bumper
Well-Known Member
There's a counter to BigAl07's post, though frangible props may sacrifice themselves, limiting damage beyond a broken prop, obviously a prop still needs to be strong enough to withstand the considerable stresses involved. Manufacturers don't always get it right the first time. It's been said that prop design is part engineering/science, and part black magic. And although improvements in props is certainly by minuscule incremental steps, it's rare that something just a tiny bit better doesn't come along after each "new" design.