X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from rwcrmhc11.comcast.net ([216.148.227.151] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1111791 for flyrotary@lancaironline.net; Sat, 13 May 2006 08:42:41 -0400 Received-SPF: none receiver=logan.com; client-ip=216.148.227.151; envelope-from=wschertz@comcast.net Received: from rmailcenter91.comcast.net ([204.127.197.191]) by comcast.net (rwcrmhc11) with SMTP id <20060513124145m110097mcue>; Sat, 13 May 2006 12:41:55 +0000 Received: from [24.7.194.200] by rmailcenter91.comcast.net; Sat, 13 May 2006 12:41:44 +0000 From: wschertz@comcast.net To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Airworthiness Date: Sat, 13 May 2006 12:41:44 +0000 Message-Id: <051320061241.23820.4465D408000899CA00005D0C2207020853969B9D0A080C9C99@comcast.net> X-Mailer: AT&T Message Center Version 1 (Apr 11 2006) X-Authenticated-Sender: d3NjaGVydHpAY29tY2FzdC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_23820_1147524104_0" --NextPart_Webmail_9m3u9jl4l_23820_1147524104_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Al, For ground test only, while setting the tuning parameters, why can't you just use the furnace blower that you used for pressure drop tests? Make a transition duct to the leading edge, with the blower on the ground connected with a large scat tube? Bill Schertz -------------- Original message -------------- From: "Al Gietzen" That IS good news Al, I've been waiting for more results from your coolers. I think they are still a great idea, and I wondering if it wouldn't be possible to plumb in some small fan's for cooling during ground running? When I was helping my father re-built a VW bug, we put these niffty little fans in the heating system to increase the airflow, they were in a 2 1/2" PVC pipe [ I think..], they came w/ mounts to mount them down etc, all you'd need to do is plumb them [ I know.. into a closed wing..] so that they dump air into the cooler plenum and give you some level of cooling? They can flow something like 300CFM. Getting all the air to flow through the cooler might take a bit more work, I think that is more than a bit of work; plumbing in the little blower and; you have to close the air inlet. A hinged baffle that closes by gavity, and held open by airflow? 300 cfm would handle about 12-14 hp engine output. Could help. Where do you get the little blowers? Al -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ --NextPart_Webmail_9m3u9jl4l_23820_1147524104_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

Al,

For ground test only, while setting the tuning parameters, why can't you just use the furnace blower that you used for pressure drop tests? Make a transition duct to the leading edge, with the blower on the ground connected with a large scat tube?

Bill Schertz

-------------- Original message --------------
From: "Al Gietzen" <ALVentures@cox.net>

That IS good news Al, I've been waiting for more results from your coolers. I think they are still a great idea, and I wondering if it wouldn't be possible to plumb in some small fan's for cooling during ground running? When I was helping my father re-built a VW bug, we put these niffty little fans in the heating system to increase the airflow, they were in a 2 1/2" PVC pipe [ I think..], they came w/ mounts to mount them down etc, all you'd need to do is plumb them [ I know.. into a closed wing..] so that they dump air into the cooler plenum and give you some level of cooling? They can flow something like 300CFM.

Getting all the air to flow through the cooler might take a bit more work,

I think that is more than a bit of work; plumbing in the little blower and; you have to close the air inlet. A hinged baffle that closes by gavity, and held open by airflow? 300 cfm would handle about 12-14 hp engine output. Could help. Where do you get the little blowers?

Al
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