X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 07 Sep 2011 08:04:52 -0400 Message-ID: X-Original-Return-Path: Received: from nm28-vm3.bullet.mail.ne1.yahoo.com ([98.138.91.158] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with SMTP id 5116182 for lml@lancaironline.net; Wed, 07 Sep 2011 07:40:06 -0400 Received-SPF: none receiver=logan.com; client-ip=98.138.91.158; envelope-from=casey.gary@yahoo.com Received: from [98.138.90.55] by nm28.bullet.mail.ne1.yahoo.com with NNFMP; 07 Sep 2011 11:39:31 -0000 Received: from [98.138.89.244] by tm8.bullet.mail.ne1.yahoo.com with NNFMP; 07 Sep 2011 11:39:30 -0000 Received: from [127.0.0.1] by omp1058.mail.ne1.yahoo.com with NNFMP; 07 Sep 2011 11:39:30 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 839481.22593.bm@omp1058.mail.ne1.yahoo.com Received: (qmail 17949 invoked by uid 60001); 7 Sep 2011 11:39:30 -0000 DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=BOsPQ7TWiX8cz37q2jJrUvikaAirnnJO7AJkajVB95iNMMLw1VIaxEeHFwjCxKMXldyqFQ00Qt/bWkx+3b1n2sl26o6kjr6+KhOHzZDDiTwUHxzqvMS/QO1J/mH4ePEE3IYNlUiR2KGo+3M2eL+wkOy0bCUVM9ytmAkofEGtQfo=; X-YMail-OSG: 4M63v34VM1kyakwZTE1c7T5k99ZZ5fkLJSoOQ7J5L92SOPJ 1Gwt0wqVV40ipLvczboE1_RJ6.0NJSIx91qSt9NyE6pQg_fpILElYLtZXVn7 ODSsZiYI3abQ5wc95gMGNEkt6EmMxsSNwTyWQHEfZJaYlUv.PCE456MaPShM dhFO4IPgqZPXkKqXVgiISFBObc9ADbPjcGLQMRwXXrkEEWNO4xvSg1.AsV3. vozH5.6M21D3ean23pLuWokTDk_HHjmNx5SxV2vbNvv7CT2LjBFcwH4Ms0AR xFkMj_4jKd1uFed94M5Tj7nCNuh9MdfPqKhrIxtnxx.9xpf5.hdIfMi03IPb K.SvW0gAcIG7aX9kyTk9fwVsN9eXFHtZ7QrEKNE6KWUuSAfKQIYW6L9jkGHQ S13TZQyEw7_4m8_LfvUm78hHNG3VvhGO7MTOl8jVL Received: from [97.122.187.47] by web125609.mail.ne1.yahoo.com via HTTP; Wed, 07 Sep 2011 04:39:30 PDT X-Mailer: YahooMailWebService/0.8.113.315625 References: X-Original-Message-ID: <1315395570.17451.YahooMailNeo@web125609.mail.ne1.yahoo.com> X-Original-Date: Wed, 7 Sep 2011 04:39:30 -0700 (PDT) From: Gary Casey Reply-To: Gary Casey Subject: Re: LIV 28v to 14v X-Original-To: Lancair Mailing List In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-925698571-1315395570=:17451" --0-925698571-1315395570=:17451 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable If you simply install a 14-Volt regulator the alternators will happily prod= uce 14V. =A0However, the maximum current output will not be as high as with= a designed-for-14V alternator. =A0Perhaps that is okay since you have dual= alternators. =A0Just another way out that might work for you.=0AGary Casey= =0A=0A=0A________________________________=0A=0AI'm not familiar with the LI= V speed brakes. If =0Athey're cable operated, where does the 14V come in ? = If the 14V is just for the =0Aindicator lights then no problem, replace the= bulbs.=0AAs for the 14V hydraulic pack and heated pitot, =0Athose are two = of the heaviest uses of electricity. Inverters or dropdown =0Aregulators ar= e not practical. Replace them with 28V units.=0A=A0=0AThe question is what = is less cost, replacing those =0Atwo units with 28V or replacing the dual a= lternators with 14V=0A=A0=0AWolfgang=0A=0A>=0A>I have 14v (a) Precise Fligh= t cable operated speed brakes; (b) hydraulic pack; and (c) heated pitot tu= be all installed and working in my LIV project. However I have acquired a = TSIO 550B with a =A0(dual alternator) 28v system. I would like to go with = the 28v system but I hate to go backwards (not to mention the expense) to = retrofit my 14v equipment. =A0I am wondering if it is possible/advisable t= o run a 28v system but utilize my 14v equipment by installing individual t= ransformers for some or all of (a), (b) or (c) above? Thanks for any advic= e any of you may have.=0A>=0A> --0-925698571-1315395570=:17451 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
<= span>If you simply install a 14-Volt regulator the alternators will happily= produce 14V.  However, the maximum current output will not be as high= as with a designed-for-14V alternator.  Perhaps that is okay since yo= u have dual alternators.  Just another way out that might work for you= .
Gary Casey

I'm not = familiar with the LIV speed brakes. If =0Athey're cable operated, where doe= s the 14V come in ? If the 14V is just for the =0Aindicator lights then no = problem, replace the bulbs.
=0A
As for the 14V hydraulic pack and heated pitot, =0Athose ar= e two of the heaviest uses of electricity. Inverters or dropdown =0Aregulat= ors are not practical. Replace them with 28V units.
=0A
 
=0A
The question is what is less cost, repla= cing those =0Atwo units with 28V or replacing the dual alternators with 14V=
=0A
&nbs= p;
=0A
Wolfgang<= /div>=0A

=0A
=0A
I have 14v (a) Precise Flight cable operated speed brakes; = =0A (b) hydraulic pack; and (c) heated pitot tube all installed and workin= g in my =0A LIV project. However I have acquired a TSIO 550B with a  = (dual =0A alternator) 28v system. I would like to go with the 28v system b= ut I hate to =0A go backwards (not to mention the expense) to retrofit my = 14v equipment. =0A  I am wondering if it is possible/advisable to run= a 28v system but =0A utilize my 14v equipment by installing individual tr= ansformers for some or all =0A of (a), (b) or (c) above? Thanks for any ad= vice any of you may =0A have.
=0A

<= /span>
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