Hey guys, I was thinking about how suction cups are used on cars/glass/windows and I wanted to understand why they wouldn’t work on walls – I imagine it’s the rougher surface of the walls with air leaking (might be wrong) but I’d like to hear a better explanation from someone here.
Following up on this would be is it possible to find a way to use suction cups (e.g. attaching a camera to them) on walls -without having to drill holes etc
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Yes, you are right about the surface roughness being the problem. Tiny air leaks will cause it to lose suction.
Attaching something expensive to a wall with suction cups isn’t a great idea. You could smooth the surface and it might hold for quite a while, but eventually it would likely fail. And then your expensive camera falls and breaks.
You’d be better off using removable adhesive strips. They can hold moderately heavy things indefinitely, and can be removed without damage to the surface (usually). Or if you don’t care about damage, superglue.
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