X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost01.isp.att.net ([207.115.11.51] verified) by logan.com (CommuniGate Pro SMTP 5.3.5) with ESMTP id 4213556 for flyrotary@lancaironline.net; Wed, 07 Apr 2010 18:01:22 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.51; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-230-67-40.mco.bellsouth.net[74.230.67.40]) by isp.att.net (frfwmhc01) with SMTP id <20100407220046H01002plu9e>; Wed, 7 Apr 2010 22:00:47 +0000 X-Originating-IP: [74.230.67.40] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: Progress?? Date: Wed, 7 Apr 2010 18:00:48 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0000_01CAD67C.415A34C0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcrOYO/ecd9eHrhETYy5T7xB83FDOAIOz2Gg X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01CAD67C.415A34C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi Mark, You have several projects in works.getting your drive plate back together, building the PP 20B. How are you progressing? How about an update? On both projects. Regards the rivets loosening. You are one of the few with a constant speed prop. I am assuming that when you dial from takeoff prop to cruise prop, the plane would surge forward with acceleration and the engine would reduce rpm as the prop starts to bite. That would have put a lot of force on the rivets. This, along with you more powerful engine, could have been a player??? If so, those quarter inch bolts should move the weak spot up the chain to wherever the next weakest link is. That, hopefully, may be above your operating envelope. :>) Bill B ------=_NextPart_000_0000_01CAD67C.415A34C0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 Hi Mark,

 

You have several projects in works…getting your drive = plate back together, building the PP 20B.  How are you progressing?  How = about an update?  On both projects.

 

Regards the rivets loosening.  You are one of the few with = a constant speed prop.  I am assuming that when you dial from takeoff = prop to cruise prop, the plane would surge forward with acceleration and the = engine would reduce rpm as the prop starts to bite.  That would have put a = lot of force on the rivets.  This, along with you more powerful engine, = could have been a player???  If so, those quarter inch bolts should move = the weak spot up the chain to wherever the next weakest link is.  That, = hopefully, may be above your operating envelope.   = :>)

 

Bill B

 

 

 

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