X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Wed, 22 Nov 2006 11:56:58 -0500 Message-ID: X-Original-Return-Path: Received: from imo-d21.mx.aol.com ([205.188.144.207] verified) by logan.com (CommuniGate Pro SMTP 5.1.2) with ESMTP id 1593711 for lml@lancaironline.net; Wed, 22 Nov 2006 11:39:55 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.207; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d21.mx.aol.com (mail_out_v38_r7.6.) id q.3c3.340edf11 (30738) for ; Wed, 22 Nov 2006 11:39:31 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: <3c3.340edf11.3295d743@aol.com> X-Original-Date: Wed, 22 Nov 2006 11:39:31 EST Subject: Re: [LML] Re: Electrical /Hydraulic system questionslancair235/320 X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1164213571" X-Mailer: 9.0 Security Edition for Windows sub 5330 X-Spam-Flag: NO -------------------------------1164213571 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 11/22/2006 10:16:10 A.M. Central Standard Time, 5zq@cox.net writes: > The fluid circuit is really a closed loop. Yes, true. And because of this the reservoir has more or less fluid in it depending on whether the gear is up or down. If there is no venting the tank will pressurize. There is a very tiny hole in the threads on the filler cap neck. Make sure that this hole is clear. I barely tighten the cap to make sure that I don't defeat the vent. If all else fails, give this a try. Bill, You are absolutely right - How easy it is to forget this detail. If fluid has been wetting that wee hole, then drying out (turning sticky) and attracting dirt it can eventually become plugged - Arrrrrgh. Hmmmmm...... Let's say we have 3 actuators with 3/8 " rods and an 8 inch stroke and 3 actuators with 1/4" rods and a 3" stroke. Uh, pi x r**2 x length ..... Say, that's about 3 cubic inches or about 1.7 oz. Assuming there is some air in the reservoir, it might not make that much of a pressure difference. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) A man has got to know his limitations. -------------------------------1164213571 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 11/22/2006 10:16:10 A.M. Central Standard Time,=20 5zq@cox.net writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>> The=20 fluid circuit is really a closed loop. 


Yes, true. And=20 because of this the reservoir has more or less fluid in it depending on=20 whether the gear is up or down. If there is no venting the tank will=20 pressurize. There is a very tiny hole in the threads on the filler cap nec= k.=20 Make sure that this hole is clear. I barely tighten the cap to make sure t= hat=20 I don't defeat the vent. If all else fails, give this a=20 try.
Bill,
 
You are absolutely right - How easy it is to forget this detail. =20= If=20 fluid has been wetting that wee hole, then drying out (turning sticky) and=20 attracting dirt it can eventually become plugged - Arrrrrgh.
 
Hmmmmm...... Let's say we have 3 actuators with 3/8 " rods and an 8 inc= h=20 stroke and 3 actuators with 1/4" rods and a 3" stroke. Uh, pi x r*= *2 x=20 length ..... Say, that's about 3 cubic inches or about 1.7 oz.  Assumin= g=20 there is some air in the reservoir, it might not make that much of a pressur= e=20 difference.=20
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)

A m= an=20 has got to know his limitations.
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