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Corvair mount bolt length

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naumuk(at)alltel.net
Guest

Posted: Mon Jun 04, 2007 4:14 pm Post subject: Corvair mount bolt length

Corvair people-

     When I found out that you needed  longer than kit-supplied firewall mount bolts for a Corvair installation, I  took the advice of a fellow lister and got some 3-1/2" bolts and was going to  retrofit them to the kit mounts.

     Then, Craig Payne sent me a set  that he wasn't using that have 2-3/4" bolts. 

     My question is, can I get by  with 2-3/4" bolts, or am I back to square 1?

 Bill Naumuk

HDS Fuse/Corvair

Townville,  Pa

   [quote][b]

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craig(at)craigandjean.com
Guest

Posted: Mon Jun 04, 2007 4:42 pm Post subject: Corvair mount bolt length

Do you have your motor mount? My WW mount had 1.5 inch  or 38 mm tubes on it just like Zenith shows on their Lycoming O-235 dynafocal  mount (sheet 6-YE-2 in the plans). Have you searched the Corvair list archives?  There was a lot of traffic on this.

  

 http://www.maddyhome.com/corvairsrch/index.jsp

  

 -- Craig

  

   [quote][b]

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naumuk(at)alltel.net
Guest

Posted: Mon Jun 04, 2007 5:20 pm Post subject: Corvair mount bolt length

Craig-

     No, I don't have the mount. How  do I access the Corvair archives?

     Here's a question for all. What  is the recommended radius for the crank journal sides? Just miked my journals  and I have to go .010 under, so I know I'm going to have to have the radii  put in. Have to give the machinists a number to hit.

                                      do not  archive

     

     

 Bill Naumuk

HDS Fuse/Corvair

Townville, Pa

 [quote]   ---

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craig(at)craigandjean.com
Guest

Posted: Mon Jun 04, 2007 5:30 pm Post subject: Corvair mount bolt length

Just click on the link in my message. Here it is  again:

  

 www.maddyhome.com/corvairsrch/index.jsp

  

 Also Nick sent me  this back in Feb '06:

  

 "In the latest  edition, we no longer weld the bolt to the engine mount fitting. For the lower  engine mount fittings, installing the bolt after the fitting is installed to the  fuselage allows for better alignment.

For a 38mm long bushing, allow  approximately 3mm to go through the fitting, the doubler and firewall = 41mm A  better bolt to use is an AN6-22A (grip length =  1-11/16")"

  

 --  Craig

[quote] [b]

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naumuk(at)alltel.net
Guest

Posted: Mon Jun 04, 2007 6:03 pm Post subject: Corvair mount bolt length

Gotcha. Thanks.

                                       do not  archive

 Bill Naumuk

HDS Fuse/Corvair

Townville, Pa

 [quote]   ---

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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