(unpowered)
71Tier One — is Scaled Composites program of suborbital human spaceflight using the reusable spacecraft SpaceShipOne and its launcher White Knight. The craft are designed by Burt Rutan, and the project is funded 20 million US Dollars by Paul Allen. In 2004 it …
72Power over Ethernet — or PoE technology describes a system to transfer electrical power, along with data, to remote devices over standard twisted pair cable in an Ethernet network. This technology is useful for powering IP telephones, wireless LAN access points,… …
73Inductrack — is a completely passive, fail safe magnetic levitation system, using only unpowered loops of wire in the track and permanent magnets (arranged into Halbach arrays) on the vehicle to achieve magnetic levitation. The track can be in one of two… …
74Booster engine — A booster engine for steam locomotives is a small two cylinder steam engine back gear connected to the trailing truck axle on the locomotive or, if none, the lead truck on the tender. A rocking idler gear permits it to be put into operation by… …
75Aerial work platform — A tracked AWP at a building site. An aerial work platform, also known as an aerial device or elevating work platform, is a mechanical device used to provide temporary access for people or equipment to inaccessible areas, usually at height. There… …
76Dump truck — For other uses, see Dump truck (disambiguation). A dump truck (or, UK, dumper truck) is a truck used for transporting loose material (such as sand, gravel, or dirt) for construction. A typical dump truck is equipped with a hydraulically operated… …
772-8-4 — In the Whyte notation, a 2 8 4 is a railroad steam locomotive that has one unpowered leading axle followed by four powered driving axles and two unpowered trailing axles. This locomotive type is most often referred to as a Berkshire, though the… …
78McKeen Motor Car Company — McKeen car Roslyn of the Northern Pacific Railroad. The McKeen Motor Car Company of Omaha, Nebraska was a builder of internal combustion engined railroad motor cars (railcars), constructing 152 between 1905–1917.[1] Founded by William McKeen, the …
79NASA M2-F1 — M2 F1 Role Lifting body Technology Demonstrator Manufacturer Dryden Flight Research Center Designer …
80Banana boat — For the song by Harry Belafonte, see the Banana Boat Song. : A banana boat is also a long dish used for serving a banana split. Unpowered boatA banana boat, often referred to simply as a banana, is an unpowered recreational boat designed to be… …
