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  #1  
Old 01-26-2021, 12:46 AM
deltawhiskey deltawhiskey is offline
 
Join Date: Apr 2018
Location: Seattle, WA
Posts: 13
Default "Seat Ramp Assembly" (DWG 68) questions

My -8 was born in 2003 with fancy fiberglass VELO "racing seats" that sit on their own brackets. Those seats/brackets are now out of the aircraft and I have new (still fancy but much more comfortable) seats to install. No issues with the back seat. But I've got no "seat ramp" installed up front so there's nowhere for my cushion and the seat cushion to rest.

My plans (circa 2000) include a DWG 30 (below) that faithfully describes how this would've gone together with parts that were available... 21 years ago. My first hint that things have changed came when "The List" on Van's only turned up one of the brackets for the left side (F-880BPP-L shown below). The -R complement is but a memory...

A new(er) RV-8 manual on the interweb from 2005 suggests that a new(er) drawing (DWG 68) exists that includes an updated approach for "Seat Ramp Assembly" and callouts for newer part numbers (F-879-1, F-880A-1, F-880B-L-1, F-880B-R-1 from the sounds of it). I don't expect it to be too complicated or different looking from DWG 30 but I want to make sure I don't miss anything. And my 2000 drawing set only goes to 50.

Can someone post a pic of the "Seat Ramp Assembly" detail of DWG 68? Or perhaps just jot down the new parts that are called out that I can cross reference with my DWG 30 shown? Any gotchas that folks have experienced or recommended tweaks that you'd care to offer for this assembly would be welcomed and appreciated as well.

Thanks folks!
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D Wysong
Seattle'ish, WA (S36)
RV-8 N737SH
50+ hours in it and then decided it needed an "Avionics Upgrade" because I evidently like cutting/crimping/cussing more than flying...
Dues paid 2021

Last edited by deltawhiskey : 01-26-2021 at 12:50 AM. Reason: because i can't spell or type
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  #2  
Old 01-26-2021, 01:27 AM
scsmith scsmith is offline
 
Join Date: Jan 2008
Location: Ashland, OR
Posts: 2,776
Default

One thing I did that I am glad I did was reinforce the front lip of the F-880AAp with a piece of angle under the lip. No one will ever see it or notice it but that seat edge takes all manner of abuse during maintenance, under-panel access, etc including standing on it. I think I would have buckled mine by now had I not put that reinforcement in.
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Steve Smith
Aeronautical Engineer
RV-8 N825RV
IO-360 A1A
WW 200RV
"The Magic Carpet" Flying since Sept. 2009
Hobbs 635
LS6-15/18W sailplane SOLD
bought my old LS6-A back!!
VAF donation Dec 2020
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  #3  
Old 01-26-2021, 01:45 AM
deltawhiskey deltawhiskey is offline
 
Join Date: Apr 2018
Location: Seattle, WA
Posts: 13
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Great mod, Steve. Just the sort of feedback I was hoping to hear. Thanks!

BTW -- did you install F-880B-L-1 and F-880B-R-1 brackets on yours or do your plans go back to the F-880BPP-L and (I presume) the F-880BPP-R that I can't find?
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D Wysong
Seattle'ish, WA (S36)
RV-8 N737SH
50+ hours in it and then decided it needed an "Avionics Upgrade" because I evidently like cutting/crimping/cussing more than flying...
Dues paid 2021
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  #4  
Old 01-26-2021, 08:21 AM
Mikeyb Mikeyb is offline
 
Join Date: Nov 2018
Location: Pasadena ca
Posts: 35
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Drawing 68 From a kit shipped in 2019
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  #5  
Old 01-26-2021, 09:15 AM
sf3543 sf3543 is offline
 
Join Date: Jan 2005
Location: San Antonio, TX
Posts: 1,065
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Call VANs with the serial number of your RV8 and they will tell you which parts will fit your age kit.
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RV3B
RV8
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  #6  
Old 01-26-2021, 10:26 AM
deltawhiskey deltawhiskey is offline
 
Join Date: Apr 2018
Location: Seattle, WA
Posts: 13
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Quote:
Originally Posted by Mikeyb View Post
Drawing 68 From a kit shipped in 2019
Perfect! Thanks Mike.
__________________
D Wysong
Seattle'ish, WA (S36)
RV-8 N737SH
50+ hours in it and then decided it needed an "Avionics Upgrade" because I evidently like cutting/crimping/cussing more than flying...
Dues paid 2021
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  #7  
Old 01-26-2021, 10:28 AM
deltawhiskey deltawhiskey is offline
 
Join Date: Apr 2018
Location: Seattle, WA
Posts: 13
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Quote:
Originally Posted by sf3543 View Post
Call VANs with the serial number of your RV8 and they will tell you which parts will fit your age kit.
Thanks Steve. I'll do that today when placing the order to confirm I've got the parts to pull this off.
__________________
D Wysong
Seattle'ish, WA (S36)
RV-8 N737SH
50+ hours in it and then decided it needed an "Avionics Upgrade" because I evidently like cutting/crimping/cussing more than flying...
Dues paid 2021
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  #8  
Old 01-26-2021, 01:46 PM
scsmith scsmith is offline
 
Join Date: Jan 2008
Location: Ashland, OR
Posts: 2,776
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Quote:
Originally Posted by deltawhiskey View Post
Great mod, Steve. Just the sort of feedback I was hoping to hear. Thanks!

BTW -- did you install F-880B-L-1 and F-880B-R-1 brackets on yours or do your plans go back to the F-880BPP-L and (I presume) the F-880BPP-R that I can't find?
My kit was pre-matched hole, like yours. Looking at the new drawing (68) the parts sure look the same but hard to say what tweaks they did when they made the new matched hole parts. It also seems like if you just get all the new parts for the forward ramp ( the F-880A -1 and F-880B-1 left and right) that assembly will likely work, worst case you have to drill a couple of extra holes.
__________________
Steve Smith
Aeronautical Engineer
RV-8 N825RV
IO-360 A1A
WW 200RV
"The Magic Carpet" Flying since Sept. 2009
Hobbs 635
LS6-15/18W sailplane SOLD
bought my old LS6-A back!!
VAF donation Dec 2020
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