How in the world do you mount props

[ofiesens2]

I've been flying on and off since 2012 and I've never figured out how to mount props on the large C pack motors . Ordered a bunch of props recently but virtually none of them have the 6mm hub big enough to fit on the prop shaft of the EMAX 22-15-09 and Radial 2218B.
Is the solution to drill out the hubs of the props that are too small? A couple hard landings and I'm quickly running out of props that fit, even though I have dozens sitting around that have never been used because the hubs are too small lol.

Maybe a better question is: how do you know what props to buy so that they will fit those 6mm shafts?
Cheers. Stay healthy everyone.

 

[Tench745]

Yes, the solution is to drill out the hubs. Using a Reamer will get you a hole that is centered more accurately than just using a twist-drill though.

 

[Aireal Anarchist]

Maybe a better question is: how do you know what props to buy so that they will fit those 6mm shafts?

most of us buy props with interchange spacers such as in the "APC prop" example below

 

[Nice]

Nice

 

[leaded50]

you can also by prop mount adapters with other size..

 

[Nice]

Nice