X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.3.4) with ESMTP id 4167496 for flyrotary@lancaironline.net; Tue, 16 Mar 2010 09:30:39 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.0 c=1 a=mz8GovV7t6IA:10 a=ayC55rCoAAAA:8 a=arxwEM4EAAAA:8 a=QdXCYpuVAAAA:8 a=7g1VtSJxAAAA:8 a=ekHE3smAAAAA:20 a=UretUmmEAAAA:8 a=Ia-xEzejAAAA:8 a=kviXuzpPAAAA:8 a=3oc9M9_CAAAA:8 a=nUuTZ29dAAAA:8 a=iKzQFX-2pYsdIMh5cNoA:9 a=ZkZikhDhYFiC1DcLcA0A:7 a=nzTgcIPWd2QFUbavgnfwxSCxlfUA:4 a=CjuIK1q_8ugA:10 a=1vhyWl4Y8LcA:10 a=EzXvWhQp4_cA:10 a=4vB-4DCPJfMA:10 a=U8Ie8EnqySEA:10 a=SSmOFEACAAAA:8 a=ybwOO_r13u79O1wyiysA:9 a=rSVshd9-Iv0HjYJUf7YA:7 a=Lgs0gCoJFiWFnx8rok2TryE3I0wA:4 X-Cloudmark-Score: 0 X-Originating-IP: 75.191.186.236 Received: from [75.191.186.236] ([75.191.186.236:2146] helo=computername) by cdptpa-oedge04.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id 61/11-23396-BD78F9B4; Tue, 16 Mar 2010 13:30:04 +0000 From: "Ed Anderson" Message-ID: <61.11.23396.BD78F9B4@cdptpa-omtalb.mail.rr.com> To: "'Rotary motors in aircraft'" Subject: Injector Select Switch [FlyRotary] Re: Civil Discourse was : [FlyRotary] Re: Ut-Oh... Date: Tue, 16 Mar 2010 09:30:05 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01CAC4EB.436D84D0" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 Thread-Index: AcrFAQTSqL4zXLy+Rgugic+1bVM30AACmqhQ In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0010_01CAC4EB.436D84D0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I also find the "Injector Select" switches useful for several purposes, Rino. 1. If a problem with one injector of a pair occurs, I can turn that pair off and fly home on the remaining pair. 2. They are great for trouble shooting injector problems by permitting you to choose which pair will be on without question. 3. In the highly unlikely (but possible) event that a power wire to a pair should short to ground, you can turn the power off to that pair. 4. I also use them to turn off the engine - that ensures no residue fuel in the housings. But, if not wired correctly they can cause a new installation some puzzling problems {:>) and they do add another component and we know components can fail - although if sized properly for the correct current and installing quality switches and wire correct the failure in one will not take you down and the likelihood of both failing at the same time is rather remote. But, once again, you can certainly fly without them - I just find them very useful. My 0.02 Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC 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 _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Rino Sent: Tuesday, March 16, 2010 8:05 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Civil Discourse was : [FlyRotary] Re: Ut-Oh... I find the "injector failure Switches" convenient during the warmup to test the operation of the injectors just like the primary and seconday plugs test. Rino Lacombe ----- Original Message ----- From: Mike Wills To: Rotary motors in aircraft Sent: Tuesday, March 16, 2010 1:23 AM Subject: [FlyRotary] Re: Civil Discourse was : [FlyRotary] Re: Ut-Oh... I chose not to implement the "injector failure switches". I don't know if there are any statistics on it, but I suspect injector failure is an extremely rare occurrence. On the other hand if one did fail I'd rather fly the plane and troubleshoot the problem after I'm on the ground. But that's part of the advantage in going the Experimental route - build it the way you want it. Mike Wills From: Bktrub@aol.com Sent: Monday, March 15, 2010 8:47 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Civil Discourse was : [FlyRotary] Re: Ut-Oh... In the event of a primary or secondary injector failure, the affected injector set can be switched off and the cold start switch used to richen up the remaining injectors. This as per Tracy's instructions. I haven't tried this, and hope I never have to in the heat of battle, but there it is. Brian Trubee __________ Information from ESET NOD32 Antivirus, version of virus signature database 3267 (20080714) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com ------=_NextPart_000_0010_01CAC4EB.436D84D0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I also  find the = “Injector Select” switches useful for several purposes, Rino. =

 

1.  If a problem with one = injector of a pair occurs, I can turn that pair off and fly home on the remaining = pair.

2.  They are great for trouble shooting injector problems by permitting you to choose which pair will = be on without question.

3. In the highly unlikely (but = possible) event that a power wire to a pair should short to ground, you can turn = the power off to that pair. 

4. I also use them to turn off the = engine – that ensures no residue fuel in the = housings.

 

 But, if not wired correctly = they can cause a new installation some puzzling problems {:>) and they do add = another component and we know components can fail – although if sized = properly for the correct current and installing quality switches and wire correct = the failure in one will not take you down and the likelihood of both failing = at the same time is rather remote.

 

But, once again, you can certainly = fly without them – I just find them very = useful.

 

My = 0.02

 

Ed

 

From: = Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Rino
Sent: Tuesday, March 16, = 2010 8:05 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Civil Discourse was : [FlyRotary] Re: Ut-Oh...

 

I find the "injector failure Switches" convenient during the warmup to test the operation of the injectors just like the primary and seconday plugs = test.

 

=

Rino = Lacombe

 

=

----- Original Message ----- =

From: Mike = Wills

Sent: Tuesday, March 16, 2010 1:23 = AM

Subject: [FlyRotary] Re: Civil Discourse was : [FlyRotary] Re: = Ut-Oh...

 

=

I chose not = to implement the "injector failure switches". I don’t know = if there are any statistics on it, but I suspect injector failure is an = extremely rare occurrence. On the other hand if one did fail I'd rather fly = the plane and troubleshoot the problem after I'm on the ground. But = that’s part of the advantage in going the Experimental route - build it the way = you want it.

 

=

Mike = Wills 

 

From: Bktrub@aol.com =

Sent: Monday, March = 15, 2010 8:47 AM

Subject: [FlyRotary] Re: Civil Discourse was : [FlyRotary] Re: = Ut-Oh...

 

=

In the event of = a primary or secondary injector failure, the affected injector set can be switched off and the cold start switch used to richen up the remaining injectors. This as per Tracy's instructions. I haven't tried this, and hope I never have to in the heat = of battle, but there it is.

 

=

Brian = Trubee



__________ Information from ESET NOD32 Antivirus, version of virus = signature database 3267 (20080714) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

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