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2. SM-65C Atlas - Wikipedia

   en.wikipedia.org/wiki/SM-65C_Atlas

   Atlas 8C, 21 July 1959 Atlas 11C, 24 August 1959. The Atlas C test program began with the successful flight of 3C on December 23, 1958. [2] All systems performed well and the extended booster burn time was carried out with no ill effects. On January 27, Missile 4C experienced a complete Mod III GE guidance system failure at T+80 seconds. The ...

3. Collet - Wikipedia

   en.wikipedia.org/wiki/Collet

   Several machine collets (top and centre) and a dismantled pin chuck (below). Generally, a collet chuck, [3] considered as a unit, consists of a tapered receiving sleeve (sometimes integral with the machine spindle), the collet proper (usually made of spring steel) which is inserted into the receiving sleeve, and (often) a cap that screws over the collet, clamping it via another taper.

4. Talk:Machine taper - Wikipedia

   en.wikipedia.org/wiki/Talk:Machine_taper

   A machine with an R8 collet system (usually a manual Bridgeport style vertical mill, aiui) normally has a set of collets of varying sizes. To use a 1/2" shank end mill, you install the 1/2" collet, insert the end mill in the collet, and tighten the draw bar to retain the end mill. To use a different size tool, you use a different size collet.

5. Atlas (rocket family) - Wikipedia

   en.wikipedia.org/wiki/Atlas_(rocket_family)

   The Atlas V's first stage is called the Common Core Booster (CCB), which continues to use the Energomash RD-180 introduced in the Atlas III, but employs a rigid framework instead of balloon tanks. The rigid fuselage is heavier, but easier to handle and transport, eliminating the need for constant internal pressure.

6. Chuck (engineering) - Wikipedia

   en.wikipedia.org/wiki/Chuck_(engineering)

   The Jacobs Rubber-Flex brand is a name that most machinists would recognize for this type of collet chuck system. Regardless of the collet design, the operating principle is the same: squeeze the collet radially against the tool or workpiece to be held, resulting in high static friction. Under correct conditions, it holds quite securely.

7. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_shank

   Can be held in a drill chuck made for cylindrical shanks; Can be held in a hex screwdriver bit chuck; High torque transmission, limited only by strength; No need to tighten, shape does not allow slipping; Moderately accurate centering; Cannot be held in a regular round collet; A special 3c or 5c HEX collet must be used.