X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 24 Apr 2005 17:19:26 -0400 Message-ID: X-Original-Return-Path: Received: from rhombus.bright.net ([209.143.0.75] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 912378 for lml@lancaironline.net; Sat, 23 Apr 2005 15:19:35 -0400 Received-SPF: none receiver=logan.com; client-ip=209.143.0.75; envelope-from=airmale@bright.net Received: from [127.0.0.1] (paul-bryn-breeze-122.wireless.bright.net [216.201.20.123] (may be forged)) by rhombus.bright.net (8.12.10/8.12.10) with ESMTP id j3NJIX4A029062 for ; Sat, 23 Apr 2005 15:18:50 -0400 (EDT) X-Original-Message-ID: <426A9F8A.7000904@bright.net> X-Original-Date: Sat, 23 Apr 2005 15:18:34 -0400 From: J H Webb User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 X-Original-To: Lancair Mailing List Subject: 360 spinner bulkhead Content-Type: multipart/alternative; boundary="------------080107060707050407050004" This is a multi-part message in MIME format. --------------080107060707050407050004 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit >I am wondering if anyone can tell me if there should be a bulkhead ahead of the prop in the spinner of my 360. The fiberglass spinner seems too flimsy to me. Jim Jim After about 150 hours on my 360 I discovered that the rear bulkhead was cracked. This was caused by the spinner having too much play and I fixed this by adding a forward bulkhead. I added it to the prop as a circular piece of aluminum bolted to the prop dome. Rather that spending lots of time getting a perfect fit I added tape around the outside of the aluminum disk till I had a tight fit. 200 hours later and no more cracks. Something to be careful about in moving the aircraft on the ground is to not applying pressure to the spinner, use the prop close to the hub. Jack Webb L 360, L IV FAA Designated 135 Check airman ATP, CFI Airplanes & Instruments, Multi, & Sea Many Jet Type Ratings Experienced Experimental Test Pilot both multi and single engine Former Chief Engineering Test Pilot for a Major Manufacturer AeroSpace Engineer BSAE Ohio --------------080107060707050407050004 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit

>I am wondering if anyone can tell me if there should be a bulkhead ahead of the prop in the spinner of my 360. The fiberglass spinner seems too flimsy to me. Jim

Jim

After about 150 hours on my 360 I discovered that the rear bulkhead was cracked. This was caused by the spinner having too much play and I fixed this by adding a forward bulkhead. I added it to the prop as a circular piece of aluminum bolted to the prop dome. Rather that spending lots of time getting a perfect fit I added tape around the outside of the aluminum disk till I had a tight fit. 200 hours later and no more cracks. Something to be careful about in moving the aircraft on the ground is to not applying pressure to the spinner, use the prop close to the hub.

Jack Webb
L 360, L IV
FAA Designated 135 Check airman
ATP, CFI Airplanes & Instruments, Multi, & Sea
Many Jet Type Ratings
Experienced Experimental Test Pilot both multi and single engine
Former Chief Engineering Test Pilot for a Major Manufacturer
AeroSpace Engineer BSAE
Ohio

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