A64Pilot

Years ago Boeing tried the self inspection thing, I forgot the name, but it was a miserable failure. Two sets of eyes are better than one, Army went to two pilots in every aircraft based in that, the likely hood of both pilots making a mistake is much less than one. On edit, I think the Boeing program may have been called total quality management or something similar?

If a cotter pin falls out, it’s almost certainly one that has been reused, and bending it back and forth of course causes a fatigue crack, so later it breaks and falls out. A cotter pin should really never be under much of any shear forces, it’s like safety wire, it prevents the beginning of movement so strength isn’t really called for, but saying that stainless steel isn’t as strong as carbon steel, if it were then surely crankshafts and connecting rods would be stainless. Although stainless is a generic term like plastic and encompasses many materials the majority of aircraft corrosion resistant fasteners are either 304 or 316, 304 is also called 18/8, monel is sometimes also mistakenly called stainless, it’s much more expensive though. https://monroeengineering.com/blog/whats-the-difference-stainless-steel-vs-carbon-steel/ US Military also requires everything to be inspected, coming into the FAA world that took me a long time to get over as in the Army anyway, you could not inspect your own work. On edit, strength is also another word that can mean many different things, SS is usually very ductile and ductility is very much desired in things like cotter pins, so it’s a very good cotter pin material, assuming of course it’s soft SS.

Interesting why would you think aluminum framed would be bad? Aluminum bed is a joke for a work truck, but very few new luxury trucks are ever worked, they are just passenger vehicles, but toss bricks into an aluminum bed and it will be damaged, maybe even holed. ‘Many years ago club car golf carts went with an aluminum frame and many consider to be far superior to steel as golf courses are often fertilized and that rusts out steel. but has little effect on aluminum. ‘Aluminum framed bicycles are known to give a “harsh” ride, but are relatively lightweight.

What were the “ground incidents”?

So, in my teen age years, dementia was just around the corner? Impulsive behavior can be a result of many things, to include deciding I’ve had a good life, been a good person for a long time, now it’s time to have some fun. ‘I’ve seen people come back from war and that made them impulsive for awhile. and others who lost a family member, some were diagnosed with an incurable disease, lots of triggers, but I suppose impending dementia is in the list too.

I’ve honestly thought that for 20 years now, but with all this talk of spending trillions here and there, you may be right. I expect a whole slew of new taxes like a carbon tax for example will precede a large jump in inflation, not sure if it will be hyper, but I expect a return to the late 70’s and early 80’s.

Sometimes the fwd CG limit is due to elevator effectiveness, which often results in a higher stall speed, some aircraft the fwd CG limit equates to 61 kts stall speed due to the elevator, but just as often it’s a nose gear structural limit. I’m sure it would fly just fine forward of the CG limit within reason, likely be a better instrument platform, but I’d be careful especially if the limit is a structural one. I woud not put heavier batteries in, not unless the mount has been structurally analyzed for the heavier weight, be a bummer to have batteries flying forward in a crash.

I wonder why the big $$$ airplanes are exempt, seems odd? But on the your broken down thing, Fl for boats doesn’t count the time your broke down and are getting repaired. ‘I would hope that any state wouldn’t hold any days that the aircraft was un airworthy against you. For instance buy a boat in Fl and you have 30 days to get it out, once it’s out for I Believe 6 months, it can return and no tax is due, but stay for than 90 days and it has to be registered, but no tax is due.

Curious, How did you find out?

It’s simply greed, I don’t think the law is written with the average little GA airplane in mind, they are after the biz jets. But they don’t get them, they only snare the little guys, that don’t know any better and don’t have professional pilots that take the aircraft back out of State. I believe the laws are relatively new.

you can replace those clips with a small DG clamp, that works well. You’ll just use one of the two holes of course

Ref the flame polishing, a very similar result can be obtained by using a Dremel with a cloth wheel and plastic polish. We had to cut notches in the visors of the IHADDS helmets for the HDU to fit, and as everyone is different they couldn’t be pre-made. So to polish the edge of the helmet visor a Dremel with a cloth wheel and plastic polish was used, it quickly polished just as clear and smooth as the factory edge. ‘The articulating joint of anyone’s design that is right at the point were the visor connects to the airframe will always be a problem area as it’s very highly loaded as the whole weight of the visor hangs on it and to keep it from moving it’s going to have to be very tight. ‘I stripped mine out on one side, as it’s aluminum I believe that a steel threaded insert would make it much stronger, but as I didn’t have a 10/32 kit. I just used a pan head screw and a self locking nut on the other side. ‘It really doesn’t look bad at all, and as the nut is on the backside, it’s out of view and now the limit in tightening will be the strength of the SS 10/32 screw, and even if you break it, it will be very easy to replace

I would assume due to safety concerns that the bottle isn’t filled until very near the end of the assembly line, same with fuel. ‘Aircraft weighing is done before fuel is added, usually engine oil and unusable fuel etc are calculated not added prior to weighing Often once an aircraft is fueled, from a fire safety standpoint, the requirement for fire extinguishing systems etc change, It may be as Oxygen is of course an accelerant that it’s treated similarly. ‘For you guys with icing fluid tanks, I assume the fluid is not included in basic aircraft weight? I’d expect O2 to be the same?

I’m trying think but I don’t believe I’ve ever seen a ferrule used in aircraft lines, plumbing in my house, certainly.

Probably, but used as I’m talking about it evaporates almost immediately. I assume some other form of it is what pollutes ground water, but yes, it’s very much like brake cleaner but I believe brake cleaner leaves a residue where what we used doesn’t. I believe if you buy electrical contact cleaner, your buying the same thing.

I don’t think that part of the head gets that hot, I say that as over 300F might cause the oil to coke, and it doesn’t. ‘Might put a thermocouple on one to see

I believe that a cu ft of a gas will be a cubic foot regardless of temperature, pressure will rise with temperature, but it’s mass won’t. I’m sure the aircraft is weighed empty, the O2 bottle can hold 10 lbs as can the hat shelf, but both are empty. Aircraft aren’t weighted to such exacting tolerances to begin with, the scales just aren’t perfect. Military weight cells for weighing OH-58’s had a plate on them saying the were accurate to 10 lbs or .1% whichever was greater, so you could weigh an aircraft perfectly and be 30 lbs off. ‘We would raise and lower the aircraft four times zeroing the scales each time, throw out the weight that was furthest off and average the three, about as good as you can get, but airplanes I’ve only seen weighed once. ‘It’s sort of a measure it with a micrometer, mark it with chalk and cut it with an axe kind of thing. Meaning that the O2 bottle weight is an intelligent question as it’s back in the back isn’t it? If so then with that arm 10 lbs could be significant. ‘Great “Stump the Chump” question for check rides.

I don’t see how it’s paying your share. Do they tax automobiles that exceed 90 days? Why not? Where did 90 days come from, will it become 30 in the future? Yes I’m being argumentative, no I’m not trying to insult. I don’t like being found guilty of laws or taxes that I’m not aware of, FWC stopped me in my dinghy, yes a little inflatable boat in Jacksonville for going too fast in a Manatee zone. So I asked where are the signs? Shouldn’t it be posted? According to FWC it’s online, go to some page on the City of Jacksonville web site and the Manatee zones are posted. Just as I’m sure somewhere it’s posted that Virginia will levy some significant use tax if you accumulate 90 days in State in one Calendar year. I bet most discover this when they get the letter saying the tax is due, and I believe that’s wrong. Laws like this should be plainly posted at any FBO, that way your informed and can make an informed decision if you desire to exceed 90 days or not. By the way, I laid out a logical argument to FWC and along with ensuring him that I’m retired and had nothing better to do than to go to court over it and he let me go. By the way, he was an unmarked FWC, something else that I disagree with. OK I’m off my soap box now, but I do believe that if we are being unfairly treated or singled out that we have the obligation to politely raise our hands and ask why, and to try to change it.

Get a can of trike from work and spray the area clean and while watching it have someone start it. The trike is trichloaflora something, it’s often used to spray cannon plugs clean, AKA contact cleaner but all the Army mechanics will call it trike, or used to anyway

It’s only on this forum too, it’s an older 12.9” Ipad pro running 14.4.2

I doubt it’s Certified for us, engine HP is significantly different, and I doubt it’s much if any more clearance, the big motors need more prop than us.

I can’t figure it out, I’m using an Ipad and it does it most times at the beginning of a line. It will put the quotation mark there by itself, I can back space and delete the letter I typed and retype it and it won’t put it back in, plus it’s not always there. Now for instance, it’s not doing it? It’s only this forum, nothing else and even on this forum when sending a PM it doesn’t seem to do it, and it doesn’t always do it. Initially I would go back and delete all of the marks, but that got old fast so I stopped, but as you can they aren’t there now? Its way over head, I assume it’s something with the forum software and Apple, but surely there are many other people using Ipads, and it’s not consistent? Any ideas? It’s annoying

A very large reason why aviation has been so stagnant for seemingly forever is that long ago we lost the bottomless pockets of the Federal government. ‘The US taxpayer paid for pretty much all of the aviation advances and standards back in the day because were were in a Global war, since then of course the taxpayer is still paying for advancements, unfortunately most aren’t applicable for our little slow airplanes with piston engines and propellors. ‘So that means of course that the end users, meaning us have to pay for whatever we get, and the companies supplying the products have to make a profit or they don’t stay in business. Why I’m bringing this is up is yes, a whole lot more can be done than is done, more isn’t done because by the time you amortize out the expense of doing more over the relatively few products that are sold, you have to only spend on development what you can afford, so it’s not been a can it be done thing for a longtime, for decades it’s been a can we do it and make money? But bottom line is, are you happy with the product, does it meet your expectations? If the answer is yes, then it doesn’t matter if super computers were used to calculate loads for each kt in flight over a range or RPM’s and air density and engine torques or not. I Think you woud be surprised at how much design by eye is done, and how much the old adage of it looks good, it will fly good holds true. The thing that I get back to when people think that because of all the super computers etc that exist now and there just isn’t any room for Jim Bob to have a flash of inspiration is the Gurney flap, Boeing and I believe Bell with their helicopters have become enamored with it, because it works. So every once in a while some common guy with little or no training comes up with something that works.

That certainly puts to rest the question of whether flightaware and ADSB is used for taxing purposes. Surprised the answers were so straight forward

Metal blades are enormously strong too and have a tendency to stay in one piece even when stupid foirces are applied. This is what that four blade Hartzell looks like when the aircraft impacts the ground at just below 200 MPH and pulling in excess of 6 G’s, with 800 SHP applied. Of course that’s ridiculous force, but I don’t worry about whether my metal prop will take a hit from a Buzzard etc either, I’ll do the strike inspection after I land.