> Has anyone ever tried just using an R/C airplane propellor as the cutting
> blade? That way you get both the lift and the cut with one cheap, easily
> replaceable item. You can also get them in a variety of sizes and styles
> (including 3 bladed versions).
>
> Thoughts?
>
I think an R/C propellor is expensive. How about a rubber band airplane
propellor?