Hi Jim & Heather,
Seems more likely to be a problem with the fuel flow gauge.
When you fill up after a flight is the amount of fuel used consistent
with that shown by the meter ?
For what its worth my 912S seems to average 16-18 litres per hour at
5,000 RPM, this is consistent with the reading
on my cruzpro fuel gauge.
Regards,
Dave
On 17-Apr-10, at 12:53 PM, h&jeuropa wrote:
>
> Posted: Sat Apr 17, 2010 8:52 am Post subject: 914 Fuel Flow
>
> ----------------------------------------------------------------------
> ----------
>
> We are finally starting to fly cross country and use cruise power
> settings. We have a 914 with intercooler and Airmaster constant
> speed prop in our Europa. When using 75% power per section 10.1.1.1
> (5000 rpm 31 in Hg) we see fuel flow of 7.5 gph. Our EGTs are about
> 1450. The spark plugs have a nice tan color to them. The fuel
> consumption graph (fig. 11) suggests fuel flow should be about 5.5
> gph.
>
> If we throttle back to 5000 rpm, 29 in Hg, fuel flow drops to 6
> gph. Not sure where this setting puts us on the consumption graph!
>
> What fuel flow do others see? What power settings do others use?
>
> Is our mixture too rich and is that adjusted by changing the
> position of the needles in the carbs? Dean at Lockwood said don't
> change anything, mostly because the plug colors are correct.
>
> Thanks
>
> Jim & Heather
> N241BW
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=294546#294546
>
>
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