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Teaching With Toys
in motion and includes a sound-card recording of a real Harley-Davidson Twin Cam 88. The $100 model, which is said to take an "experienced" modeler to complete, is from Dogfight in the living room The FlyTech Bladestar, a battery-powered indoor flying. Teaching With Toys | Machine Design. Skip to Content
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Vibes scope machine health
uses a battery-powered, handheld vibration analyzer. The analyzer wires directly to an accelerometer, which typically has a magnetic base for attachment to a machine-bearing housing. A bearing housing offers the best transmission path from a rotating member to the sensor. Vibration data downloads
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MICRO: Prod Tech News
, South Hall, Booth 426) The portable ultrasonic Fog-Gun is for use in environments that require totally portable, visible vapor generation. The battery-powered, handheld, on-demand fogger has no extension cords, is portable and lightweight, and is equipped with a two-speed fan. Built-in tilt and level
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Fuel-cell APUs: A Step Toward All-Electric Cars
. However, fuel-cell-powered, all-electric cars aren't a panacea. Batteries must still provide some amount of energy storage. And no infrastructure yet exists for hydrogen refueling. This is especially problematic for proton-exchange membrane fuel cells (PEMFCs) that need relatively pure hydrogen
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Hybrid-electric vehicles hit the streets
. The system combines a 1.0-liter, three-cylinder gasoline engine with a small electric motor. The electric motor is powered by a 144-V nickel metal-hydride battery pack located under the rear hatch. Regenerative braking charges the batteries. When coasting or braking, the IMA captures energy normally lost
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Hybrid-electric vehicles hit the streets
. The system combines a 1.0-liter, three-cylinder gasoline engine with a small electric motor. The electric motor is powered by a 144-V nickel metal-hydride battery pack located under the rear hatch. Regenerative braking charges the batteries. When coasting or braking, the IMA captures energy normally lost
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Hot tips on thermocouples
securely to metal conduit that meets the various encapsulation or explosion-proof requirements. Intrinsically safe circuits are used to power the device while conduit fittings protect the wires mechanically. Hockey-puck transmitters are generally output loop-powered, meaning they are powered from
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Toys that teach
is powered by an ac adapter, because, as the company says, “no one likes batteries.”. Chaos Tower costs about $120 from Chaos Toys (www.chaostoys.com). Catch a buzz: The remote-controlled flying insect. The world’s first radio-controlled flying insect, the Flytech Dragonfly, lets children eight and up