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  #1  
Old 01-20-2021, 10:10 AM
AKHM462 AKHM462 is offline
 
Join Date: Jan 2021
Location: Sault Sainte Marie
Posts: 5
Default Ease of upgrading

If I were to purchase a completed aircraft and would like to upgrade/update/change anything but the frame (engine, avionics, interior, propeller) in an RV 9a, how difficult would this be?

Thank-you,

Joe
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  #2  
Old 01-20-2021, 10:17 AM
BH1166 BH1166 is offline
 
Join Date: Nov 2017
Location: Eatonton Georgia
Posts: 376
Default Easy

if you are a bit handy.... happens all the time. If you are not a DIY type of person, you can always pay others to make the changes. Good luck
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  #3  
Old 01-20-2021, 10:18 AM
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wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 4,308
Default Upgrade

Quote:
Originally Posted by AKHM462 View Post
If I were to purchase a completed aircraft and would like to upgrade/update/change anything but the frame (engine, avionics, interior, propeller) in an RV 9a, how difficult would this be?

Thank-you,

Joe
Loaded question. Engine ifself is not a problem, but an upgrade may trigger a multitude of other stuff.
Is the oil cooler adequate? Will the cowl fit? Baffles? What about fuel supply (pump)? Need a boost pump?
Avionics will be a similar issue. Will the panel come out easy? Is there a place for all the black boxes? Is any of the wiring compatible/useable?
That said, it's experimental. Sort of the whole concept.
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Donated 01/01/2021, plus a little extra.
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HS SB, empennage, tanks, wings, fuse, working finishing kit
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  #4  
Old 01-20-2021, 10:22 AM
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scrollF4 scrollF4 is offline
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Join Date: Jan 2010
Location: Flower Mound, TX
Posts: 1,562
Default

It's only as difficult as the actual work. Realize, of course, that depending on the mod, switching out one big thing can rain down a bunch of smaller things. Example: I switched KELLI GIRL over from fixed-pitch to a constant speed prop. Changing my engine setup from FP to CS prop required installing a new governor, new blue throttle cable/knob, oil line, prop shaft plug, etc. Remember, if you impact the weight or CG, you'll need to do a new weight 'n balance for your POH (and that's easy, too).

Also, depending on the upgrade you may have to return the aircraft to Phase 1 test. That depends on whether it's a major mod, etc. Your aircraft's FAA Experimental Operating Limitations will spell that out, and then it's a simple paperwork drill. Example: Changing my engine setup from FP to CS prop required 5 hours of Phase 1 with a straight-forward letter to the FAA. Beyond that, it's a matter of actually doing (or getting someone else to do) the work.

Thereafter, it's pretty much all yours.
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Last edited by scrollF4 : 01-20-2021 at 10:26 AM.
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  #5  
Old 01-20-2021, 10:52 AM
Northernliving Northernliving is offline
 
Join Date: May 2005
Location: Boston, MA
Posts: 507
Default

Quote:
Originally Posted by AKHM462 View Post
If I were to purchase a completed aircraft and would like to upgrade/update/change anything but the frame (engine, avionics, interior, propeller) in an RV 9a, how difficult would this be?

Thank-you,

Joe
That's a loaded question, but probably easier than starting from scratch!
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  #6  
Old 01-20-2021, 11:04 AM
KayS KayS is offline
 
Join Date: Jul 2009
Location: lake constance
Posts: 351
Default

depends on the upgrade...
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  #7  
Old 01-20-2021, 12:03 PM
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Dugaru Dugaru is offline
 
Join Date: Jan 2016
Location: Richmond VA, USA
Posts: 521
Default Avionics

It can be an adventure getting to some of the avionics in a slider 9A. I swapped out my AHRS for a newer version and it was like spelunking. There's not a ton of room back there.

Quote:
Originally Posted by AKHM462 View Post
If I were to purchase a completed aircraft and would like to upgrade/update/change anything but the frame (engine, avionics, interior, propeller) in an RV 9a, how difficult would this be?

Thank-you,

Joe
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Based W96: New Kent International Aerodrome
(near Richmond, VA USA)
2021 Dues Paid
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  #8  
Old 01-20-2021, 01:12 PM
rightrudder rightrudder is offline
 
Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,843
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Quote:
Originally Posted by Dugaru View Post
It can be an adventure getting to some of the avionics in a slider 9A. I swapped out my AHRS for a newer version and it was like spelunking. There's not a ton of room back there.
A couple of big glass panels can ease maintenance, though, because when they're removed it leaves some pretty large apertures to reach through when something else needs servicing.

Panel dives are much more comfortable after you've put the upholstery in.
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RV-9A "slider"
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  #9  
Old 01-20-2021, 02:58 PM
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DeeCee 57 DeeCee 57 is offline
 
Join Date: Sep 2018
Location: LSZF
Posts: 593
Default

Quote:
how difficult would this be?
Define difficult?
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