I bought a set of golf clubs and needed a diagram
Bought a Callaway Edge at Costco last week. Ten clubs, no bag. I didn’t know what a hybrid was, so I made a loft diagram. Irons step about 4°. PW to SW is about 12°. That’s the hol…
Blog
Thoughts, notes, and documentation
Reconciling a construction proposal that grew three times
We needed a retaining wall built. It started with a budgetary number, the kind you get early to find out whether a project is a project at all. By the time a formal contract arrive…
The low point, not the total
Every month for years I opened the same spreadsheet to answer one question: how much stock do I have to sell to cover the bills? Sell around the 27th, wait for settlement, pay the …
A Garmin GNS 430 you can fly in a browser tab
I needed GNS 430 practice without renting a plane by the hour. The box is GPS, nav radio and comm radio in one unit: a 240×128 pixel screen, buttons, concentric knobs. Muscle memor…
How an eCVT shifts an e-bike without any gears
I wanted to understand how an e-bike mid-drive can shift with no cassette, no shifter clicks, and no chain hopping sideways. I built an interactive 3D model of the gearset you can …