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  #11  
Old 07-29-2022, 05:45 AM
Roy Thoma's Avatar
Roy Thoma Roy Thoma is offline
 
Join Date: Aug 2011
Location: Hensley Airpark, 04TN
Posts: 236
Default 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,
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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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  #12  
Old 07-29-2022, 05:48 AM
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Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
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Default

Quote:
Originally Posted by fl-mike View Post
and the big mystery is:
Why is it always the passenger step that cracks? (first anyway)
Myth busted, my pilot side cracked years ago.
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Stuart, Fl / East Hampton,Ct / Virgin Gorda, BVI - villa sold.
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  #13  
Old 07-29-2022, 08:01 PM
Kolg Kolg is offline
 
Join Date: Jul 2019
Location: Forest, VA
Posts: 42
Default

Quote:
Originally Posted by fl-mike View Post
and the big mystery is:
Why is it always the passenger step that cracks? (first anyway)
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.
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  #14  
Old 07-31-2022, 08:20 PM
Alchemist Alchemist is offline
 
Join Date: Mar 2014
Location: Glasgow, KY
Posts: 182
Default

It cracks first because most passengers donít know how to exit an airplane correctly, back down donít drop in like a cirrus chute facing forward.
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Justin Richardson
Vans RV-6A N457DH
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  #15  
Old 02-03-2023, 10:42 AM
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7pilot 7pilot is offline
 
Join Date: Feb 2006
Location: Midlothian, TX
Posts: 173
Default 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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Stewart Cole
N156DE RV-7A Tip-up, IO360 CS 3 blade MT Prop
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  #16  
Old 02-03-2023, 01:08 PM
Redbud40 Redbud40 is offline
 
Join Date: Mar 2013
Location: Tx
Posts: 156
Default

Any videos of this repair running around out there?
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RV-6a N731CK
66TE
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  #17  
Old 02-03-2023, 04:16 PM
jask jask is offline
 
Join Date: Feb 2018
Location: Ramona, CA
Posts: 297
Default Step cracks

Itís 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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  #18  
Old 05-18-2023, 11:59 AM
mikerkba mikerkba is offline
 
Join Date: Sep 2008
Location: Ely, Nevada
Posts: 253
Default 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.
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BUILDER: N92MB RV7A (A/W 3/2009) - Sold
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Building: S-21 Outback/Titan, tail and cockpit mated (3/2020)
KELY/Ely, NV
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  #19  
Old 05-18-2023, 01:31 PM
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RV8JD RV8JD is offline
 
Join Date: Jan 2005
Posts: 892
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Quote:
Originally Posted by mikerkba View Post
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.
WD-832 Step Weldment (per the plans, DWG 80). Available from Van's:
https://store.vansaircraft.com/wd-83...ly-wd-832.html
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Last edited by RV8JD : 05-18-2023 at 01:36 PM.
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