And to do that, you need unencumbered access to the fan blades. Ideally, you want a way to remove the blades — which are often referred to as a squirrel cage — so you can put this part in a ...

[Samm Sheperd] had an old squirrel cage fan taken from an electric wall heater and figured one man’s trash was an integral part of another man’s hobby and built a plane around this very ...