X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omr-m09.mx.aol.com ([64.12.143.82] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTPS id 6924237 for lml@lancaironline.net; Sat, 07 Jun 2014 11:22:59 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.143.82; envelope-from=Sky2high@aol.com Received: from mtaomg-aah02.mx.aol.com (mtaomg-aah02.mx.aol.com [172.27.1.144]) by omr-m09.mx.aol.com (Outbound Mail Relay) with ESMTP id D3E167025EB6F for ; Sat, 7 Jun 2014 11:22:24 -0400 (EDT) Received: from core-mle001b.r1000.mail.aol.com (core-mle001.r1000.mail.aol.com [172.29.126.196]) by mtaomg-aah02.mx.aol.com (OMAG/Core Interface) with ESMTP id A61E738000083 for ; Sat, 7 Jun 2014 11:22:24 -0400 (EDT) From: Sky2high@aol.com Full-name: Sky2high Message-ID: Date: Sat, 7 Jun 2014 11:22:24 -0400 (EDT) Subject: Re: [LML] [LNC2] MLG tires hitting upper wing skin To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_ad7b8.75fcb267.40c48830_boundary" X-Mailer: AOL 9.6 sub 168 X-Originating-IP: [24.14.166.87] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1402154544; bh=jQoQcQGXH2bQNwjaM8dTQtG8KlHKotMmtLAQ2gzA0VU=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=RGWICQyvePOLu72E/QQUhmeWzDBCZqSnhmNaVecWsqrHRL4fjlB2AC1hhRgc8LaSe XflCphDN3mw9hOpgZJIjjLyzBk20a3G6x0BIgk6EKgigksuF1HJF+v0mT2pvPq9bws RK+IRFqt0eKpupZipRuCWTmYa6c8GjmN3HvDdm/o= x-aol-sid: 3039ac1b019053932e307abf --part1_ad7b8.75fcb267.40c48830_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit The trailing edge of the middle gear door can be slightly adjusted by carefully bending the bracket to which it is attached. Grayhawk In a message dated 6/7/2014 10:16:01 A.M. Central Daylight Time, snopercod@comporium.net writes: After replacing the original Rosenhan brake calipers that came with my L-235 with new Matco B5-4 units, the tire now contacts the underside of the upper wing skin just before the gear is fully retracted. As you all know, the brake mounting plates fit between the aluminum gear casting and the axle. The old Rosenhan die-cast brake plates were .210 thick. The new Matco brake plates are only .125 thick, so I had to add shims between the casting and axle to keep the brake disc properly "centered" between the brake pads. On my latest installation, the distance between the gear casting and the axle is now .310, which extends the wheel and tire out .100 more than before. The gear door is probably only .060 away from closing when the tire hits the underside of the upper wing skin, so the addition of the shims seems to have caused the problem. I originally had 70 PSI in my Cheng Shen MLG tires and bled them down to 60 PSI but that didn't help. Today I will attempt to reduce the thickness of the shims, but I fear that's not going to work because the new Matco brake pads are thicker than the old Rosenhan pads and need more clearance to allow for wear. So the only options I can think of at this point would be to 1. carve out a crescent of the upper wing skin core where the tire it hitting, 2. grind down the ridge on the tire where the tread meets the sidewall, 3. Reform the middle gear door, or 4. fly with the aft edge of the middle gear door about 1/16" away from being flush. Has anyone run into this problem? Any suggestions? -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html --part1_ad7b8.75fcb267.40c48830_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
The trailing edge of the middle gear door can=20 be slightly adjusted by carefully bending the bracket to which it= is=20 attached.
 
Grayhawk 
 
In a message dated 6/7/2014 10:16:01 A.M. Central Daylight Time,=20 snopercod@comporium.net writes:
= After=20 replacing the original Rosenhan brake calipers that came with my
L-23= 5=20 with new Matco B5-4 units, the tire now contacts the underside of
the= =20 upper wing skin just before the gear is fully retracted. As you all
k= now,=20 the brake mounting plates fit between the aluminum gear casting
and t= he=20 axle. The old Rosenhan die-cast brake plates were .210 thick.
The new= =20 Matco brake plates are only .125 thick, so I had to add shims
between= the=20 casting and axle to keep the brake disc properly "centered"
between t= he=20 brake pads. On my latest installation, the distance between
the gear= =20 casting and the axle is now .310, which extends the wheel and
tire=20 out  .100 more than before. The gear door is probably only .060
= away=20 from closing when the tire hits the underside of the upper wing
skin,= so=20 the addition of the shims seems to have caused the problem.

I=20 originally had 70 PSI in my Cheng Shen MLG tires and bled them down to 60=20 PSI but that didn't help.

Today I will attempt to reduce the thick= ness=20 of the shims, but I fear
that's not going to work because the new Mat= co=20 brake pads are thicker
than the old Rosenhan pads and need more clear= ance=20 to allow for wear.

So the only options I can think of at this poin= t=20 would be to 1. carve
out a crescent of the upper wing skin core where= the=20 tire it hitting, 2.
grind down the ridge on the tire where the tread = meets=20 the sidewall, 3.
Reform the middle gear door, or 4. fly with the aft = edge=20 of the middle
gear door about 1/16" away from being flush.

Has= =20 anyone run into this problem? Any suggestions?


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For archi= ves=20 and unsub=20 http://mail.lancaironline.net:81/lists/lml/List.html
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