That's basically what I did to come up with the number, downloaded the video, put it in Adobe After Effects and counted the audio peaks on the waveform, there were 22 and a bit in one second
Oh yeh forgot about my microphone. I used audacity and got 11 shots in 0.5 sec, so yeh 22 rps. The stock grease was extremely sticky and gave out 20-ish rps, replaced the grease and gave better results. I cracked it open earlier and everything is superb quality and lined up correctly. The only thing slowing it down is the factory grease... There isn't much and it's sticky as hell.
Make sure to get a mosfet on it and be certain AOE is 100% perfect. I've worked with the Lonex boxes before and AOE can sometimes be a bit off-I think they use a fatter piston head instead of sorbo for AOE correction and if it's the case with yours I would reccomend correcting further with sorbo
Think you will be just under 30 even with a fet - but that is a good thing. over 30 & you will be closer to PE unless you short stroke or running a light piston plus faster rof usually means more wear. 20+ is good, 30+ is pushing it a bit
if still running on tamiya then you should change to deans when fitting fet. THEN you should be able to supply motor with enough juice to hit 30+ but tamiya will hold you back - but hey wtf do I know
Finally the "risk" of PE mention was said coz somebody just smashed f*ck out of their honey badger (metal teeth piston) pushing it on 11.1v - yours is plastic+metal but still it "could" happen to £180 box+motor if ya go too nutz