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Cowl plans revision - did the cowls change?

IowaRV9Dreamer

Well Known Member
I have a pink cowl shipped in 2010. I recently got a updated version of the preview plans on USB.

I notice that R2 of DWG 45 (in 2008) deleted Section A-A, and the trimming notes, shown in red below on an R1 version of the drawing.
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The old plans have the trim notes, which say to remove the flange completely along the sides... so the top and bottom cowl essentially touch, but don't overlap.

My question is, did the cowl design change at some point, or is trimming this flange off a bad idea and Vans just updated the drawings. I don't see any changes in the instructions, but they are pretty high level anyway.

I'd ask Vans but I have a question into email for a week already and thought you all might know. I'm planning on quarter turn fasteners on the sides but don't think that matters.

Thanks for any info!
 
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