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06-29-2014, 09:51 AM
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Join Date: Jan 2011
Location: Carl Junction, MO
Posts: 172
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Windscreen lower fairing rivits?
Hey all!
Advice requested.. I have almost finished the sanding of the windscreen fairing and the plans say to drill the lower fairing and install pop rivits to secure the fairing to the top skin. Ive looked all over to see if anyone has done this. Cant seem to find anything other than nice layups and final sanding to smooth finish. What is the advice here? Install the pops or just leave alone after sanding complete?
Thanks!!
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06-29-2014, 10:29 AM
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Join Date: Jan 2010
Location: Ottawa, Ks
Posts: 2,188
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I did an aluminum windshield fairing on my 7, but I believe you want to install the blind rivets prior to final sanding. Countersink the fairing slightly below flush, install rivets and add filler over top and then final sanding.
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RV 7 400 hours and counting
19 donation done
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06-29-2014, 12:30 PM
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Join Date: Nov 2010
Location: lake charles, La.
Posts: 699
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Yes
I did install the rivets according to plans. They where installed after doing all the glass fabric lay up and before the glass filler used to smooth and blend.
Hope this helps
Bird
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Bird
rv8 entire airframe at airport now, painting done, intersection and gear upper and lower fairings done, maybe order engine around first of year or before the next rate increase.
"to fly is a privilege that I am so thankful to God for"
http://www.mykitlog.com/tcb328/
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06-29-2014, 01:26 PM
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Join Date: Jan 2011
Location: Carl Junction, MO
Posts: 172
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Thanks for response. Bird, I didnt see in your log where you rivited but glad to here you did. I havent seen anyone post anything about drilling and rivitting that area so I was thinking that folks just were not doing it possibly to limit extra holes in the top skin. Anyway, Guess I'll do it tomorrow. Thanks!
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06-29-2014, 03:37 PM
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Join Date: Jul 2007
Location: Pembrokeshire, UK
Posts: 224
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Bill is this what you re referring to? ...
Log entry here
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Bob Ellis
www.rv-8.co.uk
G-JBTR Having a ball flying this wonderful machine
Donation July 2016
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06-29-2014, 03:58 PM
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Join Date: Jan 2011
Location: Carl Junction, MO
Posts: 172
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Not really Bob. I've seen your post before actually and thought about it for myself but decided to follow plans. They show rivets thru the fairing as though to keep it secured to the metal where yours looks to be securing windscreen only. Did your fairing over the clips get riveted down as well? That's what I'm checking to see. If folks are bothering to rivet it or not.
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06-29-2014, 09:53 PM
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Join Date: Oct 2008
Location: Hales Corners, WI
Posts: 981
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I did. Not flying quite yet so no pirep.
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Jesse Bentley
N229Z - RV-8 - Flying - Livin' the dream!
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06-30-2014, 03:02 AM
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Join Date: Dec 2005
Posts: 976
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Glass / Resin does not bond well to Aluminium... it appears to, but a decent blow / flexing of the metal will see the resin / metal adhesion just cleanly come apart... hence why in a few places, the glass / metal join is held in place with Rivets - the rivets to my amateur eye prevent the debonding process being able to start.
Due to a mishap after ~500hrs flying, I had cause to remove our windscreen from the fuselage. I drilled out the pop-rivets from under the coaming, and 1 or 2 decent taps from a soft hammer and the windscreen / fuselage separated cleanly into the 2 parts. A lesson was when you fit the windscreen, knock the mandrels out of the rivets - this makes any later drilling out much cleaner/easier. The windscreen went back on very easily and reused the rivet holes. As a result, I would suggest that finding a "stronger" / more permanent adhesive is not necessarily a great idea - not sure you could get it apart if you needed to? (Has also been quoted in the sikaflex v riveting canopy debate).
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06-30-2014, 11:43 AM
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Join Date: Jul 2007
Location: Pembrokeshire, UK
Posts: 224
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Hi Bill
No I did not rivet the mold in place fairing as the plans indicated this as an option rather than an instruction. In hindsight and with Andy's experience I would rivet for belts and braces.
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Bob Ellis
www.rv-8.co.uk
G-JBTR Having a ball flying this wonderful machine
Donation July 2016
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06-30-2014, 07:58 PM
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Join Date: Jan 2011
Location: Carl Junction, MO
Posts: 172
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Just and update. As Bob said, its an option. After looking at the drawing, It said this was optional too. I decided to go ahead with it thinking that the extra insurance to keep the fairing firmly in place would ease my mind some. It didn't take very much time either and Im happy that I did it. View my log if interested in a pic or two.
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