X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 14 Oct 2014 15:12:32 -0400 Message-ID: X-Original-Return-Path: Received: from vms173019pub.verizon.net ([206.46.173.19] verified) by logan.com (CommuniGate Pro SMTP 6.0.10) with ESMTP id 7214643 for lml@lancaironline.net; Tue, 14 Oct 2014 14:12:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.19; envelope-from=bbradburry@verizon.net Received: from Desktop ([unknown] [173.57.170.65]) by vms173019.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0NDG00EUM5745A30@vms173019.mailsrvcs.net> for lml@lancaironline.net; Tue, 14 Oct 2014 13:11:29 -0500 (CDT) From: "Bill Bradburry" X-Original-To: "'Lancair Mailing List'" References: In-reply-to: Subject: RE: [LML] Re: Safety wiring will pants X-Original-Date: Tue, 14 Oct 2014 13:11:29 -0500 X-Original-Message-id: <17577DACF80C436B86E18D2E77EAEB0F@Desktop> MIME-version: 1.0 Content-type: multipart/alternative; boundary="----=_NextPart_000_000C_01CFE7B0.5E010820" X-Mailer: Microsoft Office Outlook 11 Thread-index: Ac/nvHbMQb/7wocVQpW8OUURjAIAsAAHMsdQ X-MIMEOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_000C_01CFE7B0.5E010820 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I too have lost one of these bolts. I haven=92t done this, but you could drill a couple of 1/16 inch holes = in the wheel pant maybe =BD inch or so apart, aft of the bolt and run a safety = wire thru them. Alternatively, you could flox in a small loop of safety wire just aft of the bolt that you could use as an attachment for a safety = wire. Similar to the way that the fuel drains in the wings are safetied =20 Bill . =20 _____ =20 From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = Skip Slater Sent: Tuesday, October 14, 2014 9:38 AM To: Lancair Mailing List Subject: [LML] Re: Safety wiring will pants =20 When we built up my ES wheel pants, we bonded a large metal washer to = the outside of the bolt holes, then put filler on the sides to blend it in = and a couple of BID over it. The idea was to prevent stress from cracking the fiberglass by creating a hard point and spreading the load. It doesn't protect the paint - I put a flat washer under the bolt to do that. I've also lost bolts and spacers twice, even though I preflight exactly the = same way Gary described; by wiggling the back end of the pant to check for tightness on each walkaround. Even though I now put Locktite on the = ends of the threads, that bolt will still back it's way out over time. I just = found one loose the last time I went flying a couple of days ago and it took = about a turn and a half to get the bolt tight again. =20 If I had it to do over again, I'd probably figure out a way to secure = the bolt because it's been a persistent issue.=20 =20 Skip Slater From: Gary Casey =20 Sent: Tuesday, October 14, 2014 3:49 AM To: Lancair Mailing List=20 Subject: [LML] Re: Safety wiring will pants =20 I have found that the bolt needs to be part of the preflight inspection. Just wiggle the aft tip of the pant and if it moves, tighten the bolt. I hesitate to really tighten it as it would crush the pant material, so = it's a judgement call. If you don't tighten it enough it for sure will come = loose. I'm guessing, but it seems like about 10 ft-lbs is enough. One way to = fix it would be to put a small (SS?) metal plate on the surface screwed to the pant, maybe with one screw behind the hole. Then put a star washer under = the bolt head. Those bolt heads bug me - they must be costing 2 knots! I was going to either build a cavity in the pant to make them flush or to find = a button head bolt. I did neither. Gary I have lost my outer bolt and spacer two times now for my wheel pants on the=3D main gear. Has anybody considered a way to safety wire the bolt to the wheel pant = the b=3D olt to prevent loosing them inflight? I just hope it didn't hit anybody. =20 ------=_NextPart_000_000C_01CFE7B0.5E010820 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I too have lost one of these = bolts.

I haven’t done this, but you = could drill a couple of 1/16 inch holes in the wheel pant maybe =BD inch or so = apart, aft of the bolt and run a safety wire thru them.=A0 Alternatively, you could = flox in a small loop of safety wire just aft of the bolt that you could use as = an attachment for a safety wire.=A0 Similar to the way that the fuel drains = in the wings are safetied

 

Bill .

 

From: = Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of Skip Slater
Sent: Tuesday, October = 14, 2014 9:38 AM
To: Lancair Mailing List
Subject: [LML] Re: Safety = wiring will pants

 

When we built up my ES wheel pants, we bonded a large = metal washer to the outside of the bolt holes, then put filler on the = sides to blend it in and a couple of BID over it.  The idea was to prevent = stress from cracking the fiberglass by creating a hard point and spreading the load.  It doesn't protect the paint - I put a flat washer under the = bolt to do that.  I've also lost bolts and spacers twice, even though I preflight exactly the same way Gary described; by wiggling the back end = of the pant to check for tightness on each walkaround.  Even though I now = put Locktite on the ends of the threads, that bolt will still back it's way = out over time.  I just found one loose the last time I went flying a = couple of days ago and it took about a turn and a half to get the bolt tight = again.

 

If I had it to do over again, I'd probably figure out = a way to secure the bolt because it's been a persistent = issue. 

 

Skip Slater

From: Gary = Casey

Sent: = Tuesday, October 14, 2014 3:49 AM

Subject: [LML] = Re: Safety wiring will pants

 

I have found that the bolt needs to be part of the preflight inspection. = Just wiggle the aft tip of the pant and if it moves, tighten the bolt. I = hesitate to really tighten it as it would crush the pant material, so it's a = judgement call. If you don't tighten it enough it for sure will come loose. I'm = guessing, but it seems like about 10 ft-lbs is enough. One way to fix it would be = to put a small (SS?) metal plate on the surface screwed to the pant, maybe with = one screw behind the hole. Then put a star washer under the bolt head. Those = bolt heads bug me - they must be costing 2 knots! I was going to either build = a cavity in the pant to make them flush or to find a button head bolt. I = did neither.

Gary

=



I have lost my outer bolt = and spacer two times now for my wheel pants on the=3D
main gear.

Has anybody considered a = way to safety wire the bolt to the wheel pant the b=3D
olt to prevent loosing = them inflight?

I just hope it didn't hit = anybody.

=

 <= /o:p>

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