[C320-list] Perkins fuel consumption

[Kaare Wold]

Our 725 hr Yanmar with MaxProp consumes 0.6-0.7 gal/hr cruising at 2600-2800 rpm. Yup, she's a noisy one too.
Kaare Wold.   Sheet Music #945.

Sent from my iPad

> On Sep 3, 2015, at 7:27 AM, colloua5 at aol.com wrote:
> 
> I am also at .6 gal per hour. Little vibration above 800 rpm
> Lou
> 
> 429 
> Summergirl
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> -----Original Message-----
> From: Guy Henry <guyhenry222 at gmail.com>
> To: C320-List <C320-List at Catalina320.com>
> Sent: Thu, Sep 3, 2015 8:23 am
> Subject: Re: [C320-list] Perkins  fuel consumption
> 
> 
> My 1994 Perkins 29 HP with 1020 hours uses about .6 gals an hour over the
> last
> 500 hours.  My engine knocks at about 800 rpm but not above or below
> 800 rpm. 
> Low idle is about 500 rpm and I cruise at 2800.
> 
> Guy
> MoonShadow
> #115
> 
> -----Original Message-----
> From: C320-list
> [mailto:c320-list-bounces at lists.catalina320.com] On Behalf
> Of Louis
> spitz
> Sent: Thursday, September 3, 2015 4:57 AM
> To:
> c320-list at lists.catalina320.com
> Subject: [C320-list] Perkins fuel
> consumption
> 
> Hi all,
> My 1995 Perkins 29 hp with 875 hours uses about 2.6
> gals. of diesel per
> hour. The manual says fuel consumption at 2700 rpm should
> be about 1.6 gph.
> The exhaust is clean (not smoking). The engine knocks very
> badly at low
> rpms, say below 1000, but I don't think that's related. Also, the
> engine is
> VERY loud. I added insulation to the cover in the main cabin, but not
> yet in
> the aft cabin. 
> Any thoughts on these issues would be much
> appreciated.
> Lou Spitz
> #195, 1995 Merry Chase
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