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#21
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You know you own an airplane when...
Can't I just go to a boneyard at some repair facility (e.g. Beegles)
and have them just take one out of a plane and use that? |
#22
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You know you own an airplane when...
On 10 Mar 2007 21:56:06 -0800, "150flivver"
wrote: Technically, an A&P cannot manufacture a replacement part such as an entire battery box. He could "repair" the original box. The owner, however, can manufacture a part for his airplane only and the A&P could install it provided he vouches for its airworthiness. What is meant by "manufacture" doesn't necessarily mean the owner has to design and fabricate the part, but he has to be significantly involved in some manner with its production whether that means supplying the design to a fabrication shop or actually bending and riveting the metal is not spelled out. Technically, you are somewhat mistaken. As you've indicated, with some input from owner (hey TC, can you build me another baffle just like that busted one that Piper wants $2800 for and say will be available in 2009?) an A & P can certainly manufacture/duplicate a replacement part for a specific customer/airplane legally. However, the self-same A & P cannot legally build a pile of these same baffles and offer them for sale without additional paperwork. Some common sense is required, a battery box or a baffle is a little different than a milled spar section. TC |
#23
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You know you own an airplane when...
Mike Spera wrote:
snip Finally, you can fabricate your own parts. The rub is that you have to get a wrench to sign off on them. There are some rules around what you MAY need to provide as far as documentation. I saw your wrench's reply about the CAR3 cert. I don't believe that is true, however, it is HIS ticket. He can refuse to sign off if he believes that the tooth fairy has something to do with it (in other words, for any reason). Yes, I know, and I can't necessarily blame him. Like I said in another reply (and was ridiculed for saying it), if I were in his shoes I certainly wouldn't put my ticket at risk so a cheapskate owner could save a few hundred dollars. Note that I'm not defending the cost of the parts, but the right of the mechanic to choose what he signs off. snip The metal ram's horn yokes that replace my original plastic ones were $1290 each from Piper (and that does not include labor to swap them). I found ones with the plastic coating peeling off and bent control shafts for $150 (for the pair). After refinishing them, replacing their bent shafts with my straight ones, installing them (under my wrench's eye), and adding pre made leather wraps, I have them both installed. Total cost was about $500 (the leather wraps were $300 and completely optional - they looked great painted). BUT, I have about 25 hours of my labor in the deal. snip Nice solution. Some time ago I was looking for new yokes for the 172 and Cessna came back with what I thought was a fairly reasonable $350 for each yoke. Where they became UNreasonable was in charging for the little leather / plastic piece that attaches to the center of the yoke and shows the Cessna logo and (sometimes) the aircraft model number. You want that? It will cost you another $300. :-) But, to address your point here...there's the rub. I don't know about you, but I'd rather be doing something else with that 25 hours, including making a bunch more money so I could pay someone to deal with this kind of minutiae. It's not that I don't like working on airplanes but my time is now better spent doing other things, including flying them. Thanks for the thoughtful reply. -Doug -- -------------------- Doug Vetter, ATP/CFI http://www.dvatp.com -------------------- |
#24
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You know you own an airplane when...
Doug Vetter wrote: While it may be legally possible to bend the rules and fabricate a new box using a "1-square-inch piece" to represent the existing box, that's certainly in violation of the spirit of the rule and does represent a significant liability risk to the mechanic. Wrong. It's perfectly legal for your mechanic to fabricate a whole new box. No need to scavenge a piece off the old box. I had a similar situation on my Bo. Bo's have dual exhaust and thus dual tail pipes. Each tail pipe is supported from the firewall by a bracket. Mine broke and part of it departed the airplane. Mechanic fabricated a new one from supplies he had on hand and logged it as such. |
#25
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You know you own an airplane when...
.stuff snipped I saw the old battery box today, and its condition really surprised me. I'm amazed the battery stayed with the airplane, as two corners were nearly completely rotted out and several cracks were forming between the weak spots. It definitely needed to be replaced. .other stuff snipped Like I said in my other post (and Doug is in the middle of this), the wrench has the ticket, the risk, and the decision. What is "legal" does not matter. What the guy will actually agree to and do is what matters. That said, if you have any doubt about what is possible with a "repair", go no further than Dawley exhaust. They take 1 small original baffle plate (or other usable component) from your muffler, and "overhaul" it. Actually, they manufacture an entire new muffler around your original piece. Been doing it for years. Will likely be doing it for years to come. I think folks are trying to convince the original poster that it is legal, possible, and safe to do a like "repair" on a battery box. The poster is trying to convince the group that he and/or his wrench are not willing to do this. No right or wrong answer in either case I think. Ah... diversity. Good Luck, Mike |
#26
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You know you own an airplane when...
"Jay Honeck" wrote:
He could craft you a replacement part that would better than original for far less than $700. And it would be perfectly legal. A friends AP/IA just patched his C150's with fiberglass, inplace... The battery box is rivited to the firewall, a real headache to remove for repair... |
#27
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You know you own an airplane when...
Interested reading:
OPP Article from AMT http://www.amtonline.com/publication...ubId=1&id=1257 Draft AC addressing requirements of mechanic produced parts http://forums.aopa.org/attachment.ph...8&d=1142199821 Jim |
#28
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You know you own an airplane when...
On Mar 10, 8:09 pm, "Jay Honeck" wrote:
...you're actually glad to get the news that a battery box will cost you ONLY $700. I remember getting the estimate for a stall indicator switch for my old Warrior, and just about dying when I heard it was $1300! We took it apart and discovered that it was a simple five dollar Rat Shack switch. We ended up finding a "serviceable" used certified part for "only" $375. I thought I'd won the lottery! :-) Those switches often use an industrial microswitch. They quit because dust or water or soap or airplane polish gets into them and fouls the contacts. Take the microswitch off, immerse it in laquer thinner or brake & parts cleaner, work it a few times while wet, and blow it out. Really good chance it will work just fine. Dan |
#29
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You know you own an airplane when...
On 3/11/07 00:56, "150flivver" wrote:
Technically, an A&P cannot manufacture a replacement part such as an entire battery box. Sorry if this has been mentioned already in this long thread, but the A&P _can_ manufacture an "owner produced part". The rule for the OPP don't require the owner to perform the actual fabrication. He/she can meet the rule while having the A&P bend the metal. (In my case, I'd prefer that the A&P did the actual work!) - Don The sky does not misunderstand. The sky does not judge. The sky, very simply, is. "There's always the sky" - Richard Bach |
#30
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You know you own an airplane when...
No right or wrong answer in either case I think.
Ah... diversity. You call it diversity -- I call it a rip-off. A&Ps who charge $700 for a battery box -- rather than "take the risk" (gimme a break!) of doing some simple sheet metal work -- are a root cause of why general aviation as we have known it is dying. Luckily there are still plenty of A&Ps out there who are ready, willing and able to do this sort of work at a reasonable cost. -- Jay Honeck Iowa City, IA (Presently in Memphis, TN) Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
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