X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp115.sbc.mail.re3.yahoo.com ([66.196.96.88] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with SMTP id 3674234 for flyrotary@lancaironline.net; Sat, 06 Jun 2009 21:09:22 -0400 Received-SPF: none receiver=logan.com; client-ip=66.196.96.88; envelope-from=downing.j@sbcglobal.net Received: (qmail 5424 invoked from network); 7 Jun 2009 01:08:45 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=NbFI+cywGT/xcmKRiX3zuumqjFu4sHiLLJA2U6V196Z+rGMGISs/SADNFvMXw3I+W88z2vcI9C7AaqEW4Xk+U7fLzrceP+A531TYO4fjXDVZ5fDRorvOf3r954xZzN9RgCyXVEiMN/S7IqwSDOLgBVxe7gZZDss/8nnYw4x0koA= ; Received: from unknown (HELO JohnPC) (downing.j@69.209.101.168 with login) by smtp115.sbc.mail.re3.yahoo.com with SMTP; 7 Jun 2009 01:08:45 -0000 X-YMail-OSG: FEPaB78VM1norGPBo2S28rn.E_g7MsDFYc3L7LxWfdtUHK2o7NMfRmbPSP3oOM0iHpTwRat5KuhIJjzASYhcTc3QCem9302SSWttm6sWVribTXVDxZEC.4N6OPZ3qQg9uDRHx_zKasUS8l2oa3cFZoWwrmpN579k6gYTGpWtHBB8MEcBAbZ1OdzAS.aAC0fbKqip5AX9_o0nH1o8JAZgS5Gmjzr8RfB72ZQ6lytVcl74ayRVn2buDVEuQWP.VswNLdL9uq6X7AK2fZbPrD4sR6F8OEh5u1vk0oSZF7.oU0YQzJJb3KUvdtEb3QOkD1uXFMiva5yUDiWC_WvwE4I2R5QEKX1L X-Yahoo-Newman-Property: ymail-3 Message-ID: <58CDF70E60C54835ACF62C2E6BA21A51@JohnPC> From: "John" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Battery Isolation diodes Date: Sat, 6 Jun 2009 21:10:27 -0400 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6001.18000 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 Greg, I have fuses going to the EC-2 and the coils, if I had CB's I could switch off the CB's, now I need to pull the fuses, another good reason to use CB's. JohnD ----- Original Message ----- From: "Greg Ward" To: "Rotary motors in aircraft" Sent: Saturday, June 06, 2009 8:32 PM Subject: [FlyRotary] Re: Battery Isolation diodes > Got them Ed, and thanks. One quick question. I went to an AOPA safety > seminar, and they recommended a separate ground switch for the GPS, and > related equipment, so that they could be programmed without the engine > running, as that has been known to take some time, and your head is down > with a prop running. Has anybody done this? Any diagrams? > Greg Ward >> >> eanderson@carolina.rr.com >> >> http://www.andersonee.com >> >> http://www.dmack.net/mazda/index.html >> >> http://www.flyrotary.com/ >> >> http://members.cox.net/rogersda/rotary/configs.htm#N494BW >> >> http://www.rotaryaviation.com/Rotorhead%20Truth.htm >> >> >> -----Original Message----- >> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On >> Behalf Of Ernest Christley >> Sent: Saturday, June 06, 2009 4:23 PM >> To: Rotary motors in aircraft >> Subject: [FlyRotary] Re: Battery Isolation diodes >> >> Ed Anderson wrote: >>> >>> Thanks, Tracy >>> >>> I was unaware (never thought about it) of the association - perhaps >>> not having an isolation diode is one reason I never had any "Noise >>> Problem" with the EC2 {:>) >>> >>> Thanks for the information >>> >>> Ed >>> >> When wiring up the diode, it should be fairly simple to drop in a large >> value mylar capacitor to conduct the noise. My experience with >> electrolytics is that they can be poorly made and leak. The mylars would >> be more robust in the environmental extremes of an airplane. >> >> In any case, I thought the diode was just for a backup. The switch would >> stay in the same position it has always occupied, so noise would be >> absorbed by the battery as it always has. The EC2 would have to be on >> the battery side of the switch, which would make it even more noise >> isolated when hidden behind the diode. >> >> -- >> >> http://www.ernest.isa-geek.org >> >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> __________ Information from ESET NOD32 Antivirus, version of virus >> signature >> database 3267 (20080714) __________ >> >> The message was checked by ESET NOD32 Antivirus. >> >> http://www.eset.com >> >> >> >> __________ Information from ESET NOD32 Antivirus, version of virus >> signature >> database 3267 (20080714) __________ >> >> The message was checked by ESET NOD32 Antivirus. >> >> http://www.eset.com >> >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html >