Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Mon, 20 Oct 2003 10:46:22 -0400 Message-ID: X-Original-Return-Path: Received: from [64.4.8.88] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2643018 for lml@lancaironline.net; Sun, 19 Oct 2003 22:44:16 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 19 Oct 2003 19:32:49 -0700 Received: from 67.1.48.40 by law9-oe31.law9.hotmail.com with DAV; Mon, 20 Oct 2003 02:32:49 +0000 X-Originating-IP: [67.1.48.40] X-Originating-Email: [gary21sn@hotmail.com] From: "Gary Edwards" X-Original-To: "LML" Subject: Drilling the Lancair Fiberglass Panel X-Original-Date: Sun, 19 Oct 2003 19:32:32 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0477_01C39677.BDCFE960" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 8.5 X-MimeOLE: Produced By MSN MimeOLE V8.50.0017.1202 Seal-Send-Time: Sun, 19 Oct 2003 19:32:32 -0700 X-Original-Message-ID: X-OriginalArrivalTime: 20 Oct 2003 02:32:49.0627 (UTC) FILETIME=[74504AB0:01C396B2] This is a multi-part message in MIME format. ------=_NextPart_000_0477_01C39677.BDCFE960 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ed, >>I've been drilling holes in the Lancair supplied Fiberglass Instrument = Panel=20 >>for my 235 (switches/lights/breakers etc.) and I'm having a tough time = getting=20 >>good clean holes. Most holes have delamination around the hole on the = >>backside of the panel.=20 I submit that because of the course weave of the fiberglass, the type of = resin used, and the layup method (gel coat on the front side) of the 235 = panels, drilling through the panel will always leave a frayed rough = fiberglass cloth finish on the back side as the drill cuts through, so = the panel backside glass will need to be touched up with sandpaper. >>You can make a much nicer looking panel and with today's >>radios, you don't need that center bulge to accomodate the long radios = of >>yesteryear. The 235 header tank is larger than and of a different shape (L-shape) = than the 320/360 header tank. So, most likely you will need that center = bulge to have enough room for the radio stack. Including the wiring = harness connection with antenna leads, and considering the header tank = fuel inlets and vent line outlets, there isn't much room left over = (taking into consideration a King KX-155 NavCom and Apollo 2001 GPS). = And that is with the panel in the vertical position. If the panel is = tilted slightly for the tall pilots, there is even less room between the = radios and the header tank. >>An even better idea is to make your panel out >>of aluminium. There is likely going to less available room on the already small 235 = panel when using metal panels than leaving the fiberglass in place. = Leaving some fiberglass material around the cutout to mount the nut = plates for the metal panel inserts will limit the usable area. Some of = the items on my all glass panel are mounted very near the edge. (ie, the = traditional 6 flight instruments are mounted at the very bottom of the = panel and at the extreme edge the the radio stack line to get enough = clearance at the top to close the canopy) =20 Gary Edwards LNC2 N21SN 235/320 =20 ------=_NextPart_000_0477_01C39677.BDCFE960 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ed,
 
>>I've been drilling holes in the Lancair supplied Fiberglass = Instrument Panel
>>for my 235 (switches/lights/breakers etc.) = and I'm=20 having a tough time getting
>>good clean holes.  Most = holes have=20 delamination around the hole on the
>>backside of the=20 panel. 
 
I submit that because of the course weave of the fiberglass, the = type of=20 resin used, and the layup method (gel coat on the front side) of = the=20 235 panels, drilling through the panel will always leave a = frayed=20 rough fiberglass cloth finish on the back side as the drill cuts = through,=20 so the panel backside glass will need to be touched up with = sandpaper.
 
>>You can make a much nicer looking panel and with=20 today's
>>radios, you don't need that center bulge to = accomodate the=20 long radios of
>>yesteryear.
 
The 235 header tank is larger than and of a different shape = (L-shape) than=20 the 320/360 header tank.  So, most likely you will need that = center=20 bulge to have enough room for the radio stack.  Including the = wiring=20 harness connection with antenna leads, and considering the header tank = fuel=20 inlets and vent line outlets, there isn't much room left over (taking = into=20 consideration a King KX-155 NavCom and Apollo 2001 GPS).  And = that is=20 with the panel in the vertical position.  If the panel is=20 tilted slightly for the tall pilots, there is even less room = between the=20 radios and the header tank.
 
>>An even better idea is to make your panel out
>>of = aluminium.
 
There is likely going to less available room on the already = small=20 235 panel when using metal panels than leaving the fiberglass in=20 place.  Leaving some fiberglass material around the cutout to mount = the nut=20 plates for the metal panel inserts will limit the usable area.  = Some of the=20 items on my all glass panel are mounted very near the edge. (ie, the = traditional=20 6 flight instruments are mounted at the very bottom of the panel and at = the=20 extreme edge the the radio stack line to get enough clearance at = the top to=20 close the canopy)   
 
Gary Edwards
LNC2 N21SN
235/320  
------=_NextPart_000_0477_01C39677.BDCFE960--