X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 01 Dec 2011 13:05:06 -0500 Message-ID: X-Original-Return-Path: Received: from elasmtp-masked.atl.sa.earthlink.net ([209.86.89.68] verified) by logan.com (CommuniGate Pro SMTP 5.4.2) with ESMTP id 5265012 for lml@lancaironline.net; Wed, 30 Nov 2011 10:48:15 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.68; envelope-from=panelmaker@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=VWkgicTmleG7hs3lvvF1xNE5M1Cj/t6LDthSJK4zn3JXDrZPwxhfZkIZbe6NE38S; h=Received:From:To:References:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Mailer:In-Reply-To:X-MimeOLE:Thread-Index:X-ELNK-Trace:X-Originating-IP; Received: from [209.173.71.64] (helo=COMPUTER1) by elasmtp-masked.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1RVmNn-0002IZ-MZ for lml@lancaironline.net; Wed, 30 Nov 2011 10:47:39 -0500 From: "Jim Nordin" X-Original-To: "'Lancair Mailing List'" References: Subject: LNC2 Nose gear gas strut X-Original-Date: Wed, 30 Nov 2011 09:47:45 -0600 X-Original-Message-ID: <2FA1C44542014C4CBDEE2293904DD3E4@COMPUTER1> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_004E_01CCAF45.1D13C1A0" X-Mailer: Microsoft Office Outlook 11 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Thread-Index: AcyvUmmOpBzB4yTBRe2R72T1LuwCCAAJIH9A X-ELNK-Trace: bdfc62829fd2a80cc8ad50643b1069f8239a348a220c260902b3a9448730f5d4c515603d8778bace350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 209.173.71.64 This is a multi-part message in MIME format. ------=_NextPart_000_004E_01CCAF45.1D13C1A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit This is a no brainer, but some might have missed the opportunity to see how good the strut is. To check how good your gas struts are, just use a hard pad (piece of 1X4X4) on your bathroom scale and compress the strut using your body and read their "strength" on the scale in pounds. Jim _____ From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Rob Murawski Sent: Wednesday, November 30, 2011 5:23 AM To: lml@lancaironline.net Subject: [LML] Re: LNC2 Nose gear gas strut Thanks all! Since these are only AN3 bolts, I guess the head really isn't that big. 1-2 layers of fiberfrax seems to be all they take up and it's a fairly small area. I have the holes drilled and everything seems to line up, so I just need to pot them in and I'm good to go. I'm at a little bit more than the required 3/8" compression at full gear extension because I didn't want to go short, but that shouldn't matter. Also, I checked my gas strut and it seems like it is still good after about 12 years. I need to put a significant portion of my body weight into it to get it to compress and I definitely weigh more than 100 lbs. Unfortunately, as soon as I put some weight on my ESCO nose gear strut, it dumped oil like a sieve. As soon as I finish the nose gear attachments, I guess I'll have to send it out for service. And, of course, all of this needs to be checked again at final assembly. Thanks, -Rob From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Elliott Rowan Sent: Tuesday, November 29, 2011 12:23 PM To: lml@lancaironline.net Subject: [LML] Re: LNC2 Nose gear gas strut Rob, There is plenty of thickness in the fiberfrax to pot the bolts in, and not interfere with the stainless. I had to relieve the aft two layers on mine. Make sure to check the pressure on the cylinder before final install. That top bolt is a real pain to get to. Mine is weak, (it's only twenty years old) and will be replaced before final assembly. If memory serves, it is a 100 lb cylinder. Elliott Rowan From: "Sky2high@aol.com" To: lml@lancaironline.net Sent: Monday, November 28, 2011 3:51 PM Subject: [LML] Re: LNC2 Nose gear gas strut Rob, Check the uncompressed thickness of the three layers of fiberfrax (ceramic fireproofing between the SS and the firewall - it may be thick enough to merely cut some out where the bolt heads are located. Also, slight countersinking of the bolt head makes for better potting (more secure). Scott Krueger In a message dated 11/28/2011 9:53:33 A.M. Central Standard Time, rob@robmurawski.com writes: I'm at the point where I'm ready to attach my gas strut to the nose gear strut on my 360. The manual states that the preferred way is to pot the two bolts into the firewall and cover with 1 BID. This sounds easy enough, but, from what I can tell, the firewall won't be flat any more at this area. These are bolts, so they can't really be countersunk. There is an alternate connection method which is to go through the stainless and be on the other side of the firewall. This doesn't sound as nice as the first method. Someone else mentioned to me about connecting the gas strut to the top of the wheel well, but I'm concerned about this changing the angle and force. It looks like this would physically fit if I shim it with some phenolic. Does anyone remember what they did to connect their gas strut? Does it matter if the firewall is no longer flat? Thanks, -Rob -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html ------=_NextPart_000_004E_01CCAF45.1D13C1A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

This is a no brainer, but some might = have missed the opportunity to see how good the strut is. To check how good = your gas struts are, just use a hard pad (piece of 1X4X4) on your bathroom scale = and compress the strut using your body and read their “strength” = on the scale in pounds.

Jim

 

From: = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Rob Murawski
Sent: Wednesday, November = 30, 2011 5:23 AM
To: = lml@lancaironline.net
Subject: [LML] Re: LNC2 = Nose gear gas strut

 

Thanks = all!  Since these are only AN3 bolts, I guess the head really isn’t that big.  1-2 layers of fiberfrax seems to be all they take up and = it’s a fairly small area.  I have the holes drilled and everything seems = to line up, so I just need to pot them in and I’m good to go.  I’m at a little bit more than the required 3/8” compression = at full gear extension because I didn’t want to go short, but that shouldn’t matter.

 

Also, I = checked my gas strut and it seems like it is still good after about 12 years.  = I need to put a significant portion of my body weight into it to get it to = compress and I definitely weigh more than 100 lbs.  Unfortunately, as soon = as I put some weight on my ESCO nose gear strut, it dumped oil like a = sieve.  As soon as I finish the nose gear attachments, I guess I’ll have to = send it out for service.

 

And, of = course, all of this needs to be checked again at final assembly.

 

Thanks,

 

-Rob<= /font>

 

From: = Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Elliott Rowan
Sent: Tuesday, November = 29, 2011 12:23 PM
To: = lml@lancaironline.net
Subject: [LML] Re: LNC2 = Nose gear gas strut

 

Rob,

  There is plenty of thickness in the fiberfrax to pot the bolts in, and not = interfere with the stainless. I had to relieve the aft two layers on mine. Make = sure to check the pressure on the cylinder before final install. That top bolt = is a real pain to get to. Mine is weak, (it's only twenty years old) and will = be replaced before final assembly. If memory serves, it is a 100 lb = cylinder.

 

Elliott Rowan

 

From: "Sky2high@aol.com" <Sky2high@aol.com>
To: lml@lancaironline.net
Sent: Monday, November = 28, 2011 3:51 PM
Subject: [LML] Re: LNC2 = Nose gear gas strut

Rob,

 

Check the uncompressed thickness of the three layers of fiberfrax (ceramic fireproofing between the SS and the firewall - it may be thick enough to = merely cut some out where the bolt heads are located.  Also, slight countersinking of the bolt head makes for better potting (more = secure).

 

Scott Krueger

 

In a message dated 11/28/2011 9:53:33 A.M. Central Standard Time, rob@robmurawski.com = writes:

I'm at the point where I'm ready to attach my gas strut to the nose gear
strut on my 360. The manual states that the preferred way is to pot the = two
bolts into the firewall and cover with 1 BID.  This sounds easy = enough, but,
from what I can tell, the firewall won't be flat any more at this = area.
These are bolts, so they can't really be countersunk.  There is an alternate
connection method which is to go through the stainless and be on the = other
side of the firewall.  This doesn't sound as nice as the first = method.

Someone else mentioned to me about connecting the gas strut to the top = of
the wheel well, but I'm concerned about this changing the angle and = force.
It looks like this would physically fit if I shim it with some = phenolic.

Does anyone remember what they did to connect their gas strut?  = Does it
matter if the firewall is no longer flat?

Thanks,

-Rob



--
For archives and unsub http://mail= .lancaironline.net:81/lists/lml/List.html

 

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