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#21
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Foolish Buyer Tricks
Just looked at an aircraft to purchase, seller, non pilot selling his
father's glider from the estate. So I cant' blame the seller. Claims current annual and all ADs complied with. Annual did not address a revised annual which lowers the max allowable GW, reduces Vne and other speeds, and places a "no acro" limit on the glider. So.. who was that IA that signed off that annual? I don't know.. don't care.. I'm not buying it. B "Kyle Boatright" wrote in message ... The foolish buyer trick I've seen more often than others is the "It comes with a fresh annual, I don't need a pre-purchase inspection." approach to airplane buying. Aargh. We had an estate auction in this area recently where 4 vintage aircraft were sold. Unfortunately (for the buyers), the rules of the auction prevented anything more than a logbook review and a cursory look at the aircraft. All 4 aircraft sold during the auction at reasonable prices considering these aircraft had sat for a couple of years and the logbooks *probably* were not in the best of shape. Although each of the aircraft came with a fresh annual. ;-) It is 3 weeks later and three of the four aircraft have not left the nest. The fourth aircraft did go home with the new owner after a blown crankshaft seal was replaced. I can't understand how the annual didn't turn up a blown crankshaft seal. One of the aircraft still on the field had 50+ squawks when the new owner gave it the once-over. Now, this was an ongoing restoration project and a few squawks should have been expected but over 50? With a new annual? Not acceptable. Another of the aircraft still on the field wouldn't pass a run-up. Why? It had been filled with autofuel some time back, not flown or run for a while, and the fuel system was badly gummed up. Oh, by the way, there is no autofuel STC for this airplane. Again, this airplane had a fresh annual. The other airplane still on the field hasn't had maintenance related problems, so I guess the owner is probably happy with that. He's probably not happy that he ground looped it on his first landing. It is undergoing some minor repairs at this time. Another foolish buyer trick is buying a fixer-upper. Generally, an airplane's value is LESS than the sum of its parts. Take a $30k C-172 or Cherokee, add new paint @ $8k, a new interior @ $5k, a new panel @ $15k, an engine overhaul @ $15k and you still have an airplane worth $50k or less despite the $70k+ you've invested. |
#22
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Foolish Buyer Tricks
I thought that was just an "old'n days" problem?
John Jay Honeck wrote: How long was "a while"? Unleaded mogas won't "gum up" anything for years -- unless, of course, the mogas had ethanol in it. Then it will supposedly start attacking rubber seals. Not true. Leave unleaded mogas in your lawnmower for a year, and it likely won't start. Autogas lacks the stabilizer package found in avgas. You know, I've heard that ever since I started using mogas in my planes, but I've never seen a cite, nor have I *ever* noticed a problem with unleaded gasoline in *any* of my lawn mowers, leaf blowers, or snow blowers. I put 'em away in the spring/winter, and start 'em up the following winter/summer -- and away we go. Same with my Honda Goldwing -- I top it off, and it just sits till next year. No troubles. Can anyone point me to anything that proves (or disproves) the "fact" that unleaded mogas deteriorates faster than avgas? -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#23
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Foolish Buyer Tricks
On Sep 14, 2:56 pm, Michael wrote:
It takes an IA to sign off an annual - and he can do so without ever seeing it run. That's because a lot of the things that normally get done at annual are not part of the annual inspection, and can be done by an A&P without the IA or even by the owner. ... When he shows up, I doubt he will care about starting the engine. He will probably just check compressions and magneto timing, inspect the cables, pulleys, and other moving parts with flashlight and mirror, check whatever other things the type requires (it's usually only a few things, generally by AD) and call it good. He doesn't need to see the engine run. You can put it all back together later all by yourself. It's all legal - but just because an engine passes the compression check and magneto timing check, that does not mean it will run. Michael Sorry Michael, but you're wrong. FAR Part 43.15 specifically requires the IA to run the engine: "(2) Each person approving a reciprocating-engine-powered aircraft for return to service after an annual or 100-hour inspection shall, before that approval, run the aircraft engine or engines to determine satisfactory performance in accordance with the manufacturer's recommendations of-- (i) Power output (static and idle r.p.m.); (ii) Magnetos; (iii) Fuel and oil pressure; and (iv) Cylinder and oil temperature." |
#24
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Fuel Storage Limits - Was: Foolish Buyer Tricks
.stuff snipped Can anyone point me to anything that proves (or disproves) the "fact" that unleaded mogas deteriorates faster than avgas? -- .othe stuff snipped I believe this may have started with some poster way back looking at the shelf life recommendations that come from the oil companies. Of course, they will say gasoline lasts 3 weeks and you should drain your tank, throw it out, and buy new stuff if you keep it longer. Their whole angle is to avoid liability. Similarly, someone (mechanics, FAA, Mogas STC producers, whoever) made some statements about the "limited" shelf life of mogas vs. avgas. Opponents to mogas seem happy to spout off about the "dangers" of mogas, including their conclusion that it "goes bad quickly". Those with chemical backgrounds look over the ingredients lists for avgas and mogas and come to the conclusion that a shorter shelf life for mogas makes sense. The question Jay asks is: where is the scientific data that shows how long these fuels last when stored before bad stuff happens? I'll bet the answer is "it depends". Probably depends on the time stored, temperatures, amount of humidity in the air, water present in the fuel, how much agitation, specific blend of fuel and additives, sunspots, solar flares, karma, aliens... who knows? Likely also that fuels change slowly over time. So, what is "bad"? Not sure we have an established baseline for when this mysterious threshold is reached. Airplane folks will likely agree that fuel that won't start their engine qualifies. How about fuel that starts the engine and kills it later, at altitude, gums up the fuel system, clogs the screens over time, vapor locks when hot, etc.? Is that "bad"? It is likely there are enough variables to skew the storage numbers quite a bit. And, all the stories about how one person does this and it works fine and another person does that and it turns to crud means... well, nothing. As Jay requests, bring on the data. Avgas does smell better... Have fun beating this to death, Mike |
#25
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Fuel Storage Limits - Was: Foolish Buyer Tricks
"Mike Spera" wrote ... Probably depends on the time stored, temperatures, amount of humidity in the air, water present in the fuel, how much agitation, specific blend of fuel and additives, sunspots, solar flares, karma, aliens... who knows? Who Knows ?!? Those are all quantifiable, so an engineer would know,.... except for Karma,... that's clearly marketing. |
#26
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Fuel Storage Limits - Was: Foolish Buyer Tricks
"Mike Isaksen" wrote in message news:AFgHi.2903$Ap2.170@trndny05... "Mike Spera" wrote ... Probably depends on the time stored, temperatures, amount of humidity in the air, water present in the fuel, how much agitation, specific blend of fuel and additives, sunspots, solar flares, karma, aliens... who knows? Who Knows ?!? Those are all quantifiable, so an engineer would know,.... except for Karma,... that's clearly marketing. He http://www.goldeagle.com/sta-bil/all_about_sta-bil.htm ;-) |
#27
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Fuel Storage Limits - Was: Foolish Buyer Tricks
On Sun, 16 Sep 2007 09:37:24 -0500, Mike Spera
wrote: .stuff snipped Can anyone point me to anything that proves (or disproves) the "fact" that unleaded mogas deteriorates faster than avgas? -- .othe stuff snipped I believe this may have started with some poster way back looking at the shelf life recommendations that come from the oil companies. Of course, they will say gasoline lasts 3 weeks and you should drain your tank, throw it out, and buy new stuff if you keep it longer. Their whole angle is to avoid liability. Similarly, someone (mechanics, FAA, Mogas STC producers, whoever) made some statements about the "limited" shelf life of mogas vs. avgas. Opponents to mogas seem happy to spout off about the "dangers" of mogas, including their conclusion that it "goes bad quickly". Those with chemical backgrounds look over the ingredients lists for avgas and mogas and come to the conclusion that a shorter shelf life for mogas makes sense. The question Jay asks is: where is the scientific data that shows how long these fuels last when stored before bad stuff happens? I'll bet the answer is "it depends". Probably depends on the time stored, temperatures, amount of humidity in the air, water present in the fuel, how much agitation, specific blend of fuel and additives, sunspots, solar flares, karma, aliens... who knows? I can only give antidotal evidence, but I never drain the tanks in the tractor, generator, snow blowers, lawn mowers...etc. Some of it ends up in there for several years and I've never had mo gas go bad. HOWEVER...When I shut down any one of them and know it will be for a while, I do shut off the gas and let the thing run until the carb is dry and the engine quits. If you leave the carb full of gas the stuff will slowly evaporate over long periods and that will form "gunk". Gas in my big generator may end up as old as two years. I turn on the gas, give it time to fill the carb float bowl (just a few minutes) and it's never failed to start. Likely also that fuels change slowly over time. So, what is "bad"? Not sure we have an established baseline for when this mysterious threshold is reached. Airplane folks will likely agree that fuel that won't start their engine qualifies. How about fuel that starts the engine and kills it later, at altitude, gums up the fuel system, clogs the screens over time, vapor locks when hot, etc.? Is that "bad"? Gum forms when fuel evaporates. If it can't evaporate I can't see how it could form deposits. With the stuff still being good after two years, I really don't believe it breaks down with age, or at least not nearly as fast as some say. Even back on the farm in "the old days" we never had problems with gas going bad in storage or in the tractors over the winter. We had both above and below ground storage. This has been my experience. Roger (K8RI) It is likely there are enough variables to skew the storage numbers quite a bit. And, all the stories about how one person does this and it works fine and another person does that and it turns to crud means... well, nothing. As Jay requests, bring on the data. Avgas does smell better... Have fun beating this to death, Mike |
#28
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Foolish Buyer Tricks
"Kyle Boatright" wrote in message
... ... Another foolish buyer trick is buying a fixer-upper. Generally, an airplane's value is LESS than the sum of its parts. Take a $30k C-172 or Cherokee, add new paint @ $8k, a new interior @ $5k, a new panel @ $15k, an engine overhaul @ $15k and you still have an airplane worth $50k or less despite the $70k+ you've invested. I don't know about that. My dad went through several fixer-uppers and did just fine with them. Of course, you can't just hand the aircraft and a credit card to someone and say "fix it". Example - $8K for paint??? Most of that cost is prep work which you can do yourself. I spent more then a few hours stripping paint as a kid. I particularly remember a Navion - there's a TON of rivet heads to be cleaned when you strip a Navion... After agreeing on how it was to be painted (I don't remember the details, but I thing they aggreed to white with some brown stripes) the old man flew it off somewhere to get the paint sprayed (and I assume that he did the masking work too). It came back in a real sharp looking maroon with cream trim paint job... Overhaul - you have to have a mechanic that will work with you and sign off on your work. (Pop used to be a crew chief in the Army Air Corps) It helps if you enjoy doing that kind of work. -- Geoff The Sea Hawk at Wow Way d0t Com remove spaces and make the obvious substitutions to reply by mail When immigration is outlawed, only outlaws will immigrate. |
#29
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Foolish Buyer Tricks
{gas/storage..}
Yesterday's gas is not today's... Fuel injection in cars raised the bar on what is usable gas. Even so, long storage of gas is not a good idea. -- A host is a host from coast to & no one will talk to a host that's close........[v].(301) 56-LINUX Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433 |
#30
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Foolish Buyer Tricks
Jim Stewart wrote:
Last spring I got my chainsaw down from the garage attic. It had been *at least* 10 years since I had started it. Topped up the tank and it ran fine. 2-cycle oil has stabilizers in it. When you mix it up it will last a long long time. |
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