[C320-list] Yanmar 3Gm30 typical fuel consumption?

[jbrown5093 at yahoo.com]

Guess that's why it would be nice to have a working, accurate fuel gauge which at the moment I don't have.
Jim Brown

Sent from my iPad

> On Jun 5, 2016, at 8:53 AM, John Meyers <jcmeyers7 at gmail.com> wrote:
> 
> I am so sorry/dyslexic. I meant to write that I get 2.2 hours per gallon.
> 
> John Meyers
> 
>> On Sun, Jun 5, 2016 at 8:47 AM, Graeme Clark <cg at skyflyer.co.uk> wrote:
>> 
>> Now I'm confused! Some people saying 0.75 and others 2.2 gal per hour!
>> My typical average is under 0.5 but that includes a lot of gentle
>> pottering so probably more when sustained high rom, obviously
>> 0.75 sounds sensible. 2.2 sounds mad!
>> Graeme
>> 
>> Sent from mobile: please excuse typos etc.!
>> 
>> 
>>> On 5 Jun 2016, at 11:39, John Meyers <jcmeyers7 at gmail.com> wrote:
>>> 
>>> On my 1997 3GM30 last year I got 2.2 gallons per hour for the 23 gallons
>>> that I use all year. That was a mix rpms  from 1500 to 3000. I do have a
>> 3
>>> big bladed feathering propeller that may have something to do with that.
>>> 
>>> John Meyers
>>> Muskegon MI
>>> Wind Chime #406
>>> 
>>>> On Sat, Jun 4, 2016 at 12:53 PM, John Frost <john at frostnet.net> wrote:
>>>> 
>>>> The spec for my 3YM30 (Note the Y) has a chart that says approximately
>>>> .3GPH @2000RPM
>>>> .4GPH at 2250RPM
>>>> .6GPH at 2500RPM
>>>> 1.1GPH at 3000RPM
>>>> 1.3GPH at 3250RPM
>>>> 1.7GPH at 3500RPM
>>>> 1.9GPH at 3650RPM
>>>> 
>>>>                                        +
>>>> Happy Sailing!          /||\
>>>> John                           / ||  \
>>>>                                 /    ||    \
>>>>                               /      ||      \
>>>>                             /        ||        \
>>>>                           /          ||          \
>>>>                         /            ||            \
>>>>                       /              ||              \
>>>>                     /                ||                \
>>>>                   /                  ||                  \
>>>>                 /                    || Hull 1118 \
>>>>               /                      ||                      \
>>>>             /                        ||                         \
>>>>           /     Catalina     ||                           \
>>>>         /     C320MKII    ||                             \
>>>>       /            2007         ||                                \
>>>>     /                                ||_____________\
>>>>   /_____________||____
>>>>   _________/__________\_____|__
>>>>    \              Lake Guntersville, AL                    l_
>>>>     \________________________________)
>>>>                                 \       |
>>>> |  |
>>>>                                   \__|
>> |_|
>>>> -----Original Message-----
>>>> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com] On
>>>> Behalf Of Karl Mielenhausen
>>>> Sent: Saturday, June 4, 2016 11:32 AM
>>>> To: C320IA Discussion List
>>>> Subject: Re: [C320-list] Yanmar 3Gm30 typical fuel consumption?
>>>> 
>>>> Yanmar literature states 0.3 gpm (actually 1.1 lpm) at 1800 rpm.
>>>> 
>>>> Karl
>>>> 
>>>>> On Sat, Jun 4, 2016 at 10:16 AM, Graeme Clark <cg at skyflyer.co.uk>
>> wrote:
>>>>> 
>>>>> Hi all. I have a broken fuel gauge and we have logged 30 hours since
>>>>> tank was last filled. The local fuel supplier has had a breakdown and
>>>>> I'm some considerable distance from next nearest, with light to calm
>>>> winds!
>>>>> Trying to assess my likely remaining fuel. Of that 30 hrs a large part
>>>>> has been sub 1500rpm just mooring up etc I'm thinking about 0.4 gal/hr
>>>>> maybe 0.5 to be conservative. I have a spare gallon can also!
>>>>> Anyone have a better guess?
>>>>> Thanks
>>>>> Graeme
>>>>> #366, currently in the Isles of Scilly!
>>>>> 
>>>>> 
>>>>> Sent from mobile: please excuse typos etc.!
>> 
>>