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VHB Tape vs Rivets

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3edcft6(at)cox.net
Guest

Posted: Tue Oct 09, 2007 12:51 pm Post subject: VHB Tape vs Rivets

I have recently seen an episode of "Modern Marvels" on the history 

channel called "Sticky Stuff".  One of the things they had on that show, 

is this tape called VHB tape made by 3M.  In a test they repeatedly 

impacted a 16 lb bowling ball against 2 sheets of aluminum bonded with 

VHB tape till it failed, then they did the same test with the 2 sheets 

of aluminum riveted together.  Since this was 3M doing the test, 

obviously there tape performed better.  However based on the fact that 

bowling balls are between 8.5 and 8.6" in diameter, it appears as they 

only had a rivet every 4 inches.  I would be really curious to see how 

the tape compared to doing it with the appropriate number of rivets.  

Anyone want to try the test?  Below is a link to a youtube video of the 

demonstration.



http://youtube.com/watch?v=ZhKreIqU_R4

-- 

Chris W

KE5GIX



"Protect your digital freedom and privacy, eliminate DRM, 

learn more at http://www.defectivebydesign.org/what_is_drm"

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Dave(at)AirCraftersLLC.co
Guest

Posted: Wed Oct 10, 2007 3:46 pm Post subject: VHB Tape vs Rivets

I've been told first hand by an experienced RV4 builder in California that

he used VHB tape to stick the stiffeners to the inside of his elevators.  He

had prior experience with it and has flown it many hours since.  No

problems.



We use it here and there for non-structural items and it works great, but I

have not done long-term testing.



Dave Saylor

AirCrafters LLC

140 Aviation Way

Watsonville, CA 

831-722-9141

831-750-0284 CL

www.AirCraftersLLC.com

 



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