Received-SPF: none
 receiver=logan.com; client-ip=68.230.241.35; envelope-from=ALVentures@cox.net
From: "Al Gietzen" <ALVentures@cox.net>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: redrive oil return
Date: Sun, 26 Sep 2004 18:27:45 -0700
Message-ID: <000d01c4a431$30d49f10$6400a8c0@BigAl>
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Importance: Normal
In-Reply-To: <list-433205@logan.com>

I would think AN6 would about minimum for the gravity flow drain.

Al

Subject: [FlyRotary] Re: redrive oil return

What size is everyone using? The inlet to the redrive is 1/8" NPT and =
the
exits are two 1/4" NPT.

On Sun, 26 Sep 2004 20:29:18 +0000, Kelly Troyer wrote
> Perry,
>   I think the AN-4 fitting could be somewhat restrictive to return
> oil flow to the pan......IMHO
>=20
> --
> Kelly Troyer=20
> Dyke Delta/13B/RD1C/EC2=20
>=20
> -------------- Original message from Perry Mick : --------------=20
> That engine mount hole in the center housing is 12mm x 1.5mm thread.
>=20
> http://www.anplumbing.com/shop/index.php?shop=3D&dept=3DAluminum
>=20
> part #9919BFG is a 12-1.5 metric to AN4 aluminum adaptor.
> How about just drilling through the iron and installing one of=20
> these? No tapping required.
>=20
> Joe Hull wrote:
>=20
> Paul-
> If you=92re looking for a new home for your PSRU oil drain; I found it =

> was really easy to drill through one of the engine mount holes on=20
> the plugs side for my oil return.  The existing stud hole sizes are=20
> just shy of the =BC NPT we need and the holes are above the oil level. =

>  I put my return into the bottom-rear hole (see picture).=20
> =20
> This of course assumes you aren=92t using the engine mount area for=20
> something strange=85like your engine mount ;-)
> =20
> Joe Hull
> Cozy MkIV #991 (working on Engine & Electrical & Finishing)
> http://www.maddyhome.com/canardpages/pages/JoeHull/index.html
> =20
>=20
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]=20
> On Behalf Of paul Sent: Sunday, August 29, 2004 7:23 PM To: Rotary=20
> motors in aircraft Subject: [FlyRotary] Re: redrive oil return, was=20
> Re: New Cooling Setup
> =20
> Hey, Steve....thanks for the pictures.  Since I already have the=20
> aluminum plate covering the oil metering pump, it would be easy to=20
> drill and tap that.  After hearing what Rusty had to say, I'm not=20
> sure if I might be better off leaving it as is.....Need to ponder=20
> this one.  Thanks for taking the time to share your pictures, and I=20
> hope your cooling temps get under control so you can just go fly and=20
> enjoy the fruits of your labor.  Paul Conner, 13b powered SQ2000
> =20
> ----- Original Message -----=20
> From: Steve Brooks=20
> To: Rotary motors in aircraft=20
> Sent: Sunday, August 29, 2004 10:17 AM
> Subject: [FlyRotary] Re: redrive oil return, was Re: New Cooling Setup
> =20
> Here are a couple of photos of mine.  =20
> =20
> Steve Brooks
> =20
> -----Original Message-----
> From: Rotary motors in aircraft=20
> [mailto:flyrotary@lancaironline.net]On Behalf Of Russell Duffy Sent:=20
> Sunday, August 29, 2004 10:30 AM To: Rotary motors in aircraft=20
> Subject: [FlyRotary] Re: redrive oil return, was Re: New Cooling Setup
> =20
> Hi, Rusty....My 13b has an aluminum plate covering the old injection=20
> pump location. Do I just drill and tap for an NPT fitting in the=20
> plate covering the old pump?=20
> =20
> Ooops, I just remembered that I'm actually returning to the turbo=20
> oil drain location on the front cover, and not the injector pump=20
> location.  When I took the turbo off, I just made an aluminum cover=20
> plate with a hole tapped for 1/4" NPT.  =20
> =20
>  You don't by chance have an old picture lying around that shows=20
> your plate and/or fitting going into the engine do you?=20
> =20
> Amazingly, I don't have a picture that shows it.     =20
> =20
>  My return line presently goes to the oil pan, but to drain the oil,=20
> I have to first remove the PSRU drain line. It would be better to=20
> run it to the oil oil injection location.  Thanks for the info. =20
> Paul Conner=20
> =20
> I ran my oil drain to the oil pan plug location on the original=20
> engine.  This violates the rule of returning oil below the level of=20
> oil in the pan, but it worked fine.  Having to remove the PSRU drain=20
> line to drain the oil was the best part of that system.  I left the=20
> line free, so I could remove it at the redrive, then lower it toward=20
> my catch pan to drain the oil.  It was totally mess-free.  I miss=20
> that now, especially when I have to drain a little oil to make up=20
> for the pre-mix scavenging.
> =20
> Rusty
>   =20
> =20
>=20
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html


--
Valley Internet WebMail (http://viclink.com)


>>  Homepage:  http://www.flyrotary.com/
>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html