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#1
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Little Help From My Friends on 2334S
Just an update on my previous gear-up landing. The NTSB refuses to downgrade it to an incident so I am now forced to pull the wings and tailbooms off and transport it to my home for repair. I have a sheet metal specialist as well as an A & P and a previous army crewchief to help with the teardown. My question for you all is how much is entailed in removing the wings and tailbooms? Any special tools other than a hoist? Just how much work is there time-wise to tear it down? Any Pearls or words of wisdom before launching into this? Luckily there is less than 10 gallons of gas in either side so at least I don't have to deal with that issue. Any advice is gladly accepted. Thanks, KD
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#2
08-14-12, 06:05 PM
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How much is entailed in removing the wings and tailbooms? A lot. When we examined Cessna's draft SIDs, we looked at this and determined it would be about 200 man-hours. Plus, fixtures (could be wood) should be built to support elements of the structure during the demating to avoid damage. For reference, go to www.SkymasterUS.com, on the left of the page click on the second silvery horizontal line (below the Fuel Supply Management link), click on Page 1, read Paragraph 4.
Ernie Martin
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#3
08-15-12, 03:32 PM
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I was thinking that I cold just remove the tailbooms at the wing roots and pull the back engine and mount it on a trailer sideways. The engine is going to be removed anyway to work on the aft firewall. Would that decrease my work load substantially?
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#4
08-15-12, 05:50 PM
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That's not the original question you asked (how much is entailed in removing the wings and tailbooms?). Removing just the tailbooms (not the wings) should reduce the labor, but I don't know by how much. (I worked on and compiled the SID work I referenced, but I did not contribute to the man-hour estimates.) Perhaps others will jump in here and provide estimates for removal and re-install of the tailbooms. We just removed and re-installed the rear engine on my normally aspirated 337G and it took about 22 man-hours. That's not all A&P (read: expensive) manpower, because one A&P and one mechanic-apprentice (supervised by the A&P) worked well.
Ernie
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#5
08-16-12, 11:22 AM
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Removal and installation of the rear engine does not require the disassembly of the tail booms. That would be way overkill.
__________________
Herb R Harney 1968 337C Flying the same Skymaster for 47 years
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#6
08-16-12, 12:16 PM
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I understand that. What i am looking to do is remove tailbooms and rear engine in order to make the plane short enough that I can put the plane sideways on a trailer with wings still on and transport it to my homestation. In that configuration, I need to get it down to about 12-14 feet wide so as to get a permit to move it on the trailer about 30 miles to the repair facility. KD
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