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  2. Gunderson Do-All Machine - Wikipedia

    en.wikipedia.org/wiki/Gunderson_Do-All_Machine

    The variety of machines include an automatically reversing worm gear, a water pump impellar, a governor/gas valve from a 20-horsepower (HP) JC engine, a blacksmith blower/bubble maker, the main line shaft and pulley from an antique corn grinder, a floating gear, a DC 110-volt generator and lights, a 38-to-1 gear reducer, a bicycle light ...

  3. Worm drive - Wikipedia

    en.wikipedia.org/wiki/Worm_drive

    Therefore, regardless of the worm's size (sensible engineering limits notwithstanding), the gear ratio is the "size of the worm wheel - to - 1". Given a single-start worm, a 20-tooth worm wheel reduces the speed by the ratio of 20:1. With spur gears, a gear of 12 teeth must match with a 240-tooth gear to achieve the same 20:1 ratio.

  4. Reduction drive - Wikipedia

    en.wikipedia.org/wiki/Reduction_drive

    By contrast, a Rotax 912 has an engine capacity of only 56% of the Jabiru 2200, but its reduction gear (of 1 : 2.273 or 1 : 2.43) allows the full output of 80 bhp to be exploited. 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.

  5. Cycloidal drive - Wikipedia

    en.wikipedia.org/wiki/Cycloidal_drive

    A cycloidal drive or cycloidal speed reducer is a mechanism for reducing the speed of an input shaft by a certain ratio. Cycloidal speed reducers are capable of relatively high ratios in compact sizes with very low backlash. [1] The input shaft drives an eccentric bearing that in turn drives the cycloidal disc in an eccentric, cycloidal motion ...

  6. Motovario - Wikipedia

    en.wikipedia.org/wiki/Motovario

    In 2011 the most recent subsidiary was founded in Kolkata, India: MOTOVARIO Gear Solutions Private Limited. In late 2015, Motovario S.p.A. was acquired by TECO Electric & Machinery Co for 186 million euros.

  7. Strain wave gearing - Wikipedia

    en.wikipedia.org/wiki/Strain_Wave_Gearing

    Harmonic Drive SE strain wave gear set consisting of wave generator bearing (top left), flexspline cup (top right) and circular spline ring (bottom). Strain wave gearing (also known as harmonic gearing ) is a type of mechanical gear system that uses a flexible spline with external teeth, which is deformed by a rotating elliptical plug to engage ...

  8. Bearing reducer - Wikipedia

    en.wikipedia.org/wiki/Bearing_reducer

    This transmission system allows the utilization of the bearing reducer in several technics, such as robotics and automation, machine tools, measuring equipment, navigation systems, the aircraft industry, the military and medicine field, the woodworking field, the printers branch, the machines for the textile industry and glass treatment, and ...

  9. Propeller speed reduction unit - Wikipedia

    en.wikipedia.org/wiki/Propeller_Speed_Reduction_Unit

    The Wright brothers recognised the need for propeller reduction gearing in 1903, but it was not generally used on aircraft engines until larger engines were designed in the 1920s. [1] Large engines with high crankshaft speeds and power outputs demanded propeller reduction, pilots noted the increase in performance of similar aircraft fitted with ...

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