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Tri gear front bulkhead

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aireupora(at)sbcglobal.ne
Guest

Posted: Sun Jun 22, 2008 3:19 pm Post subject: Tri gear front bulkhead

I have found one drawing of the front bulkhead that shows two pieces cut to 260 x 260x3mm, but my opening is larger and I can't find what chapter it addresses this bulkhead. [quote][b]

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philip_lincoln(at)hotmail
Guest

Posted: Mon Jun 23, 2008 1:55 am Post subject: Tri gear front bulkhead

This was mentioned in the Tech Talk part of 'Europa Aircraft News' from Dec. 1999 (Issue No.24). Has still not been added to the manual as far as I can see.

 I built it in before bonding in the Cockpit Module (tricky to do after bonding I think...), i.e. it should probably be part of Ch.17. I first measured the actual sizes that would be needed then cut and trimed (the ply) to fit 'exactly'.

 Have attached a photo of the page (can send the original to anyone who wants/needs it).

  

 Regards,

    Philip Lincoln (Stockholm, Sweden, Kit 426)

  

  	  Quote: 	
		    Date: Sun, 22 Jun 2008 16:15:29 -0700

From: aireupora(at)sbcglobal.net

Subject: Tri gear front bulkhead

To: europa-list(at)matronics.com



I have found one drawing of the front bulkhead that shows two pieces cut to 260 x 260x3mm, but my opening is larger and I can't find what chapter it addresses this bulkhead. 	
Här hittar du allt om Allsvenskan! MSN Sport

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pjeffers(at)talktalk.net
Guest

Posted: Mon Jun 23, 2008 5:44 am Post subject: Tri gear front bulkhead

Hi Phillip,  

I have followed up your enquiry re the bulkhead on Tri Gear Europas with Roger Bull at the factory.  It would seem there has been a bit of lack of joined up action.  

   

You are quite right to notice the issue of the instruction in the Europa Aircraft News.  At the time it was issued as a structural requirement for Tri Gears only.  Subsequent analysis by Barry Mellors at the then PFA now LAA has shown that this bulkhead is not necessary.  This is why it never appeared in the manual.  Unfortunately the factory failed to issue any notice to this effect and hence your query.  

   

I hope this helps  

   

Pete Jeffers (Europa Club Inspector)    

       

  

From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Philip Lincoln

 Sent: 23 June 2008 10:50

 To: europa-list(at)matronics.com

 Subject: RE: Tri gear front bulkhead  

   

   

This was mentioned in the Tech Talk part of 'Europa Aircraft News' from Dec. 1999 (Issue No.24). Has still not been added to the manual as far as I can see.

 I built it in before bonding in the Cockpit Module (tricky to do after bonding I think...), i.e. it should probably be part of Ch.17. I first measured the actual sizes that would be needed then cut and trimed (the ply) to fit 'exactly'.

 Have attached a photo of the page (can send the original to anyone who wants/needs it).

  

 Regards,

    Philip Lincoln (Stockholm,  Sweden, Kit 426)

        

  

Date: Sun, 22 Jun 2008 16:15:29 -0700

 From: aireupora(at)sbcglobal.net

 Subject: Tri gear front bulkhead

 To: europa-list(at)matronics.com

 

 I have found one drawing of the front bulkhead that shows two pieces cut to 260 x 260x3mm, but my opening is larger and I can't find what chapter it addresses this bulkhead.   

       

  

Här hittar du allt om Allsvenskan! MSN Sport  

     

No virus found in this incoming message.

 Checked by AVG.

 6/22/2008 7:52 AM

   

    [quote][b]

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aireupora(at)sbcglobal.ne
Guest

Posted: Mon Jun 23, 2008 3:48 pm Post subject: Tri gear front bulkhead

looks like I goofed!!!



Philip Lincoln <philip_lincoln(at)hotmail.com> wrote:  [quote]    .hmmessage P  {  margin:0px;  padding:0px  }  body.hmmessage  {  FONT-SIZE: 10pt;  FONT-FAMILY:Tahoma  }    This was mentioned in the Tech Talk part of 'Europa Aircraft News' from Dec. 1999 (Issue No.24). Has still not been added to the manual as far as I can see.

I built it in before bonding in the Cockpit Module (tricky to do after bonding I think...), i.e. it should probably be part of Ch.17. I first measured the actual sizes that would be needed then cut and trimed (the ply) to fit 'exactly'.

Have attached a photo of the page (can send the original to anyone who wants/needs it).

 

Regards,

   Philip Lincoln (Stockholm, Sweden, Kit 426)

 

   	  Quote: 	
		      Date: Sun, 22 Jun 2008 16:15:29 -0700

From:  aireupora(at)sbcglobal.net

Subject: Tri gear front bulkhead

To: europa-list(at)matronics.com



I have found one drawing of the front bulkhead that shows two pieces cut to 260 x 260x3mm, but my opening is larger and I can't find what chapter it addresses this bulkhead. 	


    Här hittar du allt om Allsvenskan! MSN Sport [b]

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aireupora(at)sbcglobal.ne
Guest

Posted: Mon Jun 23, 2008 3:51 pm Post subject: Tri gear front bulkhead

If I read this correctly I do need need the bulkhead.  Does the stainless steel plating around the nose mount stop the air from going down the tunnel area?  I would think that the air is not stopped.  I'm wondering if there will be smells from the engine coming through the tunnel.



Peter Jeffers <pjeffers(at)talktalk.net> wrote:  [quote]      v\:* {behavior:url(#default#VML);}  o\:* {behavior:url(#default#VML);}  w\:* {behavior:url(#default#VML);}  .shape {behavior:url(#default#VML);}    <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />    st1\:*{behavior:url(#default#ieooui) }                Hi Phillip,

  I have followed up your enquiry re the bulkhead on Tri Gear Europas with Roger Bull at the factory.  It would seem there has been a bit of lack of joined up action.

   

  You are quite right to notice the issue of the instruction in the Europa Aircraft News.  At the time it was issued as a structural  requirement for Tri Gears only.  Subsequent analysis by Barry Mellors at the then PFA now LAA has shown that this bulkhead is not necessary.  This is why it never appeared in the manual.  Unfortunately the factory failed to issue any notice to this effect and hence your query.

   

  I hope this helps

   

  Pete Jeffers  (Europa Club Inspector)  

   

      

  From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Philip Lincoln

Sent: 23 June 2008 10:50

To: europa-list(at)matronics.com

Subject: RE: Tri gear front bulkhead

   

   

  This was mentioned in the Tech Talk part of 'Europa Aircraft News' from Dec. 1999 (Issue No.24). Has still not been added to the manual as far as I can see.

I built it in before bonding in the Cockpit Module (tricky to do after bonding I think...), i.e. it should probably be part of Ch.17. I first measured the actual sizes that would be needed then cut and trimed (the ply) to fit 'exactly'.

Have attached a photo of the page (can send the original to anyone who wants/needs it).

 

Regards,

   Philip  Lincoln (<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />Stockholm, Sweden, Kit 426)

 

      

  Date: Sun, 22 Jun 2008 16:15:29 -0700

From: aireupora(at)sbcglobal.net

Subject: Tri gear front bulkhead

To: europa-list(at)matronics.com



I have found one drawing of the front bulkhead that shows two pieces cut to 260 x 260x3mm, but my opening is larger and I can't find what chapter it addresses this bulkhead.

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christoph.both(at)acadiau
Guest

Posted: Mon Jun 23, 2008 5:58 pm Post subject: Tri gear front bulkhead

Folks,

A bulkhead keeps all the fumes from the engine compartment out of the

tunnel, where because of an slight lower pressure of the cabin during

flight (if you have done the air ventilation right) it will be partially

sucked into the cabin). 

It takes only an hour or so to size the two 3mm plywood parts, and glass

them in (fix them with 5 minute epoxy!. The entire step took only 2

hours if I remember right. The bulkhead now serves me also beautifully

as mounting base for fuel pump and other smaller items (glider wing

spoiler mechanism bracket). It will also be protected on the engine

facing side with a stainless steel insulation blanket (Firewall 200,

Aircraft Spruce) to keep off heat and in case of fire being sucked

through (which it WILL because it follows the line of lower pressure out

under the belly) it will be stopped by this security blanket.

There is every reason for TRI to have a completely closing bulkhead.

Christoph Both

#223

Wolfville, Nova Scotia   



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ptag.dev(at)tiscali.co.uk
Guest

Posted: Mon Jun 23, 2008 10:37 pm Post subject: Tri gear front bulkhead

Hi! Cristoph and all

I absolutely concur with your statement below. However ply burns so I

used my piece of firewall removed for the landing gear frame, and by the

good graces of a friend I obtained about 3" more to make up my forward

bulkhead so now I have a fire resistant bulkhead in the front of the

tunnel behind the stainless bulkhead. Ok structurally it may not be

required but the fire problem is still a real consideration.



Regards

Bob Harrison G-PTAG Trike 914 c/w intercooler.



--

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pjeffers(at)talktalk.net
Guest

Posted: Mon Jun 23, 2008 11:54 pm Post subject: Tri gear front bulkhead

Hi all,



So there you have it.  If you want to fix a bulkhead in place then there is

no reason not to do so if you wish (Europa drawings were raised to construct

it from ply and have not been withdrawn yet). It is not practical to install

it if you are Mono, due retracting gear. 

The metal fire proof bulkhead (or Singleton Resin bulkhead) is intended to

be fire, fume and smoke resistant so the need for another bulkhead may just

be gilding the lily and adding weight. Your choice at the end of the day.

In 1300 hours of flying Europas without this bulkhead, both mono & Tri, I

have never experienced fumes in the cockpit with the sole exception of when

carrying out stall testing. Perhaps a good stall warning!!!  I doubt the

extra bulkhead would have stopped this smell as I suspect it enters via a

different route anyway.



Pete Jeffers



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