X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 17 Aug 2010 20:54:57 -0400 Message-ID: X-Original-Return-Path: Received: from fmailhost01.isp.att.net ([207.115.11.51] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4434504 for lml@lancaironline.net; Tue, 17 Aug 2010 17:49:33 -0400 Received-SPF: none receiver=logan.com; client-ip=207.115.11.51; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-85-109-27.mco.bellsouth.net[98.85.109.27]) by isp.att.net (frfwmhc01) with SMTP id <20100817214857H0100doqobe>; Tue, 17 Aug 2010 21:48:58 +0000 X-Originating-IP: [98.85.109.27] From: "Bill Bradburry" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Re: LNC2 Nose gear fork spacer X-Original-Date: Tue, 17 Aug 2010 17:49:01 -0400 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_005A_01CB3E34.7A76AB10" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Acs+FgHDmR/xIeApQ7mxFhau4ZgUYQAP1jvA X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18049 This is a multi-part message in MIME format. ------=_NextPart_000_005A_01CB3E34.7A76AB10 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hmmm. I saw somewhere that the minimum clearance should be 8 inches. I never considered a 4 inch clearance. I mow my St Augustine yard at 3.5 to 4 inches. I guess I could just taxi around the yard a while and maybe I would enjoy mowing the grass. :>) Bill B _____ From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Sky2high@aol.com Sent: Tuesday, August 17, 2010 10:11 AM To: lml@lancaironline.net Subject: [LML] Re: LNC2 Nose gear fork spacer Bill, Uh, that's not quite right. In an average LNC2 the prop tip is 34 inches ahead of the nose wheel and 78 inches ahead of the mains. Using similar triangles, 0.5/44 = x/78 or 0.88" more clearance at the prop tip. If your prop tip is only 4" off the ground, that shim raises it to almost 5", an approximate 25% increase. Any increase in nose strut pressure and sag at the mains (air-oleo suspension system pressure) has a similar effect especially when the pilot, passenger and baggage depress the mains further. Grayhawk In a message dated 8/17/2010 6:57:11 A.M. Central Daylight Time, bbradburry@bellsouth.net writes: If you are looking at a 0.5 inch fix, your prop may be too big! There is not much difference in prop clearance in a half inch! Bill B _____ From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of TOM GARDINER Sent: Monday, August 16, 2010 12:56 PM To: lml@lancaironline.net Subject: [LML] LNC2 Nose gear fork spacer Folks, Does anybody have a CAD drawing for an AL 0.5 inch spacer to be installed at the bottom of the nose gear fork to increase prop ground clearance? Or anybody know the distance between centers on the wheel bracket mounting bolts (4) and the radius of the flange at the rod end of the fork? Thanks in advance Tom ------=_NextPart_000_005A_01CB3E34.7A76AB10 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hmmm…=

I saw somewhere that the minimum = clearance should be 8 inches.  I never considered a 4 inch clearance.  I = mow my St = Augustine yard at 3.5 to 4 inches.  I guess I could just taxi around the yard a = while and maybe I would enjoy mowing the grass.   = :>)

 

Bill B

 

From: = Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of Sky2high@aol.com
Sent: Tuesday, August 17, = 2010 10:11 AM
To: = lml@lancaironline.net
Subject: [LML] Re: LNC2 = Nose gear fork spacer

 

Bill,

 

=

Uh, that's not quite right.  = In an average LNC2 the prop tip is 34 inches ahead of the nose wheel and 78 = inches ahead of the mains. Using similar triangles, 0.5/44 =3D x/78 or 0.88" more clearance at the prop tip.  If your prop = tip is only 4" off the ground, that shim raises it to almost 5", an approximate 25% increase. Any increase in nose strut pressure and sag at = the mains (air-oleo suspension system pressure) has a similar effect = especially when the pilot, passenger and baggage depress the mains = further.

 

=

Grayhawk

 

=

In a message dated 8/17/2010 = 6:57:11 A.M. Central Daylight Time, bbradburry@bellsouth.net writes:

If you are looking at a 0.5 inch fix, your prop may be too big!  There is not much difference in prop clearance in a half = inch!

 

Bill B

 

From: = Lancair Mailing = List = [mailto:lml@lancaironline.net] On Behalf Of TOM GARDINER
Sent: Monday, August 16, = 2010 12:56 PM
To: = lml@lancaironline.net
Subject: [LML] LNC2 Nose = gear fork spacer

 


 

Folks,

 

Does anybody have a CAD drawing for an = AL 0.5 inch spacer to be = installed at the bottom of the nose gear fork to increase prop ground clearance? Or = anybody know the distance between centers on the wheel bracket mounting bolts = (4)  and the radius of the flange at the rod end of the = fork?

 

Thanks in advance

 

Tom

 

 

 

 

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