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07-29-2022, 05:45 AM
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Join Date: Aug 2011
Location: Hensley Airpark, 04TN
Posts: 236
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WD-657-R & L gussets have been installed since 2016
From post #30 in https://vansairforce.net/community/s...d.php?t=134249 Russ has been supplying WD-657-R & L with gussets welded in place since March of 2016.
The step Russ repaired for me, featured in the first post above has been in service for at least 1000 hours without further cracking. Not exactly the same design that became standard.
Regards,
__________________
Roy
N174RT (RV-7A) first flight 5/31/11, 2102hrs as of 5/7/23
Tip-up, Lycon IO-360 EXP, WW 74HRT, AFS 5600T, AF-Pilot, IFD440, SL-30, echoUAT, D100 for backup, CQ1 headsets, CMW E-Lift
Our other riveted aluminum monocoque RV is a 2012 25' Eddie Bauer Airstream
Past aluminum monocoque vehicles:
N601RT (CH601HDS) First flight 5/03, 1550hrs after flying 8 years: 912ULS, GNS430W, SL-30, D10A Sold
1995 Midnight Pearl NSX w/BBSC Sold
EAA Chapter 105 board member 2010->2015
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07-29-2022, 05:48 AM
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Join Date: Jan 2007
Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
Posts: 3,337
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Quote:
Originally Posted by fl-mike
and the big mystery is:
Why is it always the passenger step that cracks? (first anyway)
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Myth busted, my pilot side cracked years ago. 
__________________
TURBO YES =VAF= Payed Jan2022
Ed D'Arcy
RV6-A 5,500 + hrs, R-44 1,700 hrs, Helicycle traded for 33 FFR coupe, 300 young eagles flown
Stuart, Fl / East Hampton,Ct / Virgin Gorda, BVI - villa sold.
VAF #840 EAA AOPA FAC FABA QB SPA OLD FARTS
addicted pickle ball player
https://i.postimg.cc/tn3h4svg/IMG-3101.jpg
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07-29-2022, 08:01 PM
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Join Date: Jul 2019
Location: Forest, VA
Posts: 42
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Quote:
Originally Posted by fl-mike
and the big mystery is:
Why is it always the passenger step that cracks? (first anyway)
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AntiSplatAero instrumented his steps and found prop wash vibration much higher on passenger side (search for a long thread on the subject pre2010 thru 2013). His solution was to fill the step 2/3 with sand (think dead low hammer). After the sand was added, vibrations were dramatically reduced. I checked in with him recently (9 years later) and he says this seems to have made the problem go away for him and several others he did the mod for. This was before Vans started added the extra gusset. |
07-31-2022, 08:20 PM
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Join Date: Mar 2014
Location: Glasgow, KY
Posts: 182
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It cracks first because most passengers don’t know how to exit an airplane correctly, back down don’t drop in like a cirrus chute facing forward.
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Justin Richardson
Vans RV-6A N457DH
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02-03-2023, 10:42 AM
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Join Date: Feb 2006
Location: Midlothian, TX
Posts: 173
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Pop rivets?
Getting ready to make this repair myself on my RV7A (also right side). Your suggestion on how to do this repair without taking up the floor sounds great! Curious how your pop rivets are holding up?
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02-03-2023, 01:08 PM
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Join Date: Mar 2013
Location: Tx
Posts: 156
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Any videos of this repair running around out there?
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Mike Robinson
RV-6a N731CK
66TE
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02-03-2023, 04:16 PM
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Join Date: Feb 2018
Location: Ramona, CA
Posts: 297
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Step cracks
It’s not true that passengers are at fault. Years ago, Alan Nemo put some transducers on the steps of his 9A. The vibrations on the passenger step water much higher than the other side. He said the vibrations were caused by prop wash. He drilled a small hole and added sand. That stopped the problem. You can also change the vibration frequency by adding some #9 lead shot.
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RV-7 builder Ramona, CA.
Free prop balancing for Van’s owners.
RV-6A N665CM
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05-18-2023, 11:59 AM
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Join Date: Sep 2008
Location: Ely, Nevada
Posts: 253
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8A step replacement
I assume Vans sells a replacement step for the 8A, but I cannot find it at their store. Anyone have a part number or a hint on how to find? Or is there another source, perhaps for a chromed one? Thanks for considering.
__________________
Mike Coster
BUILDER: N92MB RV7A (A/W 3/2009) - Sold
ADOPTED/reworked: N4032Q RV8A (8/2017)
Building: S-21 Outback/Titan, tail and cockpit mated (3/2020)
KELY/Ely, NV
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05-18-2023, 01:31 PM
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Join Date: Jan 2005
Posts: 892
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Quote:
Originally Posted by mikerkba
I assume Vans sells a replacement step for the 8A, but I cannot find it at their store. Anyone have a part number or a hint on how to find? Or is there another source, perhaps for a chromed one? Thanks for considering.
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WD-832 Step Weldment (per the plans, DWG 80). Available from Van's:
https://store.vansaircraft.com/wd-83...ly-wd-832.html
__________________
Carl N.
RV-8
KAWO
Last edited by RV8JD : 05-18-2023 at 01:36 PM.
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