From: "steve Izett" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: start
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Date: Sun, 25 May 2014 08:05:45 +0800
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>

Christian, I would be interested in seeing any video.
Whats your email address.

Thanks

Steve
On 25 May 2014, at 6:07 am, Christamarmc <flyrotary@lancaironline.net> =
wrote:

> Hi Steve
> Christian here on the east coast of aus, i have a copy of a cd that =
goes through the engine rebuild process if you need one, just drop me an =
email and I'll send you a copy and can help with what I've done if you =
like
>=20
> Cheers
> Christian
>=20
> Sent from my iPad
>=20
>> On 25 May 2014, at 1:39 am, "Charlie England" =
<flyrotary@lancaironline.net> wrote:
>>=20
>>> On 5/23/2014 6:57 PM, steve Izett wrote:
>>> Hi guys
>>>=20
>>> We are just finishing our Glasair SIIRG with a Renesis 4 port.
>>> Started her up after finishing main wiring and she burst into life. =
(without prop at the moment).
>>> ~70psi oil pressure oil and water temps building. Ran it for 5 mins =
or so before shutdown not wanting temps above 200.
>>> We worked out that if we lifted the tail up we could get some more =
air out and water in.
>>> I have some questions/concerns:
>>>=20
>>> 1. Gurgling sound emanating from oil filler/breather with white =
substance on the oil dip stick. Concerned water may be getting into =
sump. What are the symptoms of o-ring failure? So much to learn re =
rotaries.
>>>=20
>>> 2. If we do need to tear it down, any great sources of how to go =
about it. Remembering years ago seeing Bruce T had a video?
>>>=20
>>> 3. We are working on an expansion tank design and wondered if =
someone could share the important elements of a good cooling system =
design. Looking at photos of other aircraft I=92ve seen lines to =
expansion tanks from A. Rear iron port. B. Radiator tank top. etc. A. Is =
height of tank significant? B. Volume required? C. How much air should =
be left in the tank? D. Cap style?.
>>>=20
>>> So much appreciate having this list.
>>>=20
>>>=20
>>> Steve Izett
>>> Perth Western Australia
>> I failed to answer several questions.
>> 1. 'Chocolate milk' looking oil does sound like coolant contamination =
(my experience was with a piston engine 40 yrs ago). You can add a =
schrader valve (tire valve) and pressure gauge to the coolant system, =
pressurize with air on top of your coolant up to your cap limit, and =
wait a day to see if it's losing pressure. (It will fluctuate slightly =
with ambient temperature, if there's much air in the system.)
>>=20
>> 2. There was a video, but I don't have one.
>>=20
>> 3B: Most automotive swirl pots I've looked at are between 1 & 2 =
quarts (sorry for the archaic measure; I live in the USA...). I've got =
several from different salvage yard cars (all with ~20 lb caps) that I =
collected to see if any would work on my installation. Upside is, most =
are translucent, making coolant level checks a lot more convenient. :-)
>>=20
>> 3D: See previous emails. A lot of guys use ~20 pound caps. This is =
higher than older automotive systems (most were ~14 lbs), but fairly =
common on newer cars with pressurized swirl pot style systems. Higher =
cap pressures are supposed to help prevent unneeded venting of coolant =
at altitude, where ambient pressure is lower & will effectively lower =
the pressure point (cap pressure is the difference between system and =
ambient).
>>=20
>> Charlie
>>=20
>> --
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>=20
> --
> Homepage:  http://www.flyrotary.com/
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