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From: "David Leonard wdleonard@gmail.com" <flyrotary@lancaironline.net>
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Date: Mon, 9 Aug 2021 20:38:14 -0700
Message-ID: <CAOFHbnqVAz6DCXXv5-CnwuTMHV-6zQ7LjFyRTLPuoth-QJJscQ@mail.gmail.com>
Subject: Re: [FlyRotary] oil supply turbo
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Hi Neil,
Great question.   I never got a lot of great info on how much oil flow I
should be feeding to turbo.  I take the supply from the oil outlet on the
top, spark plug side of the front side housing.  I run it through an
electrically operated shut-off valve in case the turbo fails in flight.  I
originally used a #30 hole in a plate of aluminum as a restrictor.  Later I
decided to omit the restrictor and just rely on the shutoff valve and AN-4
plumbing to provide enough restriction.

I have no idea if my system is correct, and I do get quite a bit of oil
seepage and mist coming from the area of the turbo, but at least the most
recent turbo has about 700 hrs on it.

Dave Leonard

On Sat, Aug 7, 2021 at 3:39 PM 12348ung@gmail.com <
flyrotary@lancaironline.net> wrote:

> Dave,
>
>             Oil supply for turbo.  Just where did you source the turbo oil
> supply on the engine?   Did you use a restrictor or regulator for the
> supply.  A regulator is about $150 plus fittings and I am inclined to go
> with that bas the turbo requires 40 PSI, whereas I can range from 120 PSI
> cold to 80 PSI Hot.
>
> Thoughts?
>
> Neil.
>

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<div dir=3D"ltr">Hi Neil,=C2=A0<div>Great question.=C2=A0 =C2=A0I never got=
 a lot of great info on how much oil flow I should be=C2=A0feeding to turbo=
.=C2=A0 I take the supply from the oil outlet on the top, spark plug side o=
f the front side housing.=C2=A0 I run it through an electrically operated s=
hut-off valve in case the turbo fails in flight.=C2=A0 I originally=C2=A0us=
ed a #30 hole in a plate of aluminum as a restrictor.=C2=A0 Later I decided=
=C2=A0to omit the restrictor and just rely on the shutoff valve and AN-4 pl=
umbing=C2=A0to provide enough restriction.=C2=A0=C2=A0</div><div><br></div>=
<div>I have no idea if my system is correct, and I do get quite a bit of oi=
l seepage and mist coming from the area of the turbo, but at least the most=
 recent=C2=A0turbo has about=C2=A0700 hrs on it.</div><div><br></div><div>D=
ave Leonard</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" clas=
s=3D"gmail_attr">On Sat, Aug 7, 2021 at 3:39 PM <a href=3D"mailto:12348ung@=
gmail.com">12348ung@gmail.com</a> &lt;<a href=3D"mailto:flyrotary@lancairon=
line.net">flyrotary@lancaironline.net</a>&gt; wrote:<br></div><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px soli=
d rgb(204,204,204);padding-left:1ex"><div lang=3D"EN-US" style=3D"overflow-=
wrap: break-word;"><div class=3D"gmail-m_5179759549947962837WordSection1"><=
p class=3D"MsoNormal"><span lang=3D"EN-AU">Dave,<u></u><u></u></span></p><p=
 class=3D"MsoNormal"><span lang=3D"EN-AU">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Oil supply for turbo.=C2=A0 Just where di=
d you source the turbo oil supply on the engine?=C2=A0=C2=A0 Did you use a =
restrictor or regulator for the supply.=C2=A0 A regulator is about $150 plu=
s fittings and I am inclined to go with that bas the turbo requires 40 PSI,=
 whereas I can range from 120 PSI cold to 80 PSI Hot.<u></u><u></u></span><=
/p><p class=3D"MsoNormal"><span lang=3D"EN-AU">Thoughts?<u></u><u></u></spa=
n></p><p class=3D"MsoNormal"><span lang=3D"EN-AU">Neil.<u></u><u></u></span=
></p></div></div></blockquote></div>

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