Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2.4) with ESMTP id 453680 for flyrotary@lancaironline.net; Tue, 05 Oct 2004 15:41:11 -0400 Received-SPF: none receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-069-132-109-019.carolina.rr.com [69.132.109.19]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i95JecZU025093 for ; Tue, 5 Oct 2004 15:40:39 -0400 (EDT) Message-ID: <001101c4aa52$79b5bc10$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Low power 13B Operation Date: Mon, 4 Oct 2004 16:41:07 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01C4AA30.F26D54A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C4AA30.F26D54A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageSorry to hear the bad news, John. If the one apex is not shiny then it sounds like it is the apex seal - = perhaps one of the springs under it has broken.=20 Would like to hear what your man finds. Ed ----- Original Message -----=20 From: John Slade=20 To: Rotary motors in aircraft=20 Sent: Tuesday, October 05, 2004 1:12 PM Subject: [FlyRotary] Re: Low power 13B Operation Well, they say a picture is worth 1000 words.=20 In this case the picture is worth about 1000 dollars. :( The compression tester prints a tape showing the compression pulses. = On rotor 2 it looks fine. 3 peaks for every cycle. On rotor 1 there's = one peak, one tiny blip, then nothing. I took off the exhaust manifold = and, sure enough, two of the seals are shiny and spring back about 1/16 = inch when you press them (hard). The other seal is intact, but not shiny = and only springs back maybe 1/32 when pushed. It IS moving, so it's not = a stuck seal - sounds like the side seals are gone. We'll know more when = the Mazda guy gets the engine comes apart...... John (just a minor set back) ------=_NextPart_000_000E_01C4AA30.F26D54A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Sorry to hear the bad news, = John.
 
If the one apex is not shiny then it = sounds like it=20 is the apex seal - perhaps one of the springs under it has=20 broken. 
 
Would like to hear what your man=20 finds.
 
Ed
----- Original Message -----
From:=20 John=20 Slade
Sent: Tuesday, October 05, 2004 = 1:12=20 PM
Subject: [FlyRotary] Re: Low = power 13B=20 Operation

Well, they say a picture is worth 1000 words. =
In=20 this case the picture is worth about 1000 dollars. = :(
 
The=20 compression tester prints a tape showing the compression pulses. On = rotor 2 it=20 looks fine. 3 peaks for every cycle. On rotor 1 there's one peak, one = tiny=20 blip, then nothing. I took off the exhaust manifold and, sure enough, = two of=20 the seals are shiny and spring back about 1/16 inch when you press = them=20 (hard). The other seal is intact, but not shiny and only springs back = maybe=20 1/32 when pushed. It IS moving, so it's not a stuck seal - sounds like = the=20 side seals are gone. We'll know more when the Mazda guy gets the = engine comes=20 apart......
 
John=20 (just a minor set back)
 
 
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