X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 30 Sep 2007 20:07:07 -0400 Message-ID: X-Original-Return-Path: Received: from web62511.mail.re1.yahoo.com ([69.147.75.103] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with SMTP id 2361020 for lml@lancaironline.net; Sun, 30 Sep 2007 16:44:37 -0400 Received-SPF: none receiver=logan.com; client-ip=69.147.75.103; envelope-from=charliekohler@yahoo.com Received: (qmail 77372 invoked by uid 60001); 30 Sep 2007 20:44:01 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type:Message-ID; b=0Gv0SK41qeUqb2Bsh54PvnIFG6bXEONpQB5vEP6SLdfo0MIpBgolgwFsdoUprr794aSoxB+GIDfPbuUZru0CfIW7TArL2jw/W4bQrFF/ziOC+F+M3BwR6REtGWEx1A1LevS6+6ZIjcJU/KDBG4D+e2ztJ1Q5ZVBg3iB0ej+ONmo=; X-YMail-OSG: 2GUA1vkVM1mTelDlu8gr6PSN2pZ9A.MJJsRu3SQ.chjQi00ptZKWHhsCKRO4HDCAEHlo8R312CI5LvAsF2FijFwkjCnjVbKS75BVkjHAKQy5_NM._5t6ZPqnPrPaAvQ0HKoZQ7OfRzAnKRE- Received: from [216.39.52.160] by web62511.mail.re1.yahoo.com via HTTP; Sun, 30 Sep 2007 13:44:00 PDT X-Mailer: YahooMailRC/651.50 YahooMailWebService/0.7.134 X-Original-Date: Sun, 30 Sep 2007 13:44:00 -0700 (PDT) From: Charlie Kohler Subject: Re: [LML] Re: fuel tank drains X-Original-To: Lancair Mailing List MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-106227179-1191185040=:75482" X-Original-Message-ID: <964601.75482.qm@web62511.mail.re1.yahoo.com> --0-106227179-1191185040=:75482 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Craig--=0AI do not understand=0A> "I have one and it has a pressure relief = valve in it.". Is that a bypass? Or an overboard high pressure relief syste= m?=0A=0A>"2. A gascolator is good for one thing and that is causing vapor l= ock on hot starts. Particles that do not have there own zip code are passe= d through. In 20 plus years I have never seen water come out of a gascolat= or. The gascolator in the Bonanza I fly, until the IV-P is complete, is no= t even visible let alone drainable. Drainage is done at annual. I can't p= ossibly see how that device prevents a slug of water from going through to = the engine.=0AI agree that the fuel as it travels through the engine compar= tment is going to have the potential of a vapor lock. That includes a gasco= lator.=0A=0AI disagree that it takes a zip code to be trapped there. I have= cleaned many gascolators that had very fine dust particles trapped in the = screen. And in 50 years I have seen water (and mud) in gascolators (during = preflights). =0A=0AI am not familar with the Bonanza you fly, so excuse my = ignorance, but your statement that the gascolator is not even "visible let = alone drainable" and only done at the annual?? would seem to be counter t= o FAR 23.999 1, 2ii 2iii =0ASection 23.999: Fuel system drains.=0A(a) There= must be at least one drain to allow safe drainage of the entire fuel syste= m with the airplane in its normal ground attitude.=0A(b) Each drain require= d by paragraph (a) of this section and =A723.971 must=97=0A(1) Discharge cl= ear of all parts of the airplane;=0A(2) Have a drain valve=97=0A(i) That ha= s manual or automatic means for positive locking in the closed position;=0A= (ii) That is readily accessible;=0A(iii) That can be easily opened and clos= ed;=0A(iv) That allows the fuel to be caught for examination;=0A(v) That ca= n be observed for proper closing; and=0A(vi) That is either located or prot= ected to prevent fuel spillage in the event of a landing with landing gear = retracted.=0A=0AAnd I thought that draining the gascolator (and fuel tank s= umps) prior to the first flight of the day was a standard preflight item. = =0A=0A =0ACharlie K.=0A=0APS I agree with the Shock Cooling statement! --0-106227179-1191185040=:75482 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
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Craig--
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I do not understand=
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> "I have one = and it has a pressure relief valve in it.". Is that a= bypass? Or an overboard high pressure relief system?
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>"2. A gascolator is good for one thi= ng and that is causing vapor lock on hot starts.  Particles that do no= t have there own zip code are passed through.  In 20 plus years I have= never seen water come out of a gascolator.  The gascolator in the&nbs= p;Bonanza I fly, until the IV-P is complete, is not even visible let alone = drainable.  Drainage is done at annual.  I can't possibly see how=  that device prevents a slug of water from going through to the engine= .
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I agree that the fuel as it travels through th= e engine compartment is going to have the potential of a vapor lo= ck. That includes a gascolator.
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I disagree= that it takes a zip code to be trapped there. I have cleaned many gascolat= ors that had very fine dust particles trapped in the screen. And in 50 year= s I have seen water (and mud) in gascolators (during preflights). =0A
 
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I am not familar with the Bonanza you fly, so= excuse my ignorance, but your statement that the gascolator is not even "<= FONT face=3DArial color=3D#0000ff size=3D2>visible let alone drainable"&nbs= p; and only done at the annual??  would seem to be counter to FAR = 23.999 1, 2ii 2iii =0A

Section 23.999: Fuel system drai= ns.

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(a) There = must be at least one drain to allow safe drainage of the entire fuel system= with the airplane in its normal ground attitude.

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(b) Each drain required by paragraph (a) of this secti= on and =A723.971 must=97

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(1) Discharge clear of all part= s of the airplane;

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(2) Have a= drain valve=97

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(i) That has = manual or automatic means for positive locking in the closed position;

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(ii) That is readily accessible;<= /FONT>

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(iii) That can be easily open= ed and closed;

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(iv) That allo= ws the fuel to be caught for examination;

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(v) That can be observed for proper closing; and

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(vi) That is either located or protected t= o prevent fuel spillage in the event of a landing with landing gear retract= ed.

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And I thought that = draining the gascolator (and fuel tank sumps) prior to the first flight of = the day was a standard preflight item. 

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 = ;

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Charlie K.

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PS I agree w= ith the Shock Cooling statement!
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