More Than You Wanted To Know:
http://www.refiningonline.com/EngelhardKB/crep/TCR4_29.htm
Ferg
Ao64
Well, more than I wanted, anyway.
----- Original Message -----
From: "Duncan McFadyean" <ami@mcfadyean.freeserve.co.uk>
Subject: Re: Europa-List: gas mixing
<ami@mcfadyean.freeserve.co.uk>
|
| MON = Motor Octane Number. There is no direct relationship between RON and
| MON and the difference between the two in the case of a single fuel is
used
| as a measure of temperature sensitivity.
|
| Duncan mcF.
| ----- Original Message -----
| From: "Jeremy Davey" <EuropaFlyer_3@msn.com>
| To: <europa-list@matronics.com>
| Subject: RE: Europa-List: gas mixing
|
|
<EuropaFlyer_3@msn.com>
| >
| > Richard and Ken,
| >
| > I may be wrong, but is it possible Ken is confusing octane ratings. 87
| > octane at the pumps in the US is 87 Octane MON (Mean Octane Number?),
| > whereas the 95 octane stuff we're told to use in Europa is 95 Octane RON
| > (Research Octane Number).
| >
| > The two are not the same measure, and MON gives a lower number than RON.
| > 87MON is not far from 95RON, but my recommendation would be to do an MSN
| > Search for these terms and come to an educated understanding of which
auto
| > gas you can use in the US.
| >
| > Either that, or ask a few folks flying Rotaxes what they use! :-)
| >
| > Cheers,
| > Jeremy
| >
| > Jeremy Davey
| > Europa Monowheel 537M G-EZZA
| > Europa Club Vice-Chairman, Webmaster, PFA NC Representative
| > PFA EC Member
| > If you can keep your head when all about you are losing theirs, then it
is
| > possible you haven't grasped the severity of the situation.
| > Tail done
| > Standard XS wings with mods underway
| > CM installed in fuse (with airbrakes fittings)
| > 1380 build hours to date
| > Intended fit:
| > Rotax 914 turbo, Airmaster CS fully-feathering prop
| > Lots of lights, buttons, switches, gizmos, and alarms
| >
| >
| > -----Original Message-----
| > From: owner-europa-list-server@matronics.com
| > [mailto:owner-europa-list-server@matronics.com] On Behalf Of R Holder
| > To: europa-list@matronics.com
| > Subject: Re: Europa-List: gas mixing
| >
| >
| > kenneth b. carpenter wrote:
| > > carpenter" <kbcarpenter@comcast.net>
| > >
| > > Has anyone explored the issue of mixing 50/50 87
| > > octane auto gas with 100 LL to get 93 octane gas for
| > > 914T engines? I think 912S engines also need 93 octane
| > > gas. Sounds like it would be better for the engine
| > > than 100LL alone. Ken Carpenter N 9XS 914T
| >
| > Why not just use 91 or 93 octane Auto gas !
| >
| > If you are carting auto gas into your hanger to mix it
| > with Avgas, why not just use auto gas ?
| >
| > 912 912S and 914 all run on Mogas (auto gas) and the oil
| > needs to be changed every 25 hours if more than 30% Avgas
| > is used. The oil changes are at 50 hour intervals if you
| > use Mogas.
| >
| > Mogas is also cheaper ($5 a US gal here in England)
| > compared with over $7 a US gal for AVGAS.
| >
| > Richard Holder
| > Europa TriGear G-OWWW High Cross
| >
| >
|
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