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2. Reduction drive - Wikipedia

   en.wikipedia.org/wiki/Reduction_drive

   The Midwest twin-rotor wankel engine has an eccentric shaft that spins up to 7,800 rpm, so a 2.96:1 reduction gear is used. Aero-engine reduction gears are typically of the gear type, but smaller two-stroke engines such as the Rotax 582 use belt drive with toothed belts, which is a cheap and lightweight option with built-in damping of power surges.

3. Cycloidal drive - Wikipedia

   en.wikipedia.org/wiki/Cycloidal_drive

   Parts of a 10:1 cycloidal speed reducer mechanism. The input shaft is mounted eccentrically to a rolling-element bearing (typically a cylindrical roller bearing), causing the cycloidal disc to wobble in a circle. [2] The cycloidal disc will independently rotate around the bearing as it is pushed against the ring gear.

4. Propeller speed reduction unit - Wikipedia

   en.wikipedia.org/wiki/Propeller_Speed_Reduction_Unit

   A propeller speed reduction unit is a gearbox or a belt and pulley device used to reduce the output revolutions per minute (rpm) from the higher input rpm of the powerplant. [1] This allows the use of small displacement internal combustion engines to turn aircraft propellers within an efficient speed range.

5. Drum motor - Wikipedia

   en.wikipedia.org/wiki/Drum_motor

   Drum Motor with Planetary Gear Drum Motor With Helical Spur Gear. The drum motor concept was first recorded in 1928, but it was not used until the early 1950s, when it was first produced specifically for conveyor belt applications. The goal was to produce a compact, totally enclosed single component drive unit with high efficiency and lower ...

6. Barring engine - Wikipedia

   en.wikipedia.org/wiki/Barring_engine

   The first barring engines or barring gear were manual. At their simplest, they were a hefty engineer with a crowbar (hence the term "barring"). The engine's flywheel could be provided with a series of holes or teeth and a roller fulcrum set into the frame at a convenient place. Later manual barring engines had geared drives and a crank handle.

7. How to keep babies warm in cold weather and other winter tips

   www.aol.com/keep-babies-warm-during-cold...

   Much of the UK is being hit with cold weather. Here are some tips for coping with low temperatures. LIVE: New weather warnings issued as snow and ice disrupt UK travel

8. Radio-controlled car - Wikipedia

   en.wikipedia.org/wiki/Radio-controlled_car

   The Kv number tells how many RPM the motor will turn per volt. However, the ability of the system to put out power is dependent on the quality of the batteries used, wires and connectors supplying power. Due to their power, brushless motors are also used in bigger monster trucks and 1/8 nitro-powered buggies that have been converted to electric.

9. Suspect identified, at large in fatal stabbing of Seattle bus ...

   www.aol.com/police-searching-seattle-bus...

   A passenger who attacked a public bus driver and stabbed him to death in Seattle remains on the loose, according to officials. Richard Sitzlack, 53, was identified Thursday afternoon as a suspect ...