uncleflo
Registered since September 28th, 2017
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Tag selected: dynamo.
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Reelight RL771 Bicycle Headlight and Tail Light for Seatpost
Saved by uncleflo on December 18th, 2019.
Front and rear light powered by a single dynamo. High intensity light for low light situations. Made in China. An effective product to use. Installed upside down fork and seatpost. The front and rear lights are powered by a single generator.. Headlight emitting a powerful light. Side lighting. Approved E6 reflectors. Does not require batteries. Fixes to a bike. No resistance - Always lit up, always safe - no maintenance required. If you are looking for a beacon that lights the road in places where public lighting is lacking, the RL700 is the most sensible choice. Its frictionless dynamo powers a headlight which emits a strong light and a wide beam on the road. The beacon emits light through a side of small holes, through an angle up to 270 degrees. The result is a greatly enhanced visibility in traffic. The front and rear lights are fitted with E6 approved reflectors. The front headlight is installed on the steering fork, above the front wheel, and the rear light is installed on the seat post. The front and rear RL700 lights are powered by a single generator mounted on the carrier. The magnets are placed on the rear wheel spokes. The light powers its own current with its eco-friendly coil and generator with magnets on the spokes of the wheel - no need for any battery. The light is attached to the bicycle: you never forget it. The light is always active and ensures greater safety in traffic, day and night. Through this magnet lamp, no more flat batteries, forgotten lights or resistance to pedalling. Nothing but a permanent lighting for constant security. The RL700 kit contains a headlight and tail light. Constant lighting: lights up when you ride and keeps going when you stop.
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The Magtenlight Company
Saved by uncleflo on March 23rd, 2012.
The Magtenlight Company is a Hong Kong based company dedicated to the design and manufacturing of innovative battery free bicycle lights securing maximum safety to the cyclist. A worldwide patented revolutionary bicycle lighting system: , no contact friction. Transfer your pedal power to the generator unit by magnetic transfer, for maximum efficiency. Unlike other battery free bike light systems available in the market, the Magtenlight Company provides lights for you to see the road and to be seen by others. The Magtenlight Company provides a revolutionary system which powers a 15 Lux superlight white LED on the front and a double RED led on the rear, with only one frictionless power generation system, constantly on, for you to see the road and to be seen by others. A constant light is best for the approaching motorists to estimate how far and how fast the bicycle is going.
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Dynamo LED Light Systems for Bicycles (electronic circuits)
Saved by uncleflo on June 28th, 2011.
LED light systems offer exceptional reliability and superior light yield vs standard bicycle light systems. This is an evolutionary tutorial on how to power such systems from a dynamo. As you read, you will come across a variety of circuits that can be built at home. The following projects heavily use power LEDs. They are typically made by manufacturers such as Philips-Lumileds, Cree, Seoul Semiconductor. At the time of writing, these LEDs are subject of rapid improvement. In 6 months from now, a new model of power LED will probably make todays most advanced LEDs look dim. There could even be new manufacturers pushing on the market with superiour LEDs. Due to this, I never recommend any specific part number for the LEDs. The driver circuits are not affected by the type of LED used, as long as it has the typical forward voltage of a white LED.
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Regulator for a Hub Dynamo
Saved by uncleflo on June 28th, 2011.
This is a regulator for a 6V/3W bicycle hub generator system. The purpose is to manage the powering of bicycle lights from the hub generator and from rechargeable batteries, to charge the batteries using excess power from the generator, and to provide intelligent charging of the batteries from an AC adapter, when needed.
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Saved by uncleflo on June 28th, 2011.
The lights are based on the electrodynamic induction principle, and work when you screw two magnets on the spokes and fix the light to the wheel’s hub. Electric current is then produced when the magnets pass the light, which incorporates a spool of copper wire. The light then flashes every time the wheel rotates. Simple, effective and ingenious. The self-sufficient induction dynamo, the high-quality light diodes and the powerful neodynium magnets guarantee quality and durability. When cycling with Reelight, you feel no resistance when you tread on the pedals. Moreover, the lights are completely silent. With the launch of Reelight’s second model your lights will stay flashing even when you stop at traffic lights etc. The light stores the energy in a built-in capacitor and keeps flashing for several minutes while the bicycle is stationary. With the launch of Reelight's third model it is possible to get lights that shine with a steady instead of a flashing light when you cycle.
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Link.
Saved by uncleflo on June 3rd, 2011.
Simple explanation: We place a small magnet in a container, such as a film can, with a wire wrapped around it. Another magnet, outside the container passes by the film can causing the magnet inside to tumble. When the magnet in the container flips, it induces a current in the coil to power the lights. Its elemental! (Find 2 magnets and try it!)
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