14-6 scimitar. http://www3.towerhobbies.com/cgi-bin/wt ... LXNGU4&P=7
don't confuse rpm with useable thrust. prop it in the 9500 range.
the 80's a good runner. less power thasn the 72 from the several I've flown on other peoples junk.
my 72 turns like 9500-9800 on a 13-6 scimitar. yanks my 4 lb. stuff all over the place, and they are cheap since the 82's popular now.
I've had a couple 82's, sold them. great power, shakers though. and that was before the 14-6 scimitar came out, I couldn't find a prop I liked. too many rpm for me on 13-6, tried several 14" props, wasn't satisfied.
I keep my words soft and sweet, in case I have to eat them.