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04-19-2013, 11:26 PM
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Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,932
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Quote:
Originally Posted by 6 Gun
Not in the plans but I moved my stops for aileron to outboard bracket and used #3 bolts as stops.
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I missed this on first read... Putting your stops at the other end of the aileron means that when you hit the stop, you are apply a twisting load to the aileron. Having the stop at the inboard end means that hitting the stop does not stress the aileron itself, just the stop.
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Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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04-19-2013, 11:52 PM
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Join Date: Jul 2009
Location: England
Posts: 470
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I am busy skinning my fuselage and I can confirm that on the 6 the two belly skins are .025 The front side skins are .032
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04-20-2013, 12:44 AM
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Join Date: Mar 2007
Location: 45G, Brighton, MI
Posts: 1,867
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Quote:
Originally Posted by Snowflake
I missed this on first read... Putting your stops at the other end of the aileron means that when you hit the stop, you are apply a twisting load to the aileron. Having the stop at the inboard end means that hitting the stop does not stress the aileron itself, just the stop.
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I like this idea for aileron stops. I got a 3/4" delrin rod from ACS and am going to try to make stops to fit over the pushrod spacer.
PS: 1000th Post! Sometimes I feel like I spend too much time here...
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Miles (VAF# 1238, Paid up as of 2018)
RV-7 TU 904KM (reserved)
Wings Fitted and Finish Kit on site
Construction Log
Picasa: Empennage Album, Wings Album, Fuselage Album
1955 Cessna 170B flying since 1982
'To get something you never had, you have to do something you never did.' -Unk.
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04-20-2013, 07:59 AM
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Join Date: Jun 2005
Posts: 846
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stops
Thats what i love about this forum i will remiedy the stops.
Thanks Bob
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04-20-2013, 10:34 AM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by Snowflake
I missed this on first read... Putting your stops at the other end of the aileron means that when you hit the stop, you are apply a twisting load to the aileron. Having the stop at the inboard end means that hitting the stop does not stress the aileron itself, just the stop.
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Quote:
Originally Posted by JanRV6UK
I am busy skinning my fuselage and I can confirm that on the 6 the two belly skins are .025 The front side skins are .032
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I guess I remembered incorrectly. I new for sure the sides skins are .032, and that the forward bottom is .040.
Doesn't matter... As I have said before, I have seen with my own eyes, these screws carrying load during static tests.
The arm chair engineers would probably be quite surprised to see how much the wings deflect when loaded to 6 G's...
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04-20-2013, 10:49 AM
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Join Date: Mar 2005
Location: Molalla, Oregon (KOL05)
Posts: 529
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Quote:
Originally Posted by rvbuilder2002
Doesn't matter... As I have said before, I have seen with my own eyes, these screws carrying load during static tests.
The arm chair engineers would probably be quite surprised to see how much the wings deflect when loaded to 6 G's...
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I concur. They would certainly be surprised!
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Joe Blank
RV-6
IO-320-D1A
Advanced Flight Systems
Van's Aircraft Inc. Technical Support-Retired
EAA Tech Counselor & Flight Advisor
www.westcoastravens.com
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04-20-2013, 03:38 PM
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Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,932
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Quote:
Originally Posted by rvbuilder2002
Doesn't matter... As I have said before, I have seen with my own eyes, these screws carrying load during static tests.
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On a -6, or a -7? Just trying to narrow down what testing has been done on a -6 wing. Previous reports were that the -6 wing was tested to its limits at the factory *without* the belly skin.
I have witnessed some static tests in person, and wouldn't at all be surprised how far the wing deflects at 6G. Heck, watching an Airbus wing curl up like a pretzel on takeoff is disconcerting enough. :P
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Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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04-20-2013, 05:01 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by Snowflake
On a -6, or a -7?
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I don't see that it really matters
The wings on all the models flex under +G load.
The top skins get slack and the bottom skins get very tight (as expected).
With all of the screws in place, some of the load being carried in the bottom wing skins is transfered to the fuselage belly skins (regardless what model).
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04-20-2013, 06:31 PM
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Join Date: Jun 2005
Posts: 846
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Teting
It does matter which wing was being tested could you be more to the point about which model and under what condition it was tested as testing does matter and how it was carried out havent heard of any RV6 testing other than Vans.
Thanks Bob
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04-20-2013, 07:26 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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Quote:
Originally Posted by 6 Gun
havent heard of any RV6 testing other than Vans.
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The many static tests I have witnessed, and been involved in, were at Van's.
There actually has been other testing done though... Years ago, some of the European country's required the first example built there to be static tested to limit load (I don't think that is the case any longer though).
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