Firstly best of luck with your new boat,i picked a 5.85 up from RC last september,the boat has more than compatently handled all I've asked of it,
I have a DF150, ultimately end up with a 25" with the boat doing 46knots at5,900...I also had a go with the 23" this was over revving and 45knts.
If I were you I would be looking a 4 blader,the 150 engine gives me the impression that torque is plentifull with the boat catching up to the engine during acceleration so I'm now looking at 4 bladers.
Originally Posted by dwalters
Firstly, I picked up my new Ribcraft 6.5 last week, which as expected has been fantastically built by the guys at Ribcraft. Many thanks to all them for producing such a good boat.
Following the run in at the weekend, I got the opportunity to give it full chat for a few minutes. The boat has a Suzuki DF175 on it which has a max rev range of 5,500 to 6,100 rpm.
On the run my boat max'd out at 4,800 rpm and 38 knots (SOG). Whilst I am not usually concerned about top speed, I do beleive this is considerably less than what the engine is capable of. Does anyone have any comments about whether this is just a prop change or something else (I am afraid I forgot to look at what pitch I was running).