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Old 11-04-2018, 10:47 AM
cook_ts cook_ts is offline
Join Date: Nov 2008
Location: Chino, CA
Posts: 10
Default Aft Fuse Access & loading- RV-7A

I am at a point the I need to crawl into the aft fuse to do a variety of misc tasks (including some of the upper skin riveting). Currently the fuse is 'right side up' & supported on the spar and at the tail. So a couple questions:

1- In the configuration, can the fuse support the weight of a 180lb person?

2- Recommendations on what to put in the bottom of the fuse (distributing between the skins and frames)

If needed, I can also support at the aft baggage compartment frame (with obviously significantly less load if that's not need, I'd prefer not to.

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Old 11-04-2018, 12:07 PM
wirejock's Avatar
wirejock wirejock is offline
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,306
Default Supports

I weigh more.
I placed a padded saw horse at each bulkhead and installed the gear legs with 4x4 blocks drilled to fit and used as tires or feet. I made deck supports from 1x 8 then cut up the crate top into two long pieces to fit inside as a deck to lay on. The slick surface of the crate plywood makes a nice deck. Added a pillow and it was pretty cozy. Sweetie drove and I bucked. Use ear protection. It's really loud in there.
I might even consider it the upgraded dog house next time I get in trouble.
Larry Larson
Estes Park, CO
wirejock at yahoo dot com
Donated 12/27/2018. Plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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Old 11-05-2018, 12:52 AM
cook_ts cook_ts is offline
Join Date: Nov 2008
Location: Chino, CA
Posts: 10

Thanks Larry,
Trying to stay out of the doghouse...
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Old 11-05-2018, 03:00 AM
tgmillso tgmillso is offline
Join Date: Nov 2012
Location: Launceston, Tasmania, Australia
Posts: 692

Here's another option.
I had the fuselage supported in the standard rolling fuselage cradle, with the main support under the mainspar and the aft support under the second last bulkhead. The bottom of the fuselage was filled with slabs of (approx) 4" thick polystyrene foam that is used in cool room construction (amongst other things) then I cut to shape one of the crate lids that the kit came packaged in. The foam is just thick enough so that the plywood deck cleared the bulkheads. I'm 160lb and it worked fine. I don't think this setup would argue if it had another 20lb or so on it. The main thing is make sure you make yourself a false floor for the baggage area, as this doesn't appear overly robust so you may ding it getting in and out of the rear cone.
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