X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 10 Jan 2006 00:20:30 -0500 Message-ID: X-Original-Return-Path: Received: from imo-d23.mx.aol.com ([205.188.139.137] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 918776 for lml@lancaironline.net; Mon, 09 Jan 2006 12:49:52 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.139.137; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d23.mx.aol.com (mail_out_v38_r6.3.) id q.46.78577f8d (58550) for ; Mon, 9 Jan 2006 12:49:03 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: <46.78577f8d.30f3fc0f@aol.com> X-Original-Date: Mon, 9 Jan 2006 12:49:03 EST Subject: Re: [LML] LNC2 Nose Gear Gas Spring X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1136828942" X-Mailer: 9.0 Security Edition for Windows sub 5300 X-Spam-Flag: NO -------------------------------1136828942 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 1/8/2006 10:12:21 P.M. Central Standard Time, naf@britevalley.com writes: Well, I managed to lose my email archives, so need to ask for the McMaster-Carr part number of the nose gear extension gas spring. Why not Aero-Crafters (Lancair) GM028? I noticed on my last flight about 3 weeks ago (lousy weather since), that my alternate extension was a bit sluggish. Today, it cleared off enough for me to slip the surly bonds. On landing, the nose gear light failed to come on, so I used the alternate extension to no avail. No amount of pulling g's, slowing, porpoising, etc. helped, so I decided to land. I shut the engine off on short final. Unfortunately, the nose gear collapsed on landing. The only damage is the prop and the cowling, so I feel pretty fortunate. I was surprised that the landing itself was almost a non-event. Naf, Although the gas spring assists in locking the over-center link, its' purpose is to get the gear out in case of a failure in the hydraulic system. If the hydraulic system and nose gear actuator are working properly, the gear should have been down and locked even if the gas spring had no energy. I will be interested to hear what part of the nose gear failed - Actuator wheel well attachment delaminated? Actuator rod bent? No fluid and weak spring? Etc. ............ Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) -------------------------------1136828942 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 1/8/2006 10:12:21 P.M. Central Standard Time,=20 naf@britevalley.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
Well, I=20= managed to=20 lose my email archives, so need to ask for the McMaster-Carr part num= ber=20 of the nose gear extension gas spring.
Why not Aero-Crafters (Lancair) GM028?
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
I notice= d on my=20 last flight about 3 weeks ago (lousy weather since), that my alternate=20 extension was a bit sluggish.  Today, it cleared off enough for me to= =20 slip the surly bonds.  On landing, the nose gear light failed to come= on,=20 so I used the alternate extension to no avail.  No amount of pulling=20= g's,=20 slowing, porpoising, etc. helped, so I decided to land.  I shut the=20 engine off on short final.  Unfortunately, the nose gear collapsed on= =20 landing.  The only damage is the prop and the cowling, so I feel pret= ty=20 fortunate.  I was surprised that the landing itself was almost a=20 non-event.
Naf,
 
Although the gas spring assists in locking the over-center link, its'=20 purpose is to get the gear out in case of a failure in the hydraulic=20 system.  If the hydraulic system and nose gear actuator are working=20 properly, the gear should have been down and locked even if the gas spring h= ad=20 no energy.  I will be interested to hear what part of the nose gear fai= led=20 - Actuator wheel well attachment delaminated?  Actuator rod bent? No fl= uid=20 and weak spring? Etc. ............=20
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL=20 (KARR)
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