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Quality of Zenith fiberglass parts

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grs-pms(at)comcast.net
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Posted: Wed Oct 11, 2006 3:48 pm Post subject: Quality of Zenith fiberglass parts

Does anyone know which resin those parts are made  with?  I have been told that parts laid up with polyester resins are  less dimensionally stable than those using epoxy.  The "bumps"  supplied for my Stratus engine cowl certainly didn't match the contour of  the basic cowl.  I had to cut the whole flange away, and the large bump  still wasn't usable.

  

 I made a plywood nose rib segment to fit inside my  stabilizer tips and used a heat gun to soften them until I could force the rib  segments into place.  When things cooled down the fit was good.  I  then discarded the plywood pieces.  I suppose that I could have  epoxied them into place to be sure that the contour stayed the  same.

  

 George

  

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larry(at)macsmachine.com
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Posted: Wed Oct 11, 2006 4:52 pm Post subject: Quality of Zenith fiberglass parts

George,

The Zenith Stratus cowling is polyester resin product.  I don't think 

you've got a problem with polyester resin. I removed the segment for the 

bump and

reduced the size of the bump provided by doing a layup over a smaller 

template.  It went on fine and was reinforced by doubling the inside 

area and the

narrow outside seam.  No problems so far.  I used a fiberglass cloth and 

resin from the local Farm and Fleet.

http://www.macsmachine.com/images/cowling/full/cowlcheekinstall.gif

http://www.macsmachine.com/images/cowling/full/leftcheekclearance.gif

Only needed to worry about the left side being close.



Larry McFarland - 601HDS at www.macsmachine.com

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George Swinford wrote:



 	  Quote: 	
		   Does anyone know which resin those parts are made with?  I have been 

 told that parts laid up with polyester resins are less dimensionally 

 stable than those using epoxy.  The "bumps" supplied for my Stratus 

 engine cowl certainly didn't match the contour of the basic cowl.  I 

 had to cut the whole flange away, and the large bump still wasn't usable.



 George

  

 Do not archive



*

*

- The Matronics Zenith-List Email Forum -

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:

http://www.matronics.com/Navigator?Zenith-List

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