So if you're at all like me, you've probably bought some cheap props online and at some pointed needed to ream them out to make them fit on a multirotor or some such. So here's some of the approaches I've tried and the levels of success I've had with them.
1. Drill: Don't do this. It seems like it would be perfect but the problem is that the tapered cutting edge of the drill grabs and pulls its self though the prop and will certainly not go through straight. I've done a few tests and even clamping the prop down doesn't help. If you can get a straight hole drilled with one of these you know something I don't.
2. Prop Reamer: Right so this is what you're supposed to use. However I've bought a couple of cheap ones online and they just don't work. I couldn't ream out a cheese prop let alone a nylon or even carbon fiber one.
3. Step Drill: I found one of these down at my local hardware store and thought I've give it a try. Turns out, Its awesome! Because it doesn't have a tapered cutting edge it doesn't pull its self through the prop. You can simply bore it out all the care and attention you need to make sure you do it straight. Also because its being operated by a power drill and its really sharp it will ream out a prop made of pretty much anything really nice and fast. So it may not be what the pros recommend but its sure worked for me.
Note: If you have any other ideas or experience put them in the comments and I'd be glad to include them in this list of prop reaming tools.
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