X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 08 Sep 2011 02:09:07 -0400 Message-ID: X-Original-Return-Path: Received: from mta1.srv.hcvlny.cv.net ([167.206.4.196] verified) by logan.com (CommuniGate Pro SMTP 5.4.1) with ESMTP id 5116849 for lml@lancaironline.net; Wed, 07 Sep 2011 16:33:44 -0400 Received-SPF: none receiver=logan.com; client-ip=167.206.4.196; envelope-from=Adam@ValidationPartners.com Received: from VpiWorkstation1 (ool-45771190.dyn.optonline.net [69.119.17.144]) by mta1.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTP id <0LR6007VJ6F67OC0@mta1.srv.hcvlny.cv.net> for lml@lancaironline.net; Wed, 07 Sep 2011 16:33:07 -0400 (EDT) X-Original-Date: Wed, 07 Sep 2011 16:33:39 -0400 From: Adam Molny Subject: RE: LIV 28v to 14v In-reply-to: X-Original-To: 'Gary Casey' , lml@lancaironline.net X-Original-Message-id: <55BDE86B85894B71B75274A82BB2EDB0@VpiWorkstation1> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.6109 X-Mailer: Microsoft Office Outlook 11 Content-type: multipart/alternative; boundary="Boundary_(ID_5mVIYHyuycIyvGZKeQHqMg)" Thread-index: AcxtbIVdoa+gZsvMT+2kSdunwbQG3gAME9Eg References: This is a multi-part message in MIME format. --Boundary_(ID_5mVIYHyuycIyvGZKeQHqMg) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Another option is to seek out an IO-550 owner who wants to convert his engine from 14v to 28v. You can swap alternators and starter with him and it will only cost you shipping (plus new gaskets). Adam Molny Legacy #151 _____ From: Gary Casey [mailto:casey.gary@yahoo.com] Sent: Wednesday, September 07, 2011 8:05 AM To: lml@lancaironline.net Subject: Re: LIV 28v to 14v 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 you have dual alternators. Just another way out that might work for you. Gary Casey _____ I'm not familiar with the LIV speed brakes. If they're cable operated, where does the 14V come in ? If the 14V is just for the indicator lights then no problem, replace the bulbs. As for the 14V hydraulic pack and heated pitot, those are two of the heaviest uses of electricity. Inverters or dropdown regulators are not practical. Replace them with 28V units. The question is what is less cost, replacing those two units with 28V or replacing the dual alternators with 14V Wolfgang I have 14v (a) Precise Flight cable operated speed brakes; (b) hydraulic pack; and (c) heated pitot tube all installed and working in my LIV project. However I have acquired a TSIO 550B with a (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. I am wondering if it is possible/advisable to run a 28v system but utilize my 14v equipment by installing individual transformers for some or all of (a), (b) or (c) above? Thanks for any advice any of you may have. --Boundary_(ID_5mVIYHyuycIyvGZKeQHqMg) Content-type: text/html; charset=us-ascii Content-transfer-encoding: 7BIT

Another option is to seek out an IO-550 owner who wants to convert his engine from 14v to 28v. You can swap alternators and starter with him and it will only cost you shipping (plus new gaskets).

Adam Molny

Legacy #151

From: Gary Casey [mailto:casey.gary@yahoo.com]
Sent: Wednesday, September 07, 2011 8:05 AM
To: lml@lancaironline.net
Subject: Re: LIV 28v to 14v

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 you have dual alternators. Just another way out that might work for you.

Gary Casey

I'm not familiar with the LIV speed brakes. If they're cable operated, where does the 14V come in ? If the 14V is just for the indicator lights then no problem, replace the bulbs.

As for the 14V hydraulic pack and heated pitot, those are two of the heaviest uses of electricity. Inverters or dropdown regulators are not practical. Replace them with 28V units.

The question is what is less cost, replacing those two units with 28V or replacing the dual alternators with 14V

Wolfgang

I have 14v (a) Precise Flight cable operated speed brakes; (b) hydraulic pack; and (c) heated pitot tube all installed and working in my LIV project. However I have acquired a TSIO 550B with a (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. I am wondering if it is possible/advisable to run a 28v system but utilize my 14v equipment by installing individual transformers for some or all of (a), (b) or (c) above? Thanks for any advice any of you may have.

--Boundary_(ID_5mVIYHyuycIyvGZKeQHqMg)--