Green Car Congress

FEBRUARY 14, 2020

I knew I wanted something for her that was cheap to maintain, had a reliable automatic transmission, came with cruise control, AC. There are also videos on Youtube where people change the pack the DIY way or the individual modules, but be aware to only buy individual modules from a trusted source. It was time to buy our first car.

2004 409

2004 Prius Cheap 2009 409

Cars That Think

NOVEMBER 26, 2023

There are industrial solutions that pass through sounds in specific frequency ranges, but these are targeted at speech. Now, after countless versions of wiring things together, and even designing my own audio mixers, I finally have a DIY solution that works within a reasonable budget. This eliminated the noise completely.

Building 117

Building DIY Connect Connected 117

Cars That Think

NOVEMBER 28, 2021

That successful mission in August 2018 was a huge step toward our goal of sending an amateur astronaut to the edge of space aboard one of our DIY rockets. The trickiest part, the double-curved "throat" section that connects the combustion chamber to the exhaust nozzle, requires computer-controlled machining equipment that we don't have.

DIY 139

DIY Engine Design Exhaust 139