Planning and early stages of the bike lights construction starts in the shed. Bicycle: Electra, “Townie” ladies bike, cream AU$1300. Chosen by my wife. Ladies bike??? Big advantages of being able to step through and sit on the seat with feet flat on the ground to support the high center of gravity of the battery weight. The front tray is a big plus as well. No point in trying to make a heavily loaded racing bike or mountain bike I reckon. Old lady retro feel styling in cream. (I wanted the purple flowery one but my wife was firm). It has 3 internal hub gears and back pedal brakes. And it has a bell…
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The  worlds brightest LED bike light is 9 km away.  60 years ago, John Glenn saw the lights of  Perth City close to where I live. Calculations show similarly that at 10 km the light should be as bright as a half moon (apparent magnitude of full moon – 12.92) . So let’s test this. For more details and photos:

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This LED light uses the LED front light from my worlds brightest bike light.  Attached to a battery pack, it weighs in at a handy 57 kg.
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 See it from space? Surprisingly it should be able to be seen from space. Let’s consider the International Space Station (ISS) which typically passes by at a mere 230 miles (370 km) overhead. Note that the front array of the bike can be reconfigured into a flashlight and pointed upwards.
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