https://wiki.hal9k.dk/ 2026-05-27T23:03:33+00:00 https://wiki.hal9k.dk/ https://wiki.hal9k.dk/_media/wiki/logo.png text/html 2013-04-08T13:47:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.hal9k.dk/projects/foam_rubber_machine/english?rev=1365428868&do=diff Foam Rubber Machine Foam rubber is a fun and useful material. Having a foam rubber machine would be a great asset for HAL9K. It is a project in its own right, but can also be used for future projects. Requisites * We will aim to use as few hazardous chemicals as possible, so instead of foaming agents we will use vacuum. Thus, we must either construct or aquire a vacuum pump.