X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [209.87.238.133] (HELO intldata.ca) by logan.com (CommuniGate Pro SMTP 5.1c.4) with ESMTP id 1414897 for flyrotary@lancaironline.net; Fri, 22 Sep 2006 08:00:09 -0400 Received-SPF: none receiver=logan.com; client-ip=209.87.238.133; envelope-from=jwhaley@intldata.ca Received: from jwhaley ([209.87.238.175]) by intldata.ca (intldata.ca) (MDaemon.PRO.v8.1.3.R) with ESMTP id md50000276638.msg for ; Fri, 22 Sep 2006 07:58:50 -0400 From: "Jeff Whaley" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: It runs! Date: Fri, 22 Sep 2006 07:58:52 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0017_01C6DE1C.F21A53A0" X-Mailer: Microsoft Office Outlook, Build 11.0.5510 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 Thread-Index: Acbd+P4EsM9IA5JtT6avyuVMDL6wBgARLR4w X-Spam-Processed: intldata.ca, Fri, 22 Sep 2006 07:58:50 -0400 (not processed: message from valid local sender) X-MDRemoteIP: 209.87.238.175 X-Return-Path: jwhaley@intldata.ca X-MDaemon-Deliver-To: flyrotary@lancaironline.net Reply-To: jwhaley@intldata.ca Message-ID: X-MDAV-Processed: intldata.ca, Fri, 22 Sep 2006 07:58:51 -0400 This is a multi-part message in MIME format. ------=_NextPart_000_0017_01C6DE1C.F21A53A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Make sure your ENGINE is properly grounded to the battery negative, your Seawind is a glass machine so you also have a long GROUND umbilical cord . I had similar problems when first starting my engine on test stand. Jeff _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen Sent: Thursday, September 21, 2006 11:41 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: It runs! However, I put the timing light on each of the plug leads and was really confused at what I saw. #1, both lead and trail, 35 degrees before TDC So good so far. Timing marks on the pulley are set for timing on rotor one. Spark on #2 should be 120 degrees later (40 degrees rotation of rotor) and another 120 degree later on rotor 3. I don't know about 'waste' sparks, but it does seem you should see consistent sparks at the right place for each rotor. I am hopeing that the extra length of my embilical cord from the firewall to engine (Seawind) accounts for all of that, but I have a hard time convincing myself that is so. What do you mean by 'embilical' cord engine (I think the word is umbilical) - wires from the box to the engine? Do you have the 'triggering' leads from box to coils separated from the leads from the CAS to the box? I think inductive coupling there could be a problem, even if the CAS leads are shielded. I'm sure you've double checked all the coil wiring, ground points, etc. Good luck, Al Any other good ideas????? Bob Darrah Seawind/20B Near Austin, TX (But my spell checker said it was ok) -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ __________ NOD32 1.1768 (20060922) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com ------=_NextPart_000_0017_01C6DE1C.F21A53A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Make sure your ENGINE is properly = grounded to the battery negative, your Seawind is a glass machine so you also = have a long GROUND umbilical cord … I had similar problems when first = starting my engine on test stand.

Jeff

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Al Gietzen
Sent: Thursday, September = 21, 2006 11:41 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = It runs!

However, I put the timing light on each of the plug leads and was really =

confused at what I saw.

#1, both lead and trail, 35 degrees before TDC So good so = far.

Timing marks = on the pulley are set for timing on rotor one. Spark on #2 should be 120 = degrees later (40 degrees rotation of rotor) and another 120 degree later on = rotor 3. I don’t know about ‘waste’ sparks, but it does = seem you should see consistent sparks at the right place for each = rotor.

I am hopeing that the extra length of my embilical =

cord from the firewall to engine (Seawind) accounts for all of that, but I =

have a hard time convincing myself that is so.

What do you = mean by ‘embilical’ cord engine (I think the word is umbilical) = – wires from the box to the engine? Do you have the ‘triggering’ leads from box to coils separated from the = leads from the CAS to the box? I think inductive coupling there could be a = problem, even if the CAS leads are shielded. I’m sure you’ve double = checked all the coil wiring, ground points, etc.

Good = luck,

Al

Any other good ideas?????

Bob Darrah

Seawind/20B

Near Austin, = TX

(But my spell checker said it was ok)

--

Homepage: http://www.flyrotary.com/

Archive and UnSub: = http://mail.lancaironline.net/lists/flyrotary/

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