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2. Drive shaft - Wikipedia

   en.wikipedia.org/wiki/Drive_shaft

   A drive shaft system weighs more than a chain system, usually 0.5–1 kg (1–2 lb) heavier. Many of the advantages claimed by drive shaft's proponents can be achieved on a chain-driven bicycle, such as covering the chain and sprockets. Use of lightweight derailleur gears with a high number of ratios is impossible, although hub gears can be used.

3. Shaft-driven bicycle - Wikipedia

   en.wikipedia.org/wiki/Shaft-driven_bicycle

   Dynamic Runabout 7 shaft-driven bicycle Drive-shaft housing. A shaft-driven bicycle is a bicycle that uses a drive shaft instead of a chain to transmit power from the pedals to the wheel. Shaft drives were introduced in the 1880s, but were mostly supplanted by chain-driven bicycles due to the gear ranges possible with sprockets and derailleurs ...

4. Schlumpf Drive - Wikipedia

   en.wikipedia.org/wiki/Schlumpf_Drive

   Schlumpf Speed Drive. A Schlumpf Drive is a two-speed planetary gear assembly for use on bicycles and unicycles. It is distinct from other bicycle planetary gear assemblies in that it is located behind the chainring rather than in the rear hub. A push-button on each side of the axle allows the rider to switch between high and low ratios.

5. Turbo-Hydramatic - Wikipedia

   en.wikipedia.org/wiki/Turbo-Hydramatic

   The case is tapped for either 1/4" National Pipe Straight NPS fittings,or 1/2"UNF fittings with a washer seal. 5/16" or 3/8" rigid coolant lines are generally connected via appropriate double-flared adapters. Four-wheel drive truck applications used 3 various shorter output shafts that coupled with a female transfer case input shaft.

6. NuVinci continuously variable transmission - Wikipedia

   en.wikipedia.org/wiki/NuVinci_Continuously...

   The NuVinci CVT system has a small number of parts. [5] [6] Most CVTs have lower mechanical efficiency than competitive conventional transmissions.Since any CVT may allow a power plant, human or motorized, to operate at (or closer to) its speed of optimal efficiency, output torque or output power, the NuVinci CVT may improve a system's overall efficiency or performance compared to a ...

7. List of ISO standards 2000–2999 - Wikipedia

   en.wikipedia.org/wiki/List_of_ISO_standards_2000...

   ISO 2494:1974 Paper and board — Recommended procedure for the determination of roughness — Constant-pressure air-flow method [Withdrawn: replaced with ISO 8791-(2-3)] ISO 2495:1995 Iron blue pigments — Specifications and methods of test; ISO 2496:1973 secButyl alcohol for industrial use — List of methods of test [Withdrawn without ...

8. Limits and fits - Wikipedia

   en.wikipedia.org/wiki/Limits_and_fits

   This is seen most commonly in regulating shaft sizes with hole sizes. [1] Limits and Fits are standardized by the International Organization for Standardization (ISO) [2] and the American National Standards Institute (ANSI). [3] Tables are used to quickly calculate required tolerances for bolt holes, shafts, mating parts, and many similar ...

9. Giubo - Wikipedia

   en.wikipedia.org/wiki/Giubo

   A driveshaft coupling. Note the split damage beginning to appear, likely due to the large axial displacement. A giubo. A giubo (/ ˈ dʒ uː b oʊ / JOO-boh; etymology: giunto Boschi, "Boschi joint"), also known as a 'flexdisc', and sometimes misspelled as guibo, is a flexible coupling used to transmit rotational torque between the drive shaft and the companion flange on mechanical devices ...