Prop help with motor swap needed

[SweetZ28]

Hi guy's I have a fighter 550 boat and i took the stock motor out that was 16,500RPM @7.2V now i put in a traxxqas titan 12 motor it is 23,000RPM @7.2V ...Now my ? is i had i beleive the stock prop on the fighter 550 and it looks huge it's about a inch and 3/4's round...... Now will this prop be good on the titain 12 motor?.... or should i put something else on there? another thing how can i tell what type of prop is used on the stock fighter 550?

THANKS

[pompebled]

Hi THANKS,

The stock prop on the ABC 550 Fighter is tailored to the modestly revving stock motor.
If you put in a hotter motor, start with a smaller prop, 36mm or something like that and work your way up.

Regards, Jan.