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Sunday, February 03, 2008

Cycle Computer





This is the last of the winter projects on the list to be fitted.
Some people have installed their bike computers in cars so as to take readings from the propshaft. I decided to do it the easy way, in as similar a manner as possible to its normal application, and stick the magnet on the wheel, mount the sensor nearby, and have the bracket somewhere in the cockpit.
The first job was to make up a bracket to mount the sensor near the wheel, once this was in place the next job was to extend the wire joining the sensor to the bracket as it is far too short for use in a Seven type car, for this I used Speaker wire as it is more or less the same size as the wire on the computer.
The magnet was stuck on to the wheel rim using epoxy resin.
After a test I used more epoxy resin to make sure that the magnet wouldn't fly off the wheel rim at speed.
As it was dark by the time I had finished fitting the computer in place I have not given it a proper test run plus I want to give the epoxy resin time to fully set.