And, a dirty prop.... I was picking up a donated boat for our museum a couple
of years ago. It was dirty, but I figured it would make it - at black smoke
rpm's, it was going about a knot. Hauled it and the prop was just a round ball
of goop. Clean it up and then test it.
Gary
----- Original Message -----
From: Josh Muckley via CnC-List
To: C&C List ; Paul Baker
Sent: Friday, August 15, 2014 8:15 PM
Subject: Re: Stus-List Prop size/pitch for a Yanmar 1GM10 in a 27 MkII
It is hard to say but a dirty bottom CAN be that big of an effect.
Josh
On Aug 15, 2014 6:20 PM, "Paul Baker via CnC-List" <cnc-list@cnc-list.com>
wrote:
Hi Folks,
Any 27MkII folks out there with a Yanmar 1GM10 diesel? What prop do you
have on there, and is it able to achieve max rpm under load? I can't recall
what I have (3 blade but don't know size/pitch) but at 2700rpm I am billowing
black smoke and still only doing 5kts. Dirty bottom is going to contribute to
this, plus some junk on the prop itself, but I wouldn't have thought it would
be *that* big an effect.
Cheers,
Paul
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