X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 19 Apr 2012 12:43:56 -0400 Message-ID: X-Original-Return-Path: Received: from mta4.srv.hcvlny.cv.net ([167.206.4.199] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTP id 5489000 for lml@lancaironline.net; Thu, 19 Apr 2012 12:01:43 -0400 Received-SPF: none receiver=logan.com; client-ip=167.206.4.199; envelope-from=Adam@ValidationPartners.com Received: from VpiWorkstation1 (ool-4351a46d.dyn.optonline.net [67.81.164.109]) by mta4.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTP id <0M2Q00LDJHTQ5QE0@mta4.srv.hcvlny.cv.net> for lml@lancaironline.net; Thu, 19 Apr 2012 12:01:05 -0400 (EDT) X-Original-Date: Thu, 19 Apr 2012 12:02:33 -0400 From: Adam Molny Subject: RE: [LML] Re: TCM starter adapter (was Excessive down hydraulic pressure) In-reply-to: X-Original-To: lml@lancaironline.net X-Original-Message-id: <2575B3F4994B47B2BED79A59E4EBD419@VpiWorkstation1> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Mailer: Microsoft Office Outlook 11 Content-type: multipart/alternative; boundary="Boundary_(ID_Ubyj3Ow6d1JIwNQGZnqXVQ)" Thread-index: Ac0eIvfsOhX7x0ERRUi2sXD3j9hpswAIdBUQ References: This is a multi-part message in MIME format. --Boundary_(ID_Ubyj3Ow6d1JIwNQGZnqXVQ) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Paul - boy, I hope not. I already have the lightweight Skytec starter, which is supposed to be friendly to the starter adapter. The starter adapter was replaced at 50 hours by the previous owner of this engine (it now has around 275hrs). I'll keep an eye on the situation to see if gets worse. I'm not aware of any options or choices to be made regarding the starter adapter. You simply have it rebuilt or replaced. Is that correct? Thanks, Adam Molny _____ From: Paul Miller [mailto:pjdmiller@gmail.com] Sent: Wednesday, April 18, 2012 1:01 PM To: lml@lancaironline.net Subject: Re: [LML] Re: Excessive down hydraulic pressure Adam, great video. I hate to add this comment but I believe you have an old geared starter, perhaps an iskra or other geared starter? Maybe batteries were not charged too. But, the starter is spinning and the prop is going backwards for a short duration during start in your video. In my non-expert opinion you are a candidate for a new starter adapter. That spinning is the spring slipping on the adapter shaft. It will get worse with time. If it's under warranty consider getting it swapped and putting in a better starter. I have great starts with the old tcm boat anchor and another legacy now has the newer skytek with a rebuilt starter adapter and that is working well. I'll send you a video of how it looks after the change. Let me know if you need more data. Paul Legacy Spruce Creek fl http://www.youtube.com/watch?v=fo1qnhBuqS8 The attached JPG file shows the up and down hydraulic pressure readings throughout the flight. The x-axis is time, with the flight beginning at 20:32Z and ending at 21:12Z. You can see the gear retraction tests beginning around 20:43 and 3500' altitude. Notice that after the last test the down pressure remains around 500psi for about 90 seconds even though the gear is retracted. The up pressure fluctuates a bit then the down pressure drops to near --Boundary_(ID_Ubyj3Ow6d1JIwNQGZnqXVQ) Content-type: text/html; charset=us-ascii Content-transfer-encoding: 7BIT

Paul – boy, I hope not. I already have the lightweight Skytec starter, which is supposed to be friendly to the starter adapter. The starter adapter was replaced at 50 hours by the previous owner of this engine (it now has around 275hrs). I’ll keep an eye on the situation to see if gets worse.

 

I’m not aware of any options or choices to be made regarding the starter adapter. You simply have it rebuilt or replaced. Is that correct?

 

Thanks,

Adam Molny

From: Paul Miller [mailto:pjdmiller@gmail.com]
Sent: Wednesday, April 18, 2012 1:01 PM
To: lml@lancaironline.net
Subject: Re: [LML] Re: Excessive down hydraulic pressure

 

Adam, great video.  I hate to add this comment but I believe you have an old geared starter, perhaps an iskra or other geared starter?  Maybe batteries were not charged too.  But, the starter is spinning and the prop is going backwards for a short duration during start in your video.  In my non-expert opinion you are a candidate for a new starter adapter.  That spinning is the spring slipping on the adapter shaft.  It will get worse with time.   If it's under warranty consider getting it swapped and putting in a better starter.  I have great starts with the old tcm boat anchor and another legacy now has the newer skytek with a rebuilt starter adapter and that is working well.   I'll send you a video of how it looks after the change.  Let me know if you need more data.

Paul

Legacy 

Spruce Creek fl



 

The attached JPG file shows the up and down hydraulic pressure readings throughout the flight. The x-axis is time, with the flight beginning at 20:32Z and ending at 21:12Z. You can see the gear retraction tests beginning around 20:43 and 3500' altitude. Notice that after the last test the down pressure remains around 500psi for about 90 seconds even though the gear is retracted. The up pressure fluctuates a bit then the down pressure drops to near 

 

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