X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122] verified) by logan.com (CommuniGate Pro SMTP 5.2.2) with ESMTP id 2876270 for flyrotary@lancaironline.net; Mon, 28 Apr 2008 22:11:26 -0400 Received-SPF: pass receiver=logan.com; client-ip=71.74.56.122; envelope-from=clouduster@austin.rr.com Received: from [10.0.0.99] (really [70.113.77.184]) by hrndva-omta04.mail.rr.com with ESMTP id <20080429021046.OUXI5645.hrndva-omta04.mail.rr.com@[10.0.0.99]> for ; Tue, 29 Apr 2008 02:10:46 +0000 Message-ID: <4816841E.90302@austin.rr.com> Date: Mon, 28 Apr 2008 21:12:46 -0500 From: Dennis Haverlah User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] 13B sparkplugs for Renesis References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------080805010201030700010209" This is a multi-part message in MIME format. --------------080805010201030700010209 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Bobby, I used 13 B plugs in my Renesis during a lot of my ground runs - this was when we were having problems at higher rpm with the CAS not being compatable with the EC-2. Once we added the zenor diode and resistor I compared both the 13 B and Renesis plugs. I did not see any notable difference in ground testing. I now have over 85 hours on the original Renesis plugs that came with my engine (9,500 miles on the car when it was wrecked). I use nothing but Mogas and have my fuel pumps mounted on the floor behind the firewall of my RV-7A. I have not had any vapor lock problems at temps above 95 deg. in the summer. Several days ago several posts showed problems with cowl interference with 13 B engines. I've found that when using the Renesis engine the water pump outlet, alternator mount and oil fill can easilly be modified to fit the RV-7A using the James Rotary cowl. Dennis H. Bobby J. Hughes wrote: > Any problems using 13B sparkplugs in the Renesis. I have a set of the > expensive Renesis plugs but would prefer to use less expensive ones > for the first few hours. I seem to be running out of things to wire so > I may attempt an engine start in a couple of weeks. > > Bobby J Hughes > --------------080805010201030700010209 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Bobby,

I used 13 B plugs in my Renesis during a lot of my ground runs - this was when we were having problems at higher rpm with the CAS not being compatable with the EC-2. Once we added the zenor diode and resistor I compared both the 13 B and Renesis plugs. I did not see any notable difference in ground testing. I now have over 85 hours on the original Renesis plugs that came with my engine (9,500 miles on the car when it was wrecked). I use nothing but Mogas and have my fuel pumps mounted on the floor behind the firewall of my RV-7A. I have not had any vapor lock problems at temps above 95 deg. in the summer.

Several days ago several posts showed problems with cowl interference with 13 B engines. I've found that when using the Renesis engine the water pump outlet, alternator mount and oil fill can easilly be modified to fit the RV-7A using the James Rotary cowl.

Dennis H.

Bobby J. Hughes wrote:

Any problems using 13B sparkplugs in the Renesis. I have a set of the expensive Renesis plugs but would prefer to use less expensive ones for the first few hours. I seem to be running out of things to wire so I may attempt an engine start in a couple of weeks.

Bobby J Hughes

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