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rowlandcarson(at)gmail.co
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 Posted: Sat Feb 13, 2016 1:30 pm Post subject: firewall problem |
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I’ve been trying to fit the stainless steel pieces for the firewall. However, I fear I may have an intractable problem with installing it as described in the manual.
There is very little clearance between the rudder cable actuating horn on the aft rudder tube and the diagonal tube of the landing gear frame. I was able to slip the card templates in there without much trouble, and after convincing myself that everything fitted, I transferred the (slightly edited) patterns to the stainless steel sheet.
However, I cannot persuade the starboard side piece of steel to bend in a way that keeps it in contact with the tube of the landing gear frame, and thus clear of the rudder mechanism, at that critical point. And that’s before I’ve tried to overlay the bottom piece of steel to form the joint along that diagonal tube.
The P-clip that holds the starboard side piece of steel sheet to the lower diagonal tube of the frame forces it to be clear of the tube at the top, and the protruding end of the lower tube keeps the steel sheet away from the tube at the bottom. I suppose theoretically it should be possible to panel-beat the required complex shape but that is above my pay grade. Even so, to get 2 thicknesses in just the right place and not rubbing on the rudder actuating horn might be quite a challenge!
Possible solutions that have so far occurred to me are:
(1) Make a small piece of stainless sheet to cover just that area of the tube, with a simple cylindrical bend, and somehow join it to the starboard side panel and the lower panel further away so that there is only one thickness of steel at the critical area. Anyone in UK done this?
(2) Try to make a complete new firewall in a slightly different location, as suggested in the Europa Club Hints & Tips - originally posted by by Graham Clarke on 9 Dec 1995. He suggests putting the firewall in the plane of the vertical members of the landing gear frame, so that is just in front of the bungees and does not interfere with the rudder mechanism. Obviously it would need to be made in at least 2 parts, but it looks as though it would be simpler to do that the pyramidal design in the manual. Has anyone done this under LAA jurisdiction? Is there a mod number?
(3) Does Graham Singleton’s phenolic firewall solve this problem? And if so, is it still available? [Hello Graham, are you out there?]
Does anyone else have another idea? I don’t feel like ripping out the footrests to re-position the rudder tubes further forward, or removing the landing gear frame to re-position it further aft!
All comments welcome.
in friendship
Rowland
Europa 435 G-RODO
| Rowland Carson ... that's Rowland with a 'w' ...
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spcialeffects
Joined: 29 Aug 2012
Posts: 306
Location: Kent
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| Posted: Sat Feb 13, 2016 2:00 pm Post subject: Re: firewall problem |
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Hi Rowland. Answer to number 3, No Graham's firewall isn't available anymore unfortunately
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ptag.dev(at)talktalk.net
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| Posted: Sat Feb 13, 2016 5:49 pm Post subject: firewall problem |
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Hi! Rowland.
I overcut the slots in the stainless sheet and over covered the slots with
fire sleeve rubber and cut the rubber to accommodate the rudder actuating
lever/clevises/springs and cable to pass through it as necessary.
(not yet tested with fire in the engine compartment !!!)
Regards
Bob Harrison G-PTAG.
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jan_de_jong(at)casema.nl
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| Posted: Sun Feb 14, 2016 1:58 am Post subject: firewall problem |
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Rowland,
Like Bob, large holes to accommodate ...... etc.,
but made s. s. doghouses with a slot just for the cable ahead of rubbing
blocks.
Port one permanently attached to the foot well.
Attached to main firewall with smallest anchor nuts and NAS bolts.
Starboard one to side piece, port one to both bottom piece and top piece.
I have lowered foot plate (Ian Rickard 10665), so my details may not be
valid.
Ron Parigoris did this (see europaowners site) and I couldnt help myself.
Not tested except for free movement.
Jan
On 2/14/2016 2:48 AM, Bob Harrison wrote:
[quote]
Hi! Rowland.
I overcut the slots in the stainless sheet and over covered the slots with
fire sleeve rubber and cut the rubber to accommodate the rudder actuating
lever/clevises/springs and cable to pass through it as necessary.
(not yet tested with fire in the engine compartment !!!)
Regards
Bob Harrison G-PTAG.
--
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Bill & Sue
Joined: 10 Jan 2006
Posts: 48
Location: Malvern, Worcs. UK (Defford, Croft Farm)
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| Posted: Mon Feb 15, 2016 4:23 am Post subject: Re: firewall problem |
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Rowland,
I did a mod to put a stainless firewall to the rear of the engine and undercarriage frame, having tried the original version and the Singleton mod too it is a lot easier to fit and seal. Not that my aircraft is any nearer flying at the moment as we have be going through house moving upheavals -but back on with it soon, honest!
I got the nod from the LAA and I believe Kelvin Weston used the mod after seeing it on the Europa or LAA website- I can't see it on either site at the moment so here is a copy of the application. If it is of any interest drop me a line (or 07768 028899) and I'll look out the drawings.
Regards
Bill
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| Description: |
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Download |
| Filename: |
LAA-MOD 3 - Europa 465 Firewall Mod Proposal.doc |
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165.5 KB |
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513 Time(s) |
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Burrilla
Joined: 25 Apr 2015
Posts: 183
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| Posted: Mon Feb 15, 2016 5:35 am Post subject: firewall problem |
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Bill,
I would be interested in seeing the drawings please as like Rowland I am looking at the Firewall arrangements but on my Mono Build.
Thank and Kind Regards
Alan Burrill
Kit 0303
| Quote: | On 15 Feb 2016, at 12:23, Bill & Sue <Billandsue(at)billbell.co.uk> wrote:
Rowland,
I did a mod to put a stainless firewall to the rear of the engine and undercarriage frame, having tried the original version and the Singleton mod too it is a lot easier to fit and seal. Not that my aircraft is any nearer flying at the moment as we have be going through house moving upheavals -but back on with it soon, honest!
I got the nod from the LAA and I believe Kelvin Weston used the mod after seeing it on the Europa or LAA website- I can't see it on either site at the moment so here is a copy of the application. If it is of any interest drop me a line (or 07768 028899) and I'll look out the drawings.
Regards
Bill
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=452827#452827
Attachments:
http://forums.matronics.com//files/laa_mod_3__europa_465_firewall_mod_proposal_632.doc
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Bill & Sue
Joined: 10 Jan 2006
Posts: 48
Location: Malvern, Worcs. UK (Defford, Croft Farm)
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| Posted: Tue Feb 16, 2016 3:24 am Post subject: Re: firewall problem |
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Alan,
I'd be very happy to send you the drawings, however mine's a Trigear and I don't think my version of the firewall would work with the monowheel as the mod moves the stainless firewall aft of the frame.
Regards
Bill
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Burrilla
Joined: 25 Apr 2015
Posts: 183
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| Posted: Tue Feb 16, 2016 3:31 am Post subject: firewall problem |
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Ok Understood.
Thanks
Alan
Do Not Archive
| Quote: | On 16 Feb 2016, at 11:24, Bill & Sue <Billandsue(at)billbell.co.uk> wrote:
Alan,
I'd be very happy to send you the drawings, however mine's a Trigear and I don't think my version of the firewall would work with the monowheel as the mod moves the stainless firewall aft of the frame.
Regards
Bill
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=452885#452885
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