---
title: "Why You Probably Shouldn’t DIY A Car Airbag"
url: https://daily.dev/posts/why-you-probably-shouldn-t-diy-a-car-airbag-hnzzrryu4
source_url: https://hackaday.com/2026/05/10/why-you-probably-shouldnt-diy-a-car-airbag
type: article
source: "Hackaday"
published: 2026-05-10T14:23:14.653Z
updated: 2026-05-10T14:23:47.165Z
tags: ["hardware", "embedded", "automotive"]
reading_time: 2
upvotes: 0
comments: 0
language: en
---

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# Why You Probably Shouldn’t DIY A Car Airbag

**[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 0 upvotes · 0 comments

## Summary

A DIY airbag experiment by an Australian maker explores whether a car airbag can be replicated using low-tech components: an inertial fuel cut-off switch as the crash sensor, a compressed-gas cylinder instead of a pyrotechnic gas generator, and a pillowcase as the bag. The experiment reveals why commercial airbags use gas generators — they produce large volumes of gas far more quickly and compactly than alternatives. The conclusion is that off-the-shelf airbag units are cheap, well-tested, and essentially impossible to beat with DIY methods, making any real-world DIY airbag a dangerous proposition.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://hackaday.com/2026/05/10/why-you-probably-shouldnt-diy-a-car-airbag>

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---

Tags: [#hardware](https://daily.dev/tags/hardware), [#embedded](https://daily.dev/tags/embedded), [#automotive](https://daily.dev/tags/automotive)

[View this post on daily.dev](https://daily.dev/posts/why-you-probably-shouldn-t-diy-a-car-airbag-hnzzrryu4)