Andy Hecker wrote:

I'm looking for folks flying rotaries that want to donate 3 ounces of used
oil to the group.  I'm looking for as many types of oil as possible and at
least a Ross and RWS geardrive.

Here's the deal:  I'll coordinate off-line with each donor.  I'll ship an
oil sample kit and extraction pump in time for the next oil change.  The
sample kits and postage to the test center will be prepaid by me.  The
extraction pump can then be returned to me, or just forwarded on to the next
participant.

I'll get the analysis reports from the lab as they come in and report back
to the group; the reports and data become ACRE property.

What's in it for the participants?  A complete analysis of the oil includes
all wear metals, fuel and glycol percentages, and oxidation/nitration data,
and viscosity data.  We'll be able to see how each engine is doing, see how
the oil is doing, and see what the gear drives might be doing to the oil.
We can also determine a real-world change interval.  You might still want to
change at 10 or 50 or ? hours, but you'll know if your change interval is
conservative or not.

More data is good here, and you have to change oil eventually...  Who's in?

Andy
Ahecker@satx.rr.com
San Antonio
210 392-3631

Allo Andy
I fly a Zenair Zenith 200 powered with a 1986 13B with a 1985 Mazda electronic 
distributor and a 2.105:1 cogbelt PSRU. Engine oil is Mobil 1 and I add  
outboard two cycle oil in the fuel at 130:1 ratio.
I am located in Sorel-Tracy Municipal Airport in the Province of Québec, Canada.
Yvon Cournoyer
ZZ-200--C-FCPB.

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