From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: Renesis break-in
Date: Mon, 29 Jun 2020 06:38:23 +0800
References: <list-428145@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-428145@logan.com>
Message-Id: <9C513636-5699-44BD-BDAD-E4EEFED0F99F@gmail.com>

Hi Lynn

Having the throttle body horizontal and below the engine, can I use that =
cleaning trick by using a pray bottle to get the (1 cup of water / >2 =
minutes) in?

Steve Izett


> On 29 Jun 2020, at 1:49 am, lehanover lehanover@aol.com =
<flyrotary@lancaironline.net> wrote:
>=20
> Cheap conventional oil in the premix at about 1/2 ounce per gallon as =
well as in the crank case. The round rings are oil scrapers and are =
supposed to keep crank case oil out of the combustion chamber, same as a =
piston engine. Do not tell anybody about this.......with a warm engine =
at 2,000 RPM...slowly add 1 cup of water to the intake over several =
minutes. It will remove all of the carbon from the rotor face and free =
up sticking apex seals in most cases.  Works on piston engines as =
well....like MAGIC. Saves hours of scraping. On street cars it will plug =
up the reactor.....with carbon crap...........
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> You didn't hear it here..............Lynn E Hanover
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> In a message dated 6/28/2020 12:47:56 PM Eastern Standard Time, =
flyrotary@lancaironline.net writes:
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> On reading my last post, I just realized that the side seals =
(circular) are indeed lubricated by crank case oil  so the first part of =
my question was self-answered.
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> That still leaves the pre-mix question.
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> Sorry for the multiple stream-of-consciousness questions.
> Rich
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> In a message dated 6/28/2020 11:43:51 AM Central Standard Time, =
flyrotary@lancaironline.net writes:
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>=20
> Rethinking my last post,
>=20
> I just realized that the typical rotary, in automotive use uses =
crankcase oil for seal lubrication.
> In my assembly, I will be using pre-mix in the fuel. the crankcase oil =
will  never see the chambers (if I am lucky).
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> Any advice from you or other on this list what to use for break-in =
pre-mix?
> Since the bearings, bushing and eccentric shaft have been relatively =
untouched, (14K on engine since rebuild) it seems as synthetic in the =
case would be OK however, the rotors seem to have different needs on =
break-in
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> Rich
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>=20
> In a message dated 6/27/2020 12:08:01 PM Central Standard Time, =
flyrotary@lancaironline.net writes:
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> I used a Texaco fleet oil for two hours at 2000 RPM. Then dump the oil =
and check the filter paper for metal.
> Then 40 or 50 weight Redline racing oil. Never over 180 degrees on the =
coolant.  Then a lap at part throttle then good for 9,600 RPM at full =
throttle. No oil related failures in 35 years of racing.
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> You could do 4 hours at 2000 RPM no load or part load on fleet oil. =
Should be plenty. Never over 180 degrees.
> It worked for me...............Lynn E. Hanover
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>=20
> In a message dated 6/27/2020 10:00:22 AM Eastern Standard Time, =
flyrotary@lancaironline.net writes:
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> So I Googled break-in procedures for the RX8.
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> Less than 4000RPM for the first 600-1000 miles.
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> I don't see that happening. I don't think I can keep the RV-4 level at
> less than 4,500 RPM, depending on prop.
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> And I sure want full power at takeoff and climb to pattern altitude.
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> I guess I could run it on the ground for 10 hours at varying RPMs =
below
> 4000, but really?
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> What did you do with a new Renesis?
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> Finn
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>=20
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>=20
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