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Bjork's chopper is powered by a standard pull start 0.11 Kyosho nitro car engine, electronics were donated from a model airplane. Bjork wanted an independent 1.4 volt power supply for the glow plug, so with some simple homebuilt electronics he cleverly rigged up the glow plug to operate through the third channel.
Slideshow (10 images total):
Chain drive and gearwheels were salvaged from an old office machine. The wheels, tires and frame are from furniture. Hand tools were mostly used to fabricate the bike but Bjork had a little help from a friend who has a lathe. The gas tank hides the steering-servo. Bjork says the glow plug driver, gas tank and seat are made of 'chemical metal'. It's difficult to say what size the bike is (1/5 ??), the wheelbase is 400 mm, the rear tire is 100 mm x 45 mm, and the front is 80 mm. Bjork's chopper is a work in progress and the next items on the 'to do list' include balancing the back wheel, fabricating and installing functional shock absorbers on the fork, and fabricating and installing a sissy bar. Bjork says "my
intention is to drive this bike some day, meanwhile it's nice to look at it".
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