33 Verbs to Use for the Word propellers

These various attempts to introduce the screw-propeller seem curiously enough to have had no lasting result.

They were in no immediate danger now, but to repair the damage done to the shaft and adjust a new propeller, it was necessary that they drag the submarine to the surface of a broad ice-cake.

To the horizontal shaft of his motor he attached a propeller made of silk stretched tightly over a light wooden framework.

Mr. Spyer said that in designing propellers for ships of war, they were obliged to attempt to obtain the highest possible speed, and that was not necessarily coincident with a propeller of maximum efficiency.

To mitigate the shock of the air pump valves in cases in which a high speed has been desirable, as in the case of marine engines employed to drive the screw propeller without intermediate gearing, India rubber discs, resting on a perforated metal plate, are now generally adopted; but the India rubber should be very thick, and the guards employed to keep the discs down should be of the same diameter as the discs themselves.

The question of who invented the screw-propeller in the absolute sense is entirely futile and without answer.

Though she paused involuntarily in trying to round the island where the sweet gum flamed against the pines, and caught her propeller on a cypress stump as she sighted the dormer windows of the old house on the hill, yet she came in good time to the clear channel and, passing the tangled underwood that hid the forsaken tomb, she reached the mouth of the creek before the tide turned and started up the James on the last of the flood.

It rose heavily, and travelling with the fresh wind, the propellers whirling swiftly, it crashed into the trees at the other side of the enclosure.

Marconigramthat a certain Russian prince's private yachtthe Nevskihad damaged her propeller, or some other part of her gear, and was being towed into this harbor for emergency repairs.

A mechanic started for the front of the plane and began swinging the propeller.

When it is required to disengage the propeller from the engine, the pins passing through the opposite eyes shown fig.

It works by pneumatic power, and does away with the old-fashioned method of starting an aeroplane by twisting the propeller.

55, and the coupling to enable the screw propeller to be disconnected from the engine, so that it may revolve freely when the vessel is under sail, is shown in fig.

Q.In well formed screw propellers what is the amount of slip found to be? A.If the screw be properly proportioned to the resistance that the vessel has to overcome, the slip will not be more than 10 per cent., but in some cases it amounts to 30 per cent., or even more than this.

Frame at stern for holding screw propeller.

In the Strait of Gibraltar he explained to him the great currents sent by the ocean into the Mediterranean, at certain times aiding the screw-propeller in the propulsion of the vessel.

Looking up, they saw a dainty green monoplane, with widespread wings and whirring propeller, descending to earth.

He noticed in the paper a propeller with a diameter of 15 ft. 6 in.

It was the famous Monitor, designed by Captain John Ericsson, to whose inventive genius we owe the screw propeller and the hot-air engine.

He patented the boomerang screw propeller, and was the author of many educational and other works, including a translation of the Lusiad of Camoens.

Another boat, the Albert, was built at Stettin, after the same type and at about the same epoch; and the question was considered of placing a reaction propeller upon the Great Eastern.

With what tools still remained from the time when all surplus weight had been jettisoned, and with some improvised apparatus, they set vigorously to work repairing the engines, fitting new rudder-plates, patching up the floats and providing the burned propellers with metal blades.

Apparatus for raising screw propeller.

Q.Seeing that the vessels are the same in all respects except as regards the propellers, and that one of them exhibits a superiority, does not this circumstance show that one propeller must be more powerful than the other?

One set of the turbines revolved the propellers so that they pushed, and the other set, turning them the other way, pulled the vessel backwardone set revolving in a vacuum and doing no work, while the other supplied the power.

33 Verbs to Use for the Word  propellers