----- Original Message -----
From: "Curt Kinchen"
To:
Sent: Wednesday, November 07, 2007 3:00 PM
Subject: [fairchildclub] Re: Ranger Mods
>I concur with Mike Denest. Besides I've always thought machining and
> drilling the piston, although making it similar to other aircraft
> pistons out there, might induce some unknown failure modes.
>
> MMO for the sticky rings is the answer, I believe. I quit using MMO
> for around 50 hours and sure enough upon disassembly found many
> carbon fouled/stuck rings.
>
> Curt
>
> --- In
fairchildclub@yahoogroups.com, "Mike Danielle"
> wrote:
>>
>> Hello again Mike. Not worried about approvals as my aircraft is
>> experimental. However, I don't want to go through a lot of
> gyrations and
>> money to do the mods and still see the same oil consumption I've
> been
>> experiencing. Based on your comments, I think I'll save the money.
>>
>> This is the engine your dad set up for me and it's been a good
> runner. I
>> did have the one cylinder leaking at the joint and was looking for
> the right
>> time to replace it. That time came this year when a compression
> check
>> showed an exhaust leak on the No 6 jug. On any other engine I'd
> just stake
>> the valve and clean it up. But if I had to open the cam box I
> figured, what
>> the hell, go ahead and replace both offenders. The engine had been
> using
>> 1 - 2 qts/hr tending to the high side on aerobatic flights. The
> No. 1 jug
>> had two aligned rings and they were stuck. That was also the one
> leaking at
>> the joint. I gather the remedy for this is lots of MMO. Is that
> what is
>> recommended?
>>
>> What got me started on this thread was hearing more than one person
> tell me
>> they were burning only 1pt/hr with the fancy mods. The one I
> mentioned at
>> Hood River showed up with a PT and uncowled it to reveal the
> leakiest engine
>> I've ever seen on a flyable aircraft. I'm sure it was leaking MORE
> than
>> 1pt/hr just at the case joints. But it's never polite to call
> someone a
>> liar.
>>
>> Thanks for the words of wisdom, Mike.
>>
>> Mike Danielle (Ranger Mike)
>> ----- Original Message -----
>> From: "Michael Denest"
>> To:
>> Sent: Tuesday, November 06, 2007 4:29 PM
>> Subject: Re: [fairchildclub] Re: Ranger Mods
>>
>>
>> > Interesting in that this subject occasionally pops up.
> The "Menasco Mod"
>> > is not approved for the Ranger engine and constitutes a major
> alteration,
>> > requiring supporting engineering and FAA 337 approval to
> incorporate the
>> > mod ($$$$$ and a waste of time). The key to getting low oil
> consumption
>> > is proper fit of the rings to the cylinder regardless if it is
> standard ,
>> > .010 oversize or .020 oversize. For this to work, the cylinders
> should be
>> > either standard (4.125 inch), ground to .010 over or .020 over.
> Set the
>> > ring end gap to .018 to .020 inch then assemble per the manual.
> Run the
>> > engine for an initial 25 hours on SAE 60 mineral oil then switch
> to SAE 60
>> > AD. 1 to 1.5 quarts/hr is the average consumption. Anything
> less is
>> > either fantasy or pure bull hockey.
>> >
>> > Mike
>> >
>> > Quando omni flunkus moritati
>> > (If all else fails, play dead)
>> > - "Red" Green
>> >
>> >
>> >
>> > ----- Original Message ----
>> > From: Curt Kinchen
>> > To:
fairchildclub@yahoogroups.com
>> > Sent: Tuesday, November 6, 2007 1:22:03 PM
>> > Subject: [fairchildclub] Re: Ranger Mods
>> >
>> > I suspect he means 1 -1.5 quarts per hour. If you do a search on
>> > Ranger Oil Consumption in the messages, you'll find several
>> > discussions on mods, oil use, etc.
>> >
>> > I'm on my 4th Ranger, one had all the mods(drilled pistons with
>> > chamfered ring groove, sludge plug o-rings, intake valve seals,
> tight
>> > bearings, etc), one none, one some, and my latest with none. All
>> > have used between 1-1.5 quarts depending on how hard they were
> being
>> > pushed. I've not heard anyone real happy with anything but
> standard
>> > rings.
>> >
>> > I'm don't think much, if anything, is gained with the mods. Resign
>> > yourself to using over a quart an hour and if you get a bit below
>> > that be happy. That's just the way Rangers are.
>> >
>> > The lowest reliable consumption I've ever heard of is .75
> quarts/hour.
>> >
>> > Curt Kinchen
>> >
>> > --- In fairchildclub@ yahoogroups. com, "Mike Danielle"
>> > wrote:
>> >>
>> >> Hmmmm.... Do you mean 1 to 1.5 PINTS per hour?
>> >>
>> >> MD
>> >> ----- Original Message -----
>> >> From: "Robert Webster"
>> >> To:
>> >> Sent: Monday, November 05, 2007 5:54 PM
>> >> Subject: Re: [fairchildclub] Ranger Mods
>> >>
>> >>
>> >> > It is called the Menasco Mod and is a few holes drilled below
>> > (above - it
>> >> > is an inverted engine) the oil ring on the pistons. No changes
>> > on the
>> >> > cylinder. John Ferrero did mine (J&C Aircraft Engines) and
> after
>> > break in
>> >> > about 50 hours I am down to 1 to 1.5 quarts per hour. I don't
>> > know if
>> >> > John still has new pistons or not.
>> >> >
>> >> > Bob Webster
>> >> >
>> >> >
>> >> > ----- Original Message -----
>> >> > From: Jan Servaites
>> >> > To: fairchildclub@ yahoogroups. com
>> >> > Sent: Monday, November 05, 2007 5:30 PM
>> >> > Subject: Re: [fairchildclub] Ranger Mods
>> >> >
>> >> >
>> >> > I know nothing about these Ranger mods. Would there be an on-
> line
>> >> > article that talks about them?
>> >> > Thanks in advance,
>> >> > Jan
>> >> >
>> >> > james chybicki wrote:
>> >> >
>> >> > > I believe Ed Wagner in Sheboygan, Wisconsin
>> >> > > does the Oil Modifications on the Ranger Pistons
>> >> > >
>> >> > >
>> >> > >
>> >> >
>> >> > [Non-text portions of this message have been removed]
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
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>> >> > 11/5/2007 4:36 AM
>> >> >
>> >> >
>> >> > [Non-text portions of this message have been removed]
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > Yahoo! Groups Links
>> >> >
>> >> >
>> >> >
>> >> >
>> >>
>> >
>> >
>> >
>> >
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