Projects
Engineering
A collection of engineering tools I’ve built, from overhead line design to space and rockets. Each one is a working, interactive app you can use right in your browser.
Grid & Utility Engineering
Calculator
Sag & Tension Calculator
NESC 250B · catenary · stringing charts
Sag and tension for bare ACSR, AAC and AAAC conductors, with NESC loading, initial and final conditions and an inclined-span profile.
Permitting
Distribution Permitting Tool
Rules 232–234 · railroads · DOTs · levees
NESC clearances side by side with published railroad, DOT, levee and pipeline requirements, plus likely permits and required heights at a pole location.
Sizing
Transformer Sizing Tool
Kersting diversity · ANSI C84.1 · A/C flicker
Size a distribution transformer for homes or commercial loads, then lay out spans and drops to check service voltage, flicker and growth headroom.
Space & Rockets
More tools coming