Turnigy RotoMax 1.60 Brushless Outrunner Motor

I have a Rotomax 1.60 and have purchased both APC 20x12e and Turnigy 20x12e props. Neither props have large enough hubs to drill out for the hub bolts. There is NO nurling on the back plate so how do I stop the prop from slipping.

made a fast video of testing it the same i day i received it ...

https://www.youtube.com/watch?v=NL4J9YwDyDk

Having now 15 flights on this setup:
Turnigy K-Force 120A-HV medium timing, 10s 5000 Zippy Compact (cheap but overrated, around 4400 true capacity), wooden prop 20x8 Menz, Current at full battery: 80A. Pulls endlessly powerful vertical on my 75" 3D Katana, 5.8kg AUW. Smooth running, no temperature issues. This is the reward when you don't go beyond the specs... Therefore 5 stars.
Prop 19x10 on 10s is alternative for faster planes.
NOTE1: suggested prop 21x13 seems for 8s max. It will overload and burn the motor / ESC at 10s.
NOTE2: Do NOT try Dlux or YEP, they seem incompatible with these motors.

Could be less weight vs power but good overall.
Run it on 10s 5800mah compact zippy and 80A with HK wood prop 19x10
19x12 was too much, Lipo cell become swollen.... Have it in HK Slick 540 30cc, 7kg and unlimited, gives 8 min flight time and 30pcnt remaining in Lipo.

With 10S Zippy Compact 5800 and a Wood Turney 19x12 it gives 7400 rpm
@3300w 90 A
I would like this motor a 150-200 gram lighter. Just run it for 4 flight in HK Slick 540 30cc size, flight weight is 6600 gram

Seems to be well made. 4 bolt prop mounting is a good system. The 10mm main shaft is tapped M4 to suit centrally fixed spinners. I'm using a Xoar 21" x 12" electric wood prop. Flying a 'Turning Trix' 1920mm wingspan aerobatic aircraft weighing 5.7Kg. Using 2 x 5S 40C LiPo in series and 120A opto ESC with 15A HV BEC. So far so good. Motor bearings are quiet and seem large enough to deal with some abuse. Mounting using stand-offs is simple and tidy. Fits in a reasonably tight cowl without modifications. Weight is good at 850grams for the 3kW output. I recommend it totally.

I have just run test and measurment on it.
Forget APC21x12 it is way over 80 amp with 10s
19x12 Turnigy Wood gives 90 A just at startup on new sharged acc.
I would like it to be 200 gram lighter...
Lot of motor for the money

With 10S Lipo:

APC 19X10E
7800RPM
30OO Watt
77 Amp

APC 20X10E
7500RPM
3334 Watt
87 Amp

APC 20X12EW
7400RPM
4020 Watt
105 Amp

Zippy 5800 good for 4~5 min flying with APC20x10E

motore di altissima qualit e prestazioni... con l'elica consigliata spinge tantissimo... l'ho usato per creare un paramotor e devo dire che s sale ad una buona velocit... peccato per l'acquisto di una esc sbagliata (turnigy sitilon hv 100) che ho bruciato... per il resto prestazioni e potenza incredibili

Who can me urgently help?
I have a Rotomax 1.60 but with Turnigy dlux 160A HV Brushless Speed Controller (OPTO) he works bad.
During Flight Motor runs irregular like a bad engine and if I take fullspeed Motor blocked.
Because of this Situation I am very angry!
Can I use for Rotamax better a turnigy Sentilion 100HV?
I am flying with 10s Lipo
Please help me