hello,
i have a 380 RIB + mercury 25hp 4stroke EFI. wot 5000-6000
current performance: max speed one person on board 22-22,5 knots GPS, max revs cca 5400RPM.
now i have a stock 9,5 x 11 pitch alu prop.
i am looking for top speed and cruising, should i drop the pitch do 9"-10" to rev the...
