high rpms

[maxum454]

I ran my 27 maxum scr saturday and noticed that upon planing out, that I could not bring my rpms down to where I usually run. I usually run at 3200 doing about 21 mph. I am not sure if trim tabs are functioning.I am assuming this could be the issue. Any other suggestions. Thanks in advance.

 

[loadnet]

Re: high rpms

Was your outdrive all the way down?<br /><br />Trim tabs may be working fine if you were able to plane out.

 

[Bondo]

Re: high rpms

Just a Guess.........<br /><br />It's late in the season..... Your boat bottom is Covered with Crap...... It takes Alot more Horsepower to maintain the same attitude as the Clean hull did before ?????????????????<br /><br />You state what you Usually Run.... What did it Really Run, This Time ?????

 

[maxum454]

Re: high rpms

To captain and bondo, outdrive was pitch up after planing ever so slightly. I believe it was the "stuff" on the bottom. It seems to have broken loose and corrected itself. Bondo, I was running at 4400 usually run at 3200-3300. Thank you for your quick responce.