/diy/ - Do It Yourself

>>1278514
Generally I'd bet that anything strong enough to actually protect the prop would negatively effect efficiency too much to be worth it, either aerodynamically or just the added weight. Props are spinning fast enough that if they hit pretty much anything at speed they're going to break, there's no real gentle nudging at 10k rpm
There are ducted quads though, where they put the prop in a tube. Supposedly it helps with force in some way, but it does a lot better job at protecting the blades than something attached to them would.