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An all-terrain vehicle (ATV), also known as a light utility vehicle (LUV), [1] a quad bike or quad (if it has four wheels), as defined by the American National Standards Institute (ANSI), is a vehicle that travels on low-pressure tires, has a seat that is straddled by the operator, and has handlebars, similar to a motorcycle. As the name ...
Also called caissons, drilled shafts, drilled piers, cast-in-drilled-hole piles (CIDH piles) or cast-in-situ piles, a borehole is drilled into the ground, then concrete (and often some sort of reinforcing) is placed into the borehole to form the pile. Rotary boring techniques allow larger diameter piles than any other piling method and permit ...
The engine displacement of a typical underbone motorcycle is generally between 50 cc and up to about 150 cc, though much larger ones are available. Currently, production underbone model with the largest engine displacement is the SYM VF3i, which is powered by a fuel-injected 183 cc SOHC 4-valve water-cooled engine. [2]
The fitness and cadence of the rider, bicycle tire pressure and sizes, gear ratios, slope of the terrain affect the overall speed of the rider. A person pedalling with 100 W power can achieve 5.5 m/s on a roadster, 7.5 m/s on a racing bicycle, 10 m/s with a faired HPV and 14 m/s with an ultimate HPV.
Bicycle and motorcycle dynamics is the science of the motion of bicycles and motorcycles and their components, due to the forces acting on them. Dynamics falls under a branch of physics known as classical mechanics. Bike motions of interest include balancing, steering, braking, accelerating, suspension activation, and vibration. The study of ...
He began hunting for a lab to get its water tested. 3 All four of the town’s wells showed high levels of C8. The chemical was also found to have contaminated at least half a dozen public water supplies, including one 70 miles downriver from Washington Works. Around this time, a private detective turned up at Sue Bailey’s home in Bluemont ...
Hunting gearset, a type of gearset where the gear ratio is chosen to avoid the wear problem of the same gear teeth on a gear always interfacing to the same teeth on the facing gear. Italdesign Quaranta - Italdesign Giugiaro concept car; Jeep Easter eggs; Joss Developments Maker of the Joss JT1 and the Joss JP1; Karlmann King (simple:Karlmann King)
Single-speed bicycles and fixed-gear bicycles have only one gear, and include all BMX bikes, many children's bikes, city messenger bikes, and many others. The fixed gear has no freewheel mechanism, so whenever the bike is in motion the pedals continue to spin. The pedals can, or sometimes must, be used to slow down.