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firewall engine fittings (CH601-HD )

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carlossa52(at)gmail.com
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Posted: Sun May 19, 2013 10:00 am Post subject: firewall engine fittings (CH601-HD )

Hello, folks

Can someone clear this for me:

The CH601-HD drawings show the lower firewall engine fitting (6F6-3)  with two holes for bolts going through the floor (and extrusion 6F5-4). The forward hole is 18 mm from the forward edge of the fitting.

  

Issues: (1) The firewall flange is 18 mm wide, and even considering that the thickness of the doubler will position the bolt hole a little farther away from the firewall web, the hole will still touch the firewall flange.

  

And (2) drawing 6F9 shows the forward bolt going through the lower firewall doubler (and presumably through the firewall flange). 

I haven't found pictures that clearly show where this bolt was installed by others.

  



Any comments?



Thanks in advance

Carlos



CH601-HD, plans



  [quote][b]

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jaybannist(at)cs.com
Guest

Posted: Sun May 19, 2013 10:39 am Post subject: firewall engine fittings (CH601-HD )

Carlos,

 

 This is a photo of my 601XL under construction.  I don't think it would be that much different from your HD.  It clearly shows the forward bolt hole (with cleco) going through the firewall flange.  As I recall, because of the proximity of the bolt heads, the engine mount bolt had to be inserted and tacked into place before the forward bracket bolt was installed.

 

 Jay

  

     

  

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entecrj(at)sbcglobal.net
Guest

Posted: Sun May 19, 2013 1:07 pm Post subject: firewall engine fittings (CH601-HD )

Carlos:

  

 I will look for a picture of my engine fitting, I fabricated a shim to fit  under the engine fitting to level it out.

  

 Russell Johnson

    

  From: Carlos Sa (carlossa52(at)gmail.com) 

 Sent: Sunday, May 19, 2013 12:59 PM

 To: zenith-list(at)matronics.com (zenith-list(at)matronics.com) 

 Subject: firewall engine fittings (CH601-HD  )

  



          Hello, folks



 

Can someone clear this for me:

The CH601-HD drawings show  the lower firewall engine fitting (6F6-3)  with two holes for bolts going  through the floor (and extrusion 6F5-4). The forward hole is 18 mm from the  forward edge of the fitting.



Issues: (1) The firewall flange is 18 mm  wide, and even considering that the thickness of the doubler will position the  bolt hole a little farther away from the firewall web, the hole will still touch  the firewall flange.



And (2) drawing 6F9 shows the forward bolt going  through the lower firewall doubler (and presumably through the firewall flange).  

I haven't found pictures that clearly show where this bolt was  installed by others.

Any comments?



Thanks in  advance

Carlos



CH601-HD, plans



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