# Ep 142: 65 Days of Airtime, Racecars Staring at the Ceiling, a Pushy White Cane, and Soapy Water Rockets

- Show: [Hackaday Podcast](https://hardwarepodcasts.com/podcast/hackaday-podcast)
- Published: 2021-10-29
- Length: 54m
- Episode: 142
- Page: https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and
- Listen: https://hackaday.libsyn.com/ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and-soapy-water-rockets

## Summary

Hackaday editors Mike Szczys and Elliot Williams discuss a variety of community hacks, including Andy's autonomous RC car that navigates by staring at ceiling lights, Andrew Klein's precision-machined 'magic' screw, and a multi-stage soapy water rocket. They also cover a Stanford research group's motorized omni-wheel white cane for the visually impaired, DIY King's high-capacity e-bike build using an alternator motor, and a collection of simple analog electronics tricks. The episode concludes with a debate on the history of code comments and a story about a 65-day airplane endurance flight.

## Chapters

- [0:01](https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and#t=1) Introduction and Remoticon Keynotes
- [5:59](https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and#t=359) RC Car Ceiling Navigation Hack
- [13:31](https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and#t=811) Magic Screw and Water Rocket Builds
- [24:47](https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and#t=1487) DIY E-Bike and Analog Electronics Hacks
- [33:02](https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and#t=1982) Motorized Omni-Wheel White Cane
- [37:41](https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and#t=2261) Quick Hacks and Code Comments History
- [48:15](https://hardwarepodcasts.com/podcast/hackaday-podcast/2021-10-29-ep-142-65-days-of-airtime-racecars-staring-at-the-ceiling-a-pushy-white-cane-and#t=2895) 65-Day Airplane Flight Story

## Topics

- [Mechanical engineering](https://hardwarepodcasts.com/topic/mechanical-engineering)
- [Embedded firmware](https://hardwarepodcasts.com/topic/embedded-firmware)
- [Prototyping & iteration](https://hardwarepodcasts.com/topic/prototyping)
- [Careers & education](https://hardwarepodcasts.com/topic/engineering-careers-and-education)
- [Maker community & events](https://hardwarepodcasts.com/topic/maker-community)

## Most relevant to

makers and hobbyists

## Mentioned

- Hackaday (company)
- Remoticon (other)
- Alicia White (other)
- Andy (other)
- Andrew Klein (other)
- EDM (tool)
- Air Command Rockets (other)
- DIY King (other)
- Trek (company)
- Ali Express (company)
- 33 MER (other)
- Encyclopedia of Electronic Circuits (other)
- Rudolph Graff (other)
- Stanford University (company)
- Raspberry Pi 4 (chip)
- Super Slicer (tool)
- ESP32 (chip)
- Jamie Zowinsky (other)
- Fortran (other)
- APL (other)
- Cessna 172 (product)

## Related episodes from other shows

- [Three Hundred Down, Three Hundred To Go](https://hardwarepodcasts.com/podcast/the-amp-hour/2016-05-27-three-hundred-down-three-hundred-to-go) (The Amp Hour)
- [Raspberry Pi 500, Robot Roadies, Huge 3d Printers and Car Hacking!](https://hardwarepodcasts.com/podcast/the-electromaker-show/2023-11-26-raspberry-pi-500-robot-roadies-huge-3d-printers-and-car-hacking) (The Electromaker Show)
- [41. The Tesla of Blind Canes](https://hardwarepodcasts.com/podcast/the-next-byte-podcast/2021-10-26-41-the-tesla-of-blind-canes) (The Next Byte Podcast)
- [126: Live From Supercon](https://hardwarepodcasts.com/podcast/embedded-fm/2016-08-05-126-live-from-supercon) (Embedded.fm)
- [Chaffered Chocolate Coemption](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption) (The Amp Hour)

## Citing this page

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