Hovercraft built for English Channel services
and pylons, while a further four units were used to actuate the variable-pitch propellers. The control cabin of the SR.N4 resembled the flight deck of an
SR.N4
Flying boat in the US
World Airways (Pan Am) in 1931. The design featured wing flaps, variable-pitch propellers, and a full-length hull that supported the tail directly. The
Sikorsky_S-42
U.S. Coast Guard seagoing buoy tender
unrefueled range of 6,000 miles at 12 knots. Spar has a single variable-pitch propeller that is powered by two Caterpillar 3608 Diesel engines, each with
USCGC_Spar_(WLB-206)
Lighthouse tender launched in 1963
4-blade variable-pitch propeller. Cape Don was launched on 28 May 1962. In 1979, a scientific team organised by the Victorian Institute of Marine Sciences
MV_Cape_Don
Model of hovercraft
single rear-facing 9 ft (2.74 m) diameter 4-bladed Dowty Rotol variable-pitch propeller along with a 7 ft (2.13 m) diameter centrifugal lift fan. The Gnome
SR.N6
British aircraft parts manufacturer, 1935–1961
the Hamilton Standard company of America for the manufacture of variable-pitch propellers at a cost of about £20,000.[citation needed] Licence negotiations
De_Havilland_Propellers
Type of vertical-axis wind turbine
dramatically with the size of the propeller. Modern designs can compensate most tower loads of that variable speed and variable pitch. In overall comparison, while
Darrieus_wind_turbine
Topics referred to by the same term
chemical Controllable-pitch propeller, is a type of propeller used in Marine propulsion. It may also refer to a controllable-pitch propeller used in aeronautics
CPP
Family of airliners and bomber aircraft
for the next three years. In August 1933, the first practical variable-pitch propeller was introduced into airline service on a Condor II. The June 15
Curtiss_T-32_Condor_II
Turboshaft with power from independent exhaust
a turbine overspeed to destruction after losing its connection to the propeller load. (In a single-shaft arrangement with a similar gearbox failure the
Free-turbine_turboshaft
two-bladed automatic variable-pitch tractor propeller by a long metal shaft and by another shaft to a smaller marine propeller, similar to those used
Piaggio_P.7
Finnish Navy warship class
During normal operations, the ships' twin ice-strengthened controllable pitch propellers are driven by electric propulsion motors. Electrical power is generated
Pohjanmaa-class_corvette
Type of internal and continuous combustion engine
turbine with exhaust-gas regeneration, reduction gearing and a variable-pitch propeller. It operated for 9,700 hours using residual fuel (Bunker C) for
Gas-turbine_engine
US Navy amphibious assault ship
The propeller shafts can be driven at lower speeds by slowing down the electric motors. Variable drive speed is achieved with an Alstom variable frequency
USS_Makin_Island_(LHD-8)
propelled by a 611.5 kW (820.0 hp) diesel engine of MWM GmbH and variable-pitch propeller. She has a top speed of 11.5 knots (21.3 km/h) with 9.5 knots (17
RV_Bilim-2
Proportion of ducted compared to combusted air in a turbofan engine
consumption that comes with high bypass ratios applies to turboprops, using a propeller rather than a ducted fan. High bypass designs are the dominant type for
Bypass_ratio
Patrol boat of the Spanish Navy
6 in), and a beam of 10.5 meters (34 ft 5 in). It has a single variable-pitch propeller and 260-kilowatt (350 hp) bow thrusters, which are all supplied
Spanish_patrol_boat_Alborán
Cargo ship operating practice
Steamship Mutual report Answers Slow steaming guide Note that if a variable pitch propeller is fitted, slow steaming may be accomplished effectively. Liang
Slow_steaming
Ferry operated by the Alaska Marine Highway
division of General Metals Corporation. She has two four-bladed, variable-pitch propellers, and a bow thruster to improve maneuverability. Matanuska normally
MV_Matanuska
Medium-size hovercraft
diesel engines 600 horsepower for lift and propulsion Propellers: 2 three-bladed variable-pitch propellers Performance Speed 50 knots Military Lift: 12 tons
British Hovercraft Corporation AP1-88
British_Hovercraft_Corporation_AP1-88
Series of hovercraft
manufacturer MTU, which drive the craft's 2.6 metres (8 ft 6 in) variable-pitch propellers. To minimise maintenance requirements and increase durability
Griffon_Hoverwork_8000TD
seven-cylinder air-cooled radial piston engine, 350 hp (260 kW) Propellers: 2-bladed variable-pitch propeller Performance Maximum speed: 137 mph (220 km/h, 119 kn)
Naval_Aircraft_Factory_XN5N
Finnish boat electric motor manufacturer
Penta and Yanmar mounting beds. ServoProp motors – Featuring a variable pitch propeller, these saildrives optimize propulsion and hydrogeneration, allowing
Oceanvolt
Experimental military tilt-wing aircraft
T64-GE-1 turboprops, 3,080 hp (2,300 kW) each Propellers: 4-bladed Hamilton Standard variable-pitch propellers, 15.5 ft 0 in (4.72 m) diameter Performance
LTV_XC-142
Project to replace existing navy frigates
(ASWF) is a project of the Royal Netherlands Navy (RNLN, Dutch: Koninklijke Marine) and Belgian Navy to replace the existing Multipurpose- or M-frigates. The
Anti-Submarine Warfare Frigate (Royal Netherlands Navy)
Anti-Submarine_Warfare_Frigate_(Royal_Netherlands_Navy)
Machine component used to compress or contain expanding fluids in a cylinder
name 'trunk piston' derives from the 'trunk engine', an early design of marine steam engine. To make these more compact, they avoided the steam engine's
Piston
Internal combustion engine type
either tractor or pusher configuration without needing to change the propeller. These motors are compression ignition, so no ignition timing issues and
Two-stroke_engine
Type of airfoil
proprotor is a spinning airfoil that functions as both an airplane-style propeller and a helicopter-style rotor. Several proprotor-equipped convertiplanes
Proprotor
Vessel used by the Sea Shepherd Conservation Society
butyric acid onto the decks and attempting to entangle a hunting ship's propeller, two Sea Shepherd members boarded the Japanese whaling vessel Yūshin Maru
MY_Steve_Irwin
Future guided-missile frigate for the U.S. Navy
3000 kW for a total output of 12 MW electrical ship power 2 x fixed-pitch propellers 1 × auxiliary propulsion unit Thrustmasters of Texas Hydrologic Retractable
USS_Constellation_(FFG-62)
Ship that is able to navigate through ice-covered waters
motors, the gas turbines are directly coupled to the propeller shafts driving controllable pitch propellers. The diesel–electric power plant can produce up
Icebreaker
Light-weight hovercraft
diesel engine 350 horsepower for lift and propulsion Propellers: 1 three-bladed variable-pitch propeller Performance Speed 35 knots (at sea state 3) Range
Griffon_Hoverwork_2000TD
U.S. guided-missile frigates under construction
frigates. In April 2020, the Navy announced that Fincantieri Marinette Marine had won the contract with a modified design based on the Italian version
Constellation-class_frigate
Type of aviation fuel
flash point (min. 60 °C or 140 °F). Because some US naval air stations, Marine Corps air stations and Coast Guard air stations host both sea and land based
Jet_fuel
connected to a single drive shaft via gearbox, equipped with a variable pitch propeller and slotted nozzle. After a grounding incident, the vessel sailed
S.A._John_Ross
Airbreathing jet engine designed to provide thrust by driving a fan
the 1970s, Rolls-Royce/SNECMA tested a M45SD-02 turbofan fitted with variable-pitch fan blades to improve handling at ultralow fan pressure ratios and to
Turbofan
1936 US scout bomber prototype biplane
R-1535 Twin Wasp Junior air-cooled radial engine driving with a variable-pitch propeller. Armament was planned to be two .30 in (7.62 mm) forward-firing
Grumman_XSBF
Amphibious pusher configuration biplane
drives a three-blade Airplast propeller, either a fixed pitch model 175 or an electrically controlled, variable pitch model PV 50. Seven Super Petrel
EDRA_Aeronautica_Super_Pétrel
Chinese landing craft
control which only required a single operator, and it also utilizes variable-pitch propeller. As with Songling LCAC, Type 711 LCAC also mainly served as experimental
Type_724_LCAC
Extraction of power from ocean currents
might be considered: axial-flow horizontal-axis propellers (with both variable-pitch or fixed-pitch), underwater kites and cross-flow Darrieus rotors
Marine_current_power
Sub-class of turbomachinery
compressor will be less efficient due primarily to a combination of rotor and variable stator tip-clearance losses. Cons Their main drawback is that they cannot
Centrifugal_compressor
Patrol boat in the Spanish Navy
by two Bazán-MTU marine diesel engines which provide a total of roughly 4,000 horsepower. The ship's two variable-pitch propellers allow it to cruise
Spanish_patrol_boat_Centinela
of service for several days for lack of spare filters for her variable-pitch propeller system. Another early difficulty was that the restaurant concessionaire
MV_Prince_of_Wales
Aircraft engine that produces thrust by emitting a jet of gas
propeller module are heavily integrated and are considered to be a single product. Additionally, the propfan’s short, heavily twisted variable pitch blades
Jet_engine
U.S. Coast Guard seagoing buoy tender
unrefueled range of 6,000 miles at 12 knots. Maple has a single variable-pitch propeller that is powered by two Caterpillar 3608 Diesel engines, each with
USCGC_Maple
Device that generates sparks in internal combustion engines
2015 Champion master spark plug application catalog, pp. VI "Marine Spark Plug Savvy". MarineEngineDigest.com. 29 April 2012. Retrieved 1 December 2012.
Spark_plug
Amphibious cargo ship of the Argentine Navy
6-cylinder Sulzer 6 ZL 40/48 marine diesel engines of 3,200 horsepower (2,400 kW) each, driving two variable-pitch propellers; with a maximum speed of 16
ARA_Bahía_San_Blas
Categorization system of internal combustion engines
ducted fan Turboprop, gasses travel through an unducted propeller, usually with variable pitch Turboshaft, a gas turbine optimised for producing mechanical
Engine_configuration
Facet of ballistics and aeronautics
aircraft with pitch-only control. Variable nozzle A thrust-vectoring nozzle of variable geometry maintaining a constant, or allowing a variable, effective
Thrust_vectoring
Nichinan-class oceanographic research ship of JMSDF
hull at the bottom of the ship. The variable-pitch propeller is also a large-diameter 5-wing high-skewed propeller, and the shaft rotation speed is also
JS_Nichinan
FDNY Fireboat
Ranger 4200-class fireboat that serves the New York City Fire Department as Marine Company 1. Designed by Robert Allan Ltd. and built to replace the 1954 John
Three_Forty_Three
U.S. Coast Guard seagoing buoy tender
unrefueled range of 6,000 miles at 12 knots. Elm has a single variable-pitch propeller that is powered by two Caterpillar 3608 Diesel engines, each with
USCGC_Elm_(WLB-204)
Russian ship class
and weld overlaying were conducted. Concurrently, the shafting, variable-pitch propeller, bow and stern thrusters, anchorage apparatus, rudder, automatic
Sibirykov-class_research_ship
Medium to transfer power in hydraulic machinery
pumps; should all the engines fail in flight the pilot will deploy a propeller-driven electric generator called a Ram-Air Turbine (RAT) which is concealed
Hydraulic_fluid
Timing of the release of a spark in a combustion engine
The ignition timing affects many variables including engine longevity, fuel economy, and engine power. Many variables also affect what the "best" timing
Ignition_timing
French naval ship class
(13 March 2023). "La Marine nationale n'obtiendrait que 7 nouveaux patrouilleurs hauturiers au lieu des 10 prévus". Mer et Marine. Groizeleau, Vincent
Flamant-class_patrol_vessel
1990 Type 22 or Broadsword class frigate of the Royal Navy
immediate readiness to provide fire support to the troops of the Royal Marines as they advanced up the peninsula. Chatham deployed from the UK to the
HMS_Chatham_(F87)
Pin that holds connecting rod to piston head
designs, including those driven by steam, and many very large stationary or marine engines, the gudgeon pin is located in a sliding crosshead that connects
Gudgeon_pin
Power source for starting large engines
valves and remote air-start valves. A direct start system as used on a marine slow-speed diesel is required to have up to 12 starts on a non-reversing
Air-start_system
1930s French aircraft
286/5 with Merville 501 propeller. Five built. C.286/7 Super-Phalene - equipped with Ratier series 1175 variable-pitch propeller. (Eight built) C.286/8
Caudron_C.280_Phalène
Australian icebreaking research vessel
landing barges and amphibious trucks, the ship provides a platform for marine science in sea ice and open water, with a large moon pool for launching
RSV_Nuyina
FDNY Fireboat
II is a Robert Allan Ltd. Ranger 4200 class fireboat put in service with Marine Company 9 of the New York City Fire Department (FDNY) on December 7, 2010
Fire_Fighter_II
Automatic ship station- and heading-holding systems
automatically maintain a vessel's position and heading by using its own propellers and thrusters. Position reference sensors, combined with wind sensors
Dynamic_positioning
Experimental Navy submarine, launched 1904
torpedo tubes side-by-side in the bow. Z was equipped with a single variable-pitch propeller that was driven on the surface by a diesel engine built by Sautter-Harlé [fr];
French_submarine_Z
Low-pressure voids formed in liquids
reduce skin friction drag on a submerged object Supercavitating propeller – Marine propeller designed to operate with a full cavitation bubble Water hammer –
Cavitation
(296 bhp; 221 kW), both driving the single propeller shaft that was fitted with a variable-pitch propeller. They were designed to reach a maximum speed
French_submarine_Algérien
Amphibious flying boat
and pilot alike. The engines typically drove fixed-pitch propellers, although variable-pitch propellers were available as an option for greater performance
Piaggio_P.136
Device used to start an internal combustion engine
handle which engaged the front of the crankshaft, pulling on an airplane propeller, or pulling a cord that was wound around an open-face pulley. The hand-crank
Starter_(engine)
23 to 28 knots (43 to 52 km/h; 26 to 32 mph), fixed-pitch rather than variable-pitch propellers, stern launch capability, and watertight bulkheads. Charles
USCGC_Charles_Sexton
brake horsepower (2,200 kW) each. They drive two four-bladed variable-pitch propellers which are 8.5 feet (2.6 m) in diameter. The ship also has a bow
MV_Tazlina
British ocean liner
engines. During the refit, the original fixed-pitch propellers were replaced with variable-pitch propellers. The original steam propulsion system required
Queen_Elizabeth_2
(296 bhp; 221 kW), both driving the single propeller shaft that was fitted with a variable-pitch propeller. They were designed to reach a maximum speed
French_submarine_Français
Future guided-missile frigate for the U.S. Navy
3000 kW for a total output of 12 MW electrical ship power 2 x fixed-pitch propellers 1 × auxiliary propulsion unit Thrustmasters of Texas Hydrologic Retractable
USS_Congress_(FFG-63)
Proposed ground effect fixed-wing aircraft under study
size of the propellers on the aforementioned turboprop and propfan engines, and is noticeably bigger than the largest marine ship propellers, although it
Boeing_Pelican
US Navy Oliver Hazard Perry-class frigate
the United States Navy named after Captain Henry T. Elrod (1905–1941), a Marine aviator who was posthumously awarded the Medal of Honor for his heroism
USS_Elrod
the main engines to a propeller shaft driving a 4.7-metre (15.4 ft) four-bladed Rauma-Repola Liaaen controllable-pitch propeller and a 900 kVa Strömberg
Rautaruukki_(pusher)
(296 bhp; 221 kW), both driving the single propeller shaft that was fitted with a variable-pitch propeller. They were designed to reach a maximum speed
Français-class_submarine
VARIABLE PITCH-PROPELLER-MARINE
VARIABLE PITCH-PROPELLER-MARINE
Boy/Male
Shakespearean
The Comedy of Errors' A schoolmaster.
Boy/Male
British, English
Old Leader
Surname or Lastname
English
English : variant of Hick.
Surname or Lastname
English (Somerset)
English (Somerset) : unexplained.Perhaps an Americanized form of German Kitsche, a Silesian and Saxon pet form of Christian.
Boy/Male
Anglo, British, English
Variable
Surname or Lastname
English
English : variant spelling of Rich.Altered spelling of German Ritsch, probably from a short form of a Germanic personal name based on rÄ«c ‘power(ful)’ or hrÅd ‘renown’; or an altered spelling of Swiss German Rütsch, Ruetsch, from Alemannic short forms of Rudolf.
Boy/Male
British, English
Ermine; Ferret-like Mammal; Animal Name
Biblical
pitch; pitchy
Surname or Lastname
English
English : variant of Peach.Americanized spelling of German Petsch.
Girl/Female
Biblical
Pitch, pitchy.
Surname or Lastname
English (mainly Devon)
English (mainly Devon) : nickname for a chirpy person, from Middle English pinch, pink ‘(chaf)finch’. Compare Finch.English (mainly Devon) : possibly a metonymic occupational name from Middle English pinche ‘pleated fabric’, from Middle English pinche(n) ‘to pinch (pastry)’, ‘to pleat (fabric)’, ‘to crimp (hair, etc.)’, also ‘to cavil’, ‘to be niggardly’.
Surname or Lastname
English
English : of disputed origin. Reaney rejects the traditional explanation that it is a nickname derived from early modern English fitch ‘polecat’, as this word is not recorded in this form until the 16th century, whereas the byname or surname Fitchet is found as early as the 12th century. He proposes instead that the name may be from Old French fiche ‘stake’ (used as a boundary marker), but with the sense ‘iron point’, and so a metonymic occupational name for a workman who used an iron-pointed implement.The Fitches of CT, a wealthy and prominent family, were established in Norwalk, CT, before 1657 by Thomas Fitch (1612–1704). His great-grandson Thomas Fitch (c. 1700–74) was a lawyer and colonial governor of CT.
Girl/Female
Native American
Witch.
Boy/Male
Hebrew American Irish Scottish English
Who is like God? Gift from God. In the Bible, St. Michael was the conqueror of Satan and patron...
Surname or Lastname
English
English : from the feminine personal name Mirabel, equated in medieval records with Latin mirabilis ‘marvellous’, ‘wonderful’ (in the sense ‘extraordinary’).
Boy/Male
English
Ermine (ferret-like mammal).
Surname or Lastname
English (Norfolk)
English (Norfolk) : from Middle English pilch, a metonymic occupational name for a maker or seller of pilches or a nickname for a habitual wearer of these. A pilch (from Late Latin pellicia, a derivative of pellis ‘skin’, ‘hide’) was a kind of coarse leather garment with the hair or fur still on it.Polish : nickname from Old Polish pilch ‘gray squirrel’.Jewish (from Ukraine) : metonymic occupational name from Yiddish piltsh ‘felt’ (see 1).
Boy/Male
American, Australian, British, Chinese, Christian, English, French, Hebrew, Irish, Scottish
Great Warrior; Who is Like God; Form of Michael Like God
Male
English
Short form of English Mitchell, MITCH means "who is like God?"
Surname or Lastname
English
English : variant of Dyke.Jewish (Ashkenazic) : variant of Deutsch.
VARIABLE PITCH-PROPELLER-MARINE
VARIABLE PITCH-PROPELLER-MARINE
Girl/Female
Bengali, Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Sanskrit, Tamil, Telugu
A Vedic Composition; Vedic Om Position; God
Male
Dutch
, addition; or, he will add.
Girl/Female
Hindu, Indian, Traditional
A Box
Boy/Male
Hindu, Indian
Desirable
Girl/Female
Indian
Walking with proud, Swinging gait, Pretty
Boy/Male
Hindu
Another name of the Sun
Girl/Female
Indian, Telugu
Camphor
Female
Polish
Polish form of Greek Elisabet, ELŻBIETA means "God is my oath."
Boy/Male
Indian, Telugu
Faithful
Boy/Male
Hindu, Indian
Unique
VARIABLE PITCH-PROPELLER-MARINE
VARIABLE PITCH-PROPELLER-MARINE
VARIABLE PITCH-PROPELLER-MARINE
VARIABLE PITCH-PROPELLER-MARINE
VARIABLE PITCH-PROPELLER-MARINE
n.
The point where a declivity begins; hence, the declivity itself; a descending slope; the degree or rate of descent or slope; slant; as, a steep pitch in the road; the pitch of a roof.
v. t.
To throw, generally with a definite aim or purpose; to cast; to hurl; to toss; as, to pitch quoits; to pitch hay; to pitch a ball.
v. t.
To thrust or plant in the ground, as stakes or poles; hence, to fix firmly, as by means of poles; to establish; to arrange; as, to pitch a tent; to pitch a camp.
n.
A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel.
a.
Partaking of the qualities of pitch; resembling pitch.
n.
The distance from center to center of any two adjacent teeth of gearing, measured on the pitch line; -- called also circular pitch.
a.
Black; pitch-dark; dismal.
a.
Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are variable.
n.
That which is variable; that which varies, or is subject to change.
a.
Of or pertaining to pitch; resembling pitch in color or quality; pitchy.
n.
To cover over or smear with pitch.
a.
Invariable.
adv.
In a variable manner.
n.
A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x2 - y2 = R2, x and y are variables.
v. t.
To fix or set the tone of; as, to pitch a tune.
n.
A steamboat thus propelled; a screw steamer.
a.
Black as pitch or tar.
a.
Having the capacity of varying or changing; capable of alternation in any manner; changeable; as, variable winds or seasons; a variable quantity.
a.
Smeared with pitch.
a.
Dark as a pitch; pitch-black.