Tag: diy
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sleeping bag and compression sack
I am going on a backpacking trip. I want to carry as little as possible if I can, so I tried to make a lighter and smaller sleeping bag. First, I cheated by starting with a sleeping bag. It is one I have had as long as I can remember. Its okay for warm car […]
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Take Flight for Kids
Today Tom and I brought some of our unique vehicles to the annual Take Flight for Kids festival held at the Reid Hillview Airport. Also exhibiting with us were tons of custom hotrod builders, model airplane enthusiasts, several FIRST Robotics team (including my high school team 604!), and many others. They were even offering free airplane rides for […]
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woodkart – it works!!
Oops, we finished this over a year ago, but I never got around to blogging. Better late than never, right? The title glosses over some details: since the last post, we added the seat, breaks, motors, batteries, and motor controllers. To mount to motor we first assembled the chain, then pulled the motor back as […]
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roll top backpack
Lately I’ve been feeling like my trusty backpack of 4+ years (a cheap North Face knock off that I first met in a Hong Kong street market) is a bit bulky for the stuff I usually carry around these days. My current laptop is about half the size of the one I used in school, […]
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homemade bike frame bags
In one week (eek, so soon!!) I will go on a long bike ride with Muffin. The plan is to post details of our adventure on amybikessomewhere.wordpress.com This weekend I worked on some bike frame bags to help free up some space in my rear panniers. Here is the result: The small top tube bag […]
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Fatigue: a study of flexures in a scooter
Introducing, Fatigue, my preemptively-named flexure-based scooter. You can see how a flexure is perfect for the rear brake, which has quite limited travel. Luckily, it also doesn’t see to many extreme forces. It is made from polycarbonate, about 0.1″ thick. The pivot for the front fork however, needs to achieve relatively high deflection (to improve […]