From: "Christian christamarmc@gmail.com" <flyrotary@lancaironline.net>
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Date: Sat, 4 Nov 2017 18:37:13 +1000
Subject: Re: [FlyRotary] overheating issue
Message-Id: <6EC9F919-501E-4769-ACA6-9E1C2F741A4B@gmail.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>

Hi Steve
Unfortunately yes, if leaking gases into the water it will get hotter,=20
When it's being run can you see bubbles arising in the overflow tank, may on=
ly present itself when it warms up.
Neil unfortunately just had this issue with a newly rebuilt motor.
I've also had this issue, I then swapped to tracy,s seals.

Hope this helps.
Cheers
Christian

Sent from my iPad

> On 4 Nov 2017, at 5:45 pm, Stephen Izett stephen.izett@gmail.com <flyrotar=
y@lancaironline.net> wrote:
>=20
> Hi guys
>=20
> Our 4 port renesis in the Glasair has begun to get hotter.
> We have been taxi testing and noticed temps rising higher than previously s=
een.
> Unfortunately also noticed a tiny weep of water and the tiniest bubble app=
ear between the rotor housing and rear plate yesterday.
> So looks like o ring failure maybe beginning.
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> Do rotaries overheat as a result of an o ring failure?
> Ive pressure tested it and it will hold ~10psi for half an hour.
> What are the important issues re overheating in rotaries?
>=20
> Thanks
>=20
> Steve Izett
> Glasair Super II RG Renesis 4 port RD1C
>=20
>=20
>=20
> --
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