X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from elasmtp-mealy.atl.sa.earthlink.net ([209.86.89.69] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTP id 6695204 for lml@lancaironline.net; Mon, 20 Jan 2014 14:51:54 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.69; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=JetlZXBM0ki3mF77ma3wkF7yPMEWqVEhMSI4DQr54Z3yTs8sLt7CWdwLsmCM7UPo; h=Received:From:Mime-Version:Content-Type:Subject:Date:In-Reply-To:To:References:Message-Id:X-Mailer:X-ELNK-Trace:X-Originating-IP; Received: from [71.254.0.111] (helo=[192.168.1.106]) by elasmtp-mealy.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1W5KsP-0003q3-Un for lml@lancaironline.net; Mon, 20 Jan 2014 14:51:18 -0500 From: Colyn Case Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: multipart/alternative; boundary=Apple-Mail-18--376582849 Subject: Re: [LML] Re: Another take on air filtration Date: Mon, 20 Jan 2014 14:51:17 -0500 In-Reply-To: To: "Lancair Mailing List" References: Message-Id: <9E302E82-DFAB-4C24-A024-F4FFBFF4425E@earthlink.net> X-Mailer: Apple Mail (2.1085) X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da9403dee825b973167a9419c716792ac2247350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 71.254.0.111 --Apple-Mail-18--376582849 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Adam, I was intrigued with your air lack of filtration tradeoff so I = forwarded it to a young friend for interest. It happens he's worked in = a aircraft shop the last two summers. In that time they have had two = instances of having to remove birds or bird parts from inside the = cowling. In once case there was stuff in the rear-facing carb inlet. = e.g. 180 degree turn. I'm wondering if a little finer screen would be = in order? On Jan 20, 2014, at 2:13 AM, Adam Molny wrote: Bill - =20 >Curious though, do you know why the silicon dropped by almost half over = the last 100 hours? >The extra 2 quarts of oil might explain it. =20 I just read an article by Mike Busch saying that the silicone in many = sealants can find its way into the oil and silicone level will drop = after a few oil changes. My engine was freshly rebuilt before the first = flight, so that makes sense. Also, I installed a new prop shortly before = my last oil change. I had to add a quart to make up for the oil that = filled the prop hub. Adding fresh oil dilutes the dirty oil, bringing my = numbers down. However, I think Blackstone takes that into account since = they ask for the amount of make-up oil added between changes. BTW, I = change my oil and filter at 50-hour intervals and typically add 3 quarts = between changes. That works out to 1 quart every 17 hours. =20 -Adam Molny --Apple-Mail-18--376582849 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Adam, I was intrigued with your air lack of = filtration tradeoff so I forwarded it to a young friend for interest. = It happens he's worked in a aircraft shop the last two summers. = In that time they have had two instances of having to remove = birds or bird parts from inside the cowling. In once case there = was stuff in the rear-facing carb inlet. e.g. 180 degree turn. = I'm wondering if a little finer screen would be in = order?

On Jan 20, 2014, at 2:13 AM, Adam Molny = wrote:

Bill -

>Curious though, do you know why the = silicon dropped by almost half over the last 100 = hours?

>The extra 2 quarts of = oil might explain it.

I just read = an article by Mike Busch saying that the silicone in many sealants can = find its way into the oil and silicone level will drop after a few oil = changes. My engine was freshly rebuilt before the first flight, so that = makes sense. Also, I installed a new prop shortly before my last oil = change. I had to add a quart to make up for the oil that filled the prop = hub. Adding fresh oil dilutes the dirty oil, bringing my numbers down. = However, I think Blackstone takes that into account since they ask for = the amount of make-up oil added between changes. BTW, I change my oil = and filter at 50-hour intervals and typically add 3 quarts between = changes. That works out to 1 quart every 17 = hours.

-Adam = Molny

= --Apple-Mail-18--376582849--