The Office Bike Details
Fun Bikes that you can make yourself!
CAD system checkout of ergonomics, heel to Wheel clearance etc. That much overlap is ok to me.
The Donor boom tube was mitered using a Drill with a hole saw bit sized to fit head tube.
The Boom is strapped on and tack welded then alignment checked.
After completed weld
Frame Materials: 16 " steel kid bike and a donor bike's BB and downtube, the seat is to be fitted with strong concentric seat posts.
Weight as pictured: 25 lbs without the seat. 50 lbs with seat.
What was I thinking?:
How to make a regular bike into a recumbent with office chair for "Bike To Work Day" theme.
How Does it ride?:
It is stable and well behaved from 2-25 mph. It has the factory geometry but with redistributed weight. Its awkward to start and stop since it's hard to reach feet to the ground. The bike has a very solid feel.
What changed after the pictures on this bike?:
I rebuilt the seat position a little lower and a lot more forward. I added an old keyboard to the handle bars so I could simulate working like I do at my desk job. :-)
What would I do differently on another attempt?:
I would lower the BB a little and tilt the seat pan forward a little to allow feet to touch ground easier.
What lessons were learned?:
Bike design and execution are actually very forgiving if your expectations are low and your humor is good. You can make a truly silly comfort seat bike.
What are the keeper developments?: The underlying conversion of small kid bike to recumbent.
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