X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qmta11.emeryville.ca.mail.comcast.net ([76.96.27.211] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with ESMTP id 4960479 for flyrotary@lancaironline.net; Thu, 28 Apr 2011 09:52:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=76.96.27.211; envelope-from=hoursaway1@comcast.net Received: from omta17.emeryville.ca.mail.comcast.net ([76.96.30.73]) by qmta11.emeryville.ca.mail.comcast.net with comcast id d1ar1g0041afHeLAB1s8VT; Thu, 28 Apr 2011 13:52:08 +0000 Received: from sz0081.ev.mail.comcast.net ([76.96.26.137]) by omta17.emeryville.ca.mail.comcast.net with comcast id d1s71g00c2xV6SL8d1s7CJ; Thu, 28 Apr 2011 13:52:08 +0000 Date: Thu, 28 Apr 2011 13:52:07 +0000 (UTC) From: hoursaway1@comcast.net To: Rotary motors in aircraft Message-ID: <84941983.4369900.1303998727807.JavaMail.root@sz0081a.emeryville.ca.mail.comcast.net> In-Reply-To: Subject: Re: [FlyRotary] Re: Oil pickup MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_4369899_2098296031.1303998727806" X-Originating-IP: [173.168.67.22] X-Mailer: Zimbra 6.0.5_GA_2431.RHEL5_64 (ZimbraWebClient - IE8 (Win)/6.0.5_GA_2427.RHEL4) ------=_Part_4369899_2098296031.1303998727806 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Shouldn't the O-ring be garded by some kind of a wall to stop it from being= sucked into the tube from pump pulling up oil, don't step mill, cut a groo= ve instead.=C2=A0=C2=A0 ( just my .42 cents worth,=C2=A0 everything cost mo= re with this administation )=C2=A0 David R. Cook=C2=A0=C2=A0 RV6A=C2=A0 Rot= ary=C2=A0 ( here in sunny New Port Richey FL untill Sat.)=20 ----- Original Message -----=20 From: Lehanover@aol.com=20 To: "Rotary motors in aircraft" =20 Sent: Tuesday, April 26, 2011 7:37:43 PM=20 Subject: [FlyRotary] Re: Oil pickup=20 When I ran the internal pump, I lapped the pickup tube flange dead flat.=20 I installed the pickup with=C2=A0no gasket. Torqued the little bolts and sa= fetied them. =C2=A0Worked fine. Maximum possible pressure involved is less = than 14.7 pounds. Will never happen. Those "O" rings would be sooooo nice. = Go for it.=20 Lynn E. Hanover=20 In a message dated 4/26/2011 3:11:04 P.M. Atlantic Daylight Time, dale.r@co= x.net writes:=20 Hi All,=20 =C2=A0=C2=A0 Well the last 21 months have been way too interesting.=C2=A0 H= owever, I'm back building again, and my machine shop is functional.=20 =C2=A0=C2=A0 I most humbly apologize if I missed in communicating with anyo= ne during that time.=C2=A0 I will admit, I was very discouraged, and just d= idn't check my personal mail accounts for weeks (months?) at a time.=C2=A0= =20 =C2=A0=C2=A0 I am currently making a spacer for the oil pickup to compensat= e for the thickness of the bed mount.=C2=A0 What I'd like to obtain from th= e wisdom of those who have gone before is whether it is worth machining int= o it step(s) for an O-ring.=C2=A0 The current pickup seems to be using a ga= sket to seal it (I haven't tried scraping it off, yet. I know I don't need = the o-ring to hold pressure the way they have to on the filter housing, but= it can't leak the least bit of air either, right?=C2=A0 Two gaskets is pre= tty simple, but then again, two o-ring recesses is just a few minutes with = a 20mm mill cutter.=20 =C2=A0=C2=A0 Your thoughts?=20 Dale Rogers=20 COZY MkIV #0497=20 Ch. 13 in-progress=20 ------=_Part_4369899_2098296031.1303998727806 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <= div style=3D'font-family: Arial; font-size: 12pt; color: #000000'>Shouldn't= the O-ring be garded by some kind of a wall to stop it from being sucked i= nto the tube from pump pulling up oil, don't step mill, cut a groove instea= d.   ( just my .42 cents worth,  everything cost more with t= his administation )  David R. Cook   RV6A  Rotary = ( here in sunny New Port Richey FL untill Sat.)
----- Original Message = -----
From: Lehanover@aol.com
To: "Rotary motors in aircraft" <fly= rotary@lancaironline.net>
Sent: Tuesday, April 26, 2011 7:37:43 PMSubject: [FlyRotary] Re: Oil pickup

When I ran the internal pump, I lapped the pickup tube flange dead fla= t.
I installed the pickup with no gasket. Torqued the little bolts a= nd safetied them.  Worked fine. Maximum possible pressure involved is = less than 14.7 pounds. Will never happen. Those "O" rings would be sooooo n= ice. Go for it.
 
Lynn E. Hanover
 
In a message dated 4/26/2011 3:11:04 P.M. Atlantic Daylight Time, dale= .r@cox.net writes:
Hi All,

   Well the last 21 months ha= ve been way too interesting.  However, I'm back building again, and my= machine shop is functional.
   I most humbly apologize if I = missed in communicating with anyone during that time.  I will admit, I= was very discouraged, and just didn't check my personal mail accounts for = weeks (months?) at a time. 

   I am currently making= a spacer for the oil pickup to compensate for the thickness of the bed mou= nt.  What I'd like to obtain from the wisdom of those who have gone be= fore is whether it is worth machining into it step(s) for an O-ring.  = The current pickup seems to be using a gasket to seal it (I haven't tried s= craping it off, yet. I know I don't need the o-ring to hold pressure the wa= y they have to on the filter housing, but it can't leak the least bit of ai= r either, right?  Two gaskets is pretty simple, but then again, two o-= ring recesses is just a few minutes with a 20mm mill cutter.

 &= nbsp; Your thoughts?

Dale Rogers
COZY MkIV #0497
Ch. 13 in-pro= gress

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