X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 22 Aug 2007 12:18:59 -0400 Message-ID: X-Original-Return-Path: Received: from imo-d23.mx.aol.com ([205.188.139.137] verified) by logan.com (CommuniGate Pro SMTP 5.1.11) with ESMTP id 2278340 for lml@lancaironline.net; Wed, 22 Aug 2007 10:53:48 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.137; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d23.mx.aol.com (mail_out_v38_r9.2.) id q.d5c.fe20f01 (14502) for ; Wed, 22 Aug 2007 10:53:06 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: X-Original-Date: Wed, 22 Aug 2007 10:53:06 EDT Subject: Re: [LML] Re: wing leak X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1187794386" X-Mailer: 9.0 Security Edition for Windows sub 5373 X-Spam-Flag: NO -------------------------------1187794386 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 8/22/2007 9:33:39 A.M. Central Daylight Time, kyrilian_av@yahoo.com writes: I tested my Legacy wings by plugging all but two holes and covered the vent and fuel cap (latched) with packing tape. I then installed barbed fittings to the two remaining threaded holes and put a party balloon over one and a tube on the other. I then compressed the tank and balloon through the tube until the balloon was filled and capped the tube. I checked all the plumbing and capped holes with soap bubbles, but saw no signs of leaks. However, the balloon was partially deflated the following day. A tied-off test balloon didn't deflate measurably, so I must presume that the air didn't bleed through the balloon. Does anyone have any ideas for further leak tests? Kyrilian, Yes. Did you then reverse the balloons? There is no guarantee that the one on the plane did not have a leak (presumption). Otherwise, use high quality condoms as the Surgeon General's Office warranties that they are free of leaks. The other problem with these tests is a change in the barometric pressure. Higher baro, smaller balloon and vice versa. Maybe a better test would be to use a water tube loop mounted vertically and calibrated in inches. Take a barometric reading when sealed and also the next day and correct the resultant water level reading. This way use can test with both positive and negative pressure. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) Darwinian culling phrase: Watch This! ************************************** Get a sneak peek of the all-new AOL at http://discover.aol.com/memed/aolcom30tour -------------------------------1187794386 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 8/22/2007 9:33:39 A.M. Central Daylight Time,=20 kyrilian_av@yahoo.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>I tested=20 my Legacy wings by plugging all but two holes and covered the vent and fue= l=20 cap (latched) with packing tape.  I then installed barbed fittings to= the=20 two remaining threaded holes and put a party balloon over one and a tube o= n=20 the other.  I then compressed the tank and balloon through the tube u= ntil=20 the balloon was filled and capped the tube.  I checked all the plumbi= ng=20 and capped holes with soap bubbles, but saw no signs of leaks.  Howev= er,=20 the balloon was partially deflated the following day.  A tied-off tes= t=20 balloon didn't deflate measurably, so I must presume that the air didn't b= leed=20 through the balloon.

Does anyone have any ideas for further leak=20 tests? 
Kyrilian,
 
Yes.  Did you then reverse the balloons?  There is no guarant= ee=20 that the one on the plane did not have a leak (presumption).  Otherwise= ,=20 use high quality condoms as the Surgeon General's Office warranties that the= y=20 are free of leaks.
 
The other problem with these tests is a change in the barometric=20 pressure.  Higher baro, smaller balloon and vice versa. Maybe a better=20= test=20 would be to use a water tube loop mounted vertically and calibrated in=20 inches.  Take a barometric reading when sealed and also the next day an= d=20 correct the resultant water level reading.  This way use can test with=20= both=20 positive and negative pressure.
 
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL=20 (KARR)

Darwinian culling phrase: Watch=20 This!



Get a sneak p= eek of the all-new AOL.com.
= -------------------------------1187794386--