How to use propellers in a sentence

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Sentence Examples Following this, he feathered the three propellers then unfeathered one at a time in an attempt to restart at least one engine, without success. There was no chance of saving the ship and by low water she was hard aground, her propellers embedded in the sand. But ultraviolet light converts the molecule to the cis isomer, in which both propellers are on the same side. After shutting off the cross-feed, No.4 engine resumed its steady operation while the other three dead engine propellers were windmilling. The mats snag fishing lines and propellers, making boating, swimming, and other recreational uses impossible. In initial tests, some of the biomolecular motors spun their propellers for more than two hours, at eight revolutions per second. The vessel's net entangled and fouled the 52-foot motor lifeboat's twin 36-inch brass propellers. The big outboards pushed the skiffs along through the tea brown waters at full speed, the propellers throwing up rooster tails of water. The Tucano is meant to handle like a jet engine and, despite its propellers, it also has a turbine engine. After landing, the rotors and propellers would automatically fold away, and the machine would use the same engine to drive its wheels. Many of the earliest metal propellers were manufactured in one piece of forged Duralumin. Flashing propellers carved the skies as a variety of innovative aircraft and daring pilots, many of them female, quested for fame and money. Once it takes hold it encrusts boat hulls and propellers, and chokes pipes and aquaculture. Both propellers are in place, though the starboard propeller is missing a couple of blades. As the colonel secured the engines and feathered the propellers, the aircraft momentarily became airborne because of the reduced drag. Boats powered by propellers and engines were bringing people across the river in under three hours. High-temperature gas turbine engines provide the power to drive the air-cushion blowers and the air propellers. As the ship tore through the defenseless nurseries, its propellers caught the fishery ropes and dragged the nurseries in its wake. They took inspiration from mechanical models such as propellers and paddle wheels. Boat owners can get into serious trouble for leaving it stuck to propellers or hulls when boats are in transit. Show More Sentences As it was slowing to a stop, the aircraft shuddered and its landing gear collapsed, propellers digging into the runway. Its engines consist of four turboprops with contrarotating propellers located on the wings. The Gannet has double in-line Mamba turbojet engines driving two sets of contra-rotating propellers though a single driveshaft. The company also makes sculptures gleaned from different aircraft propellers. The drone of aircraft propellers and thump of helicopter rotors made way for screaming auto engines and squealing tyres. He engaged the engine, causing two large screw propellers to whirl frantically and the wood and cloth contraption to lift off the ground. Three upright ring shrouds, housing the air propellers and standing upright at the back of the ship, give the Zubr its distinctive appearance. One engine on the top of the aircraft is attached to large propellers that produce lift, much like a helicopter. This report will start the propellers spinning on every tinfoil hat in America. The drive shaft areas on Alpha and all Bravo sterndrives are identical but the twin propellers on Bravo IIIs take up more space. Giant whale vertebrae lie beached and bleached on the shore like prehistoric, bone propellers. The propulsion system drives two shafts with seven-bladed fixed-pitch propellers. These recharge 40 lithium batteries that provide the energy to power its two propellers. The two LIPS Z drive azimuth thrusters are fitted with fixed-pitch reversing propellers. One of the bigger problems we faced was the non-availability of propellers for these aircraft. Very large, lightweight propellers provide sufficient thrust to keep the airship on station. Such was the constant buzzing around our ears that at first we were deaf to the sound of inbound propellers. We fly to Iasi, a remote university town in the north-east of Romania, on a tiny bone-shaker of a plane with propellers. The ship has two controllable pitch propellers and two rudders with rudder roll stabilisation. Under the stern, the rudders and propellers keep the hull clear of the bottom. Show More Sentences With its wings folded and contra-rotating propellers missing, the former fighter was neatly parked between two of the unit's wooden huts. The ship has two shafts with controllable pitch propellers, two rudders and a pair of active stabilising fins. However, the repeated elements are not abstract nuclei, but representational images, including ship propellers, inner tubes, boats. Originally, it was scored for a phalanx of player pianos, buzzers, airplane propellers, xylophones, and a host of other percussion instruments. He only discovered Gordon had been cut down by the propellers, situated on the back of the plane, when he stepped out. There are liable to be rocks, propellers, exhaust, slippery decks, cleats, and a host of other potential bugaboos that must be considered. The four engines, complete with propellers, were still attached to the plane but had come away from their mounting to rest on the undulating reef. Engines conk out at pivotal moments, and the boat's propellers unexpectedly start up when a diver is looking for damage, resulting in an aquatic bloodbath. Another benefit was that the contra-rotating propellers eliminated torque. Submarine engineers eager to copy these features are now experimenting with new kinds of flexible propellers, called propulsors, which resemble the dolphin's tail. The aircraft's propellers probably did not attain ground fine pitch position until about five seconds after landing. Vibration in quadrotor UAV is induced, mainly, due to the rotation of its motor-driven propellers. Both engine nacelles were torn downward from the wings, and both propellers were slightly bent. A calm surface favors the finesse of a dogwalker, and a riffled surface suggests the increased commotion of a chugger or a slush-type plug rigged with propellers. In 1796 Sir George Cayley constructed a miniature model flying machine which rose in the air by means of two counter-rotating propellers. He also propounded the static laws of air propellers, and evolved and developed the controllable-pitch propeller. Visible damage on the aircraft was limited to the two propellers and the upper cowl of the right engine. Both engines and propellers were removed and sent to an overhaul facility for complete teardown inspection. Rather than the circular rotation of normal propellers, these propellers oscillated back and forth. The movement of propellers stirs up sediment and waves from ships' wakes contribute to shore erosion. Show More Sentences It was an incredible feeling, revving up one engine after another, and seeing these large propellers turning and beating the air at full power. The propellers are located slightly ahead of midships for maximum efficiency. Almost expectantly, he tried to press a button that would apparently shut off one of the propellers and send the boat careening violently off to the left. Below the fantail deck, the trio of propellers take a bite out of the water with their 12 blades, and the charge begins! The buckets on the propellers were designed to face edgewise when turning one way and turn flat when moving the other way. Both of the 6-bladed propellers struck the trees at high power, and all 12 blades were broken from the propeller hubs. North Sailings use of wooden sailing boats with slow propellers that operate at slow speeds makes this whale watching virtually noise free. When crossing the Atlantic, he charted the location of the Gulf Stream and designed new hulls, riggings, propellers, and pumps for sailing vessels. Propulsion system upgrade or replacement including gearboxes, propellers, bow thrusters, etc. In the past, boat anchors have struck the shipwrecks, and wash from propellers and thrusters may have disturbed the sites. To avoid fouling water intakes and propellers, boat operators should proceed with caution in such areas. These are propellers mounted in transverse tunnels in the hull, to help position the craft and hold her stable while alongside a rig. I will close by saying that I have always been very interested in propellers because they are also used in boats. The force of the wash created by the propellers acts upon the rudders, causing the vessel's bow or stern to swing in the required direction. Organisms do not only attach to the hull but also to propellers and propeller shafts, anchors and anchor chains. If not immediately lethal, the whales can be left with deep wounds from ship propellers which may cause a slow, painful death. The condition of the propellers indicated that both engines were operating at the time of impact. The ships in the Franklin expedition bore an important technological innovation: they were equipped with propellers powered by a steam engine. Other activities of Voith are manufacture of water turbines, propellers for ships and drive technology. Ships that are equipped with twin propellers should use them to assist in the turn. Show More Sentences Instead of cups, anemometers may be fitted with propellers, although this is not common. He estimated that if the area of the propellers could be increased to 200 square feet, the device could lift a man. Manganese bronzes are specified for marine propellers and fittings, pinions, ball-bearing races, worm wheels, gear-shift forks and architectural work. The seabed generators consist of an array of massive propellers that are spun around as the tidal flow rushes past and drive a dynamo that produces energy. This helicopter had four lifting airscrews and five auxiliary propellers. During a transition period at midcentury, the largest warships retained masts and sails while adding steampower and either paddle wheels or screw propellers. The hull design is optimised for stability, seakeeping and manoeuvrability and the hull appendages and propellers are designed for low hydrodynamic noise. Also, large four-blade paddle-style propellers had been added along with a set of spinners that had been made for the prototypes and early production aircraft. An electric motor can deliver a huge amount of torque, or turning force, which is what gives electric cars such rapid acceleration, and is good for turning propellers, too. When swimming or pursuing any other kind of water sport, please note that eddies and waves can be just as dangerous as paddle wheels and ships' propellers. It has long been assumed that manatees were able to clearly hear the sound of motors and that they were just too slow and awkward to avoid propellers. When that industry vanished it destroyed the clusters that had grown up around it, from firms making propellers to potteries making the china for first-class passengers' breakfast. Newer Fairchild Metro aircraft are equipped with composite shields on the fuselage next to the propellers for ice protection, and Kevlar blankets inside the fueselage for shrapnel protection. As the flow-off velocities of the medium cause lower losses on low specific speed agitators with large propellers, these are significantly more efficient from the point of view of energy consumption. Inspection of the blades of the propellers revealed that they were bent and twisted in a manner consistent with power being delivered to both propellers at the time of impact. Further, the marks on the pinions caused by the impact were identical for both propellers, indicating that they were at the same pitch and engine speed at the time of the accident. The mixer has disposable propellers, so no tedious cleaning is required. For example, they may not see a toy plane as a plane but simply as an object that has a metallic taste, that rattles when it is shaken, and that makes funny patterns to look at when its propellers are spun. Appropriate means of communication shall be provided to any other position from which the speed or direction of thrust of the propellers may be controlled. In December they ran out of spare propellers. Show More Sentences The risk for them probably does not lie in the specific allegations about fund-raising, which these days bounce off voters like water off a landing craft's propellers. Powered by either twin Azimuthing drives or twin Voith Schneider propellers, the tugs can spin on a dime. Honda also aided the war effort by assisting other companies in automating the production of military aircraft propellers. Only engines 1 and 3, which have propellers that rotate to the right, are affected. Injuries or deaths due to collisions with boats, especially their propellers, are also common. Seven of her ten passengers were killed and one of the propellers can be seen outside the Old Haa Museum. A steamboat is a boat that is propelled primarily by steam power, typically driving propellers or paddlewheels. Many seals are caught in fishery nets and boat propellers, but the seals are also regularly accused of stealing fish from the fisheries. Three small propellers mounted to the airframe were used for additional pitch, roll, and yaw control. The screw propeller was introduced in 1835 by Francis Pettit Smith who discovered a new way of building propellers by accident. Penn also introduced the trunk engine for driving screw propellers in vessels of war. Improved versions were used to stabilize automatic tracking mechanisms of telescopes and to control speed of ship propellers and rudders. Prior to boarding Flight 8946, the crew inspected the aircraft and observed ice on the critical surfaces, the nose, and the propellers and icicles on the trailing edges of the wings and horizontal tail. Two of its massive Pegasus radial engines and propellers have been raised from the wreck and are now being conserved and displayed in our museum. These are similar to the azimuth thrusters already used on some vessels: propellers on pods that can be rotated to push the ship in different directions, making a rudder unnecessary. As a result, pilots and operators will be unaware that shorter-diameter propellers are not approved for use on the floatplane version of the aircraft. There the boat became entangled in nets that fouled one of the propellers, forcing it to abandon the operation and return home. Hovercraft propellers can be fixed or mounted on swiveling pylons, which allow the craft to be maneuvered quite accurately, independently of the rudders on which fixed propellers rely. With four protected propellers and four motors, it lifts vertically into the air and can spookily hover motionless, before soaring off in any desired direction. The only image released indicates a thick flying wing design of a rectangular planform, with two tractor propellers. Show More Sentences The Rubber Shoe... Canadian researchers solve a crippling problem of flying in cold weather by developing a method to de-ice propellers in flight by electrically heating the leading edge of the prop. The materials and dimensions of shafting and propellers shall be determined in accordance with the manufacturer's specifications or with the recommended practices and standards. Phosphor bronze is used for ships' propellers, musical instruments, and electrical contacts. The propeller teardown examination revealed that both propellers were in a normal operating range and were rotating with power at the time of impact. The Lindsey Foss is powered by two 4,000 horsepower engines through Voith Schneider cycloidal propellers. The propeller manufacturer also recommended that the propellers be maintained by an authorized service station to avoid incidents such as an unbalanced propeller. Most of the activities concerning aerodynamics are just as relevant for aeroplanes, helicopters, sailboats, wind turbines, and even ship propellers and water turbines. The trend is for wind farms to move offshore, where their appearance and the sound of whirring propellers won't bother local communities, and strong and steady sea winds will keep the turbines turning at full force. This system allows airflow from a thermal opening to flow inside the unibody and cool down the parts while passing more air to the propellers. The engine was linked through a chain-drive transmission to twin contrarotating pusher propellers, which it turned at an average speed of 348 rotations per minute. Without the propellers providing a wash over the rudders, this was too low a speed to enable steerage, and the vessel's heading could not be altered. The pleasure craft came to a stop when, in rapid succession, her propellers and rudders fouled first the towline and then the starboard component of the barge's towing bridle. Maintenance records for the aircraft, engines and propellers indicate that the aircraft was maintained in accordance with regulation, and there were no outstanding snags that would affect the airworthiness of the aircraft. They gestured something which I took to mean that they couldn't stop the engine for fear of not being able to start it again, and that they couldn't come to close to me lest my boat be torn to pieces by the propellers. Bronze is still commonly used in ship propellers and submerged bearings. Bardua, restorers now have the leading and trailing edges of the wings, wing tips, horizontal and vertical stabilizers, flight controls, tail section, engines and propellers. They provide a 360 view from the bridge together with an extra large cargo intake and adjustable propellers for greater manoeuvrability when sailing through ice. In the late 1950s, the discharge of methane gas in the depths of the river caused the water to bubble, and the toxins wore away at boats' propellers. If, on the other hand, the air was supersaturated, the condensation produced by propellers and air foils would persist, and a vapor trail would form. Model experiments have been made with two pairs of propellers, differing only in the fact that in one, excrescences representing nutheads were left on the boss. Show More Sentences Up to that time, propellers were literally screws, of considerable length. Examples from Classical Literature The engine was next started and the number of revolutions of the propellers counted by a tachometer. From this combination remarkable results are achieved, and all gyrostatic effect from the propellers eliminated. In marine engineering in slow-speed propellers narrow blades are usually used. The big propellers whirred around like the blades of an electric fan, and the motorship quivered from end to end. But just as Jerry got the propellers in motion, and as the motorship was slowly moving to one side the Winner topped her. But to turn the platform on its side and let the wind spin the propellers was pointless. As I dropped lower to have a better look at these people, they caught the whirring of my propellers and looked aloft. The churning propellers, offsetting, turned her in her tracks. The oars were useless as propellers, performing now the office of life-preservers. Chinooks have double motors and advanced rotor systems, with propellers that are able to spin in multiple directions. Overhead could be distinctly heard the thresh of the vessel's propellers. The propellers were started, and the motorship skimmed over the meadow. Like a bolt from a crossbow my splendid craft shot its steel prow straight at the whirring propellers of the giant above us. There was the sudden whirl of propellers, the rushing of air against her body, and, from far beneath the shouting and the challenge from the guard. Find more words! 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Words that rhyme with propellers What is the adverb for propellers? What is the adjective for propellers? What is the noun for propellers? Use our Sentence Generator Nearby Words propeller propellent propelled propellants propellant propel propelling propellor propels propene propense propensities 10-letter Words Starting With p pr pro prop prope propel propell propelle propeller