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There is no EST or CST in the summer
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Oct 7, 2023 15:47
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e.pilot posted:what about MST You guys are ok, that's the least of your transgressions
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Oct 7, 2023 16:34
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 @
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Oct 8, 2023 14:29
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Arson Daily posted:Oh and don't tell me it's random selection either since 8 out of 9 people got randomed at the kcm in RNO today as I was going to work. Total bullshit It's specifically not random, that's just a nickname/catchword. (Maybe it used to be random in the past? Who knows.) It's called Unpredictable Screening Procedures, and there's various triggers that'll get you on the selection train. (Whether that actually decreases unpredictability, I'll leave to the math PhD's.) Also we can't go straight to Precheck without being directed by USP, unless you're a Precheck member.
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Nov 4, 2023 00:05
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Arson Daily posted:Isn't unpredictable and random the same thing essentially? Or am I being dumb That is was what I was sorta agreeing with, in my parenthetical. But whether the U in USP is really accurate nomenclature, the secret triggers definitely exist. Common speculation is that that one of them is using KCM at the same airport twice in too short of a time period, is one. dupersaurus posted:You can’t use randomness as a cover for over-investigating It just pops up a notification on their laptop, when you scan in.
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Nov 4, 2023 04:14
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e.pilot posted:I assume you need a self launch endorsement to fly the shuttle? Except for the Enterprise
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Nov 4, 2023 18:43
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Guys just the other day I saw Southwest go around, on their own volition, from being unstable. I know it sounds too far out, but I was there and I saw it and I swear it!
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Dec 29, 2023 23:34
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Rolo posted:My hot take that I know nobody cares about but I gotta post it: "Children" is figurative. And in the famous AA video of Capt. Vandgerburgh's seminar where the phrase originated (or at least caught on), he makes the point multiple times that it's the training department's fault, and "we" (the training department) have failed all those pilots.
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Jan 13, 2024 00:36
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Another thread miracle!
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Jan 13, 2024 17:18
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Goons that have asked the stairs question on the radio
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Jan 19, 2024 05:04
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There was a recent skytyping thing that made the forums/social media/group chats circuit in a minor way.
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Feb 15, 2024 02:00
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the milk machine posted:I have some questions about constant speed props Everything they said is true, but to answer this part in a nutshell: For every RPM there's a max allowed manifold pressure, (though, as has been pointed out, this is not "square") to avoid exceeding the safe cylinder pressure during combustion; and doing the changes in this order prevents you from temporarily going through a non-allowed combo. Both directions of power change, you're going in the safer direction first.
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Feb 27, 2024 20:53
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MrYenko posted:Think of the CS prop as a CVT transmission. quote:That is to say, the compressor turbine and the power turbine are attached to separate but concentric shafts quote:This type of engine uses a constant speed prop that is of very similar concept (during flight operation) to that on a piston engine, but whose governor works in a different way. There's more add-on limiters and at least 1 cross connection between the prop governor and fuel governor for redundancy, but as far as I remember the basic blade governing function is the same.
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Feb 27, 2024 21:06
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Arson Daily posted:none of this is true unless youre talking about some insane turbo compound engine. NA and esp turbo engines can and do run oversquare all the time and its totally normal for them to do so. Read the part in the parentheses
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Feb 28, 2024 02:49
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Arson Daily posted:i did read that part and honestly cant imagine what youre referring to. can you give an example? The IO-360 engine in the Piper Arrow, the ubiquitous most people's first CS prop trainer. Lower right of the graph, below 2400 RPM the MP is limited (ranging from 4 to 7 inches over square.) vessbot fucked around with this message at 08:29 on Feb 28, 2024 |
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Feb 28, 2024 06:49
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Salami Surgeon posted:WELL ACKSHUALLY I think you mean compound turbo. Turbo compounding is a completely different thing. He correctly meant turbo-compound, the late WWII tech of exhaust energy being mechanically fed back into the crankshaft. The only flying engine that features this, the Wright R-3350 has this part removed on all examples due to parts and maintenance, and lack of need (warbirds not carrying war payload). Compound turbo (running 2 turbos with the compressors in series) is not something done in aviation ever to my knowledge (but I have not been following the developments in Reno sport class in the last decade or so).
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Feb 28, 2024 07:04
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Yeah lol it's as if they took the air data probes and pl..... oh wait
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Mar 31, 2024 12:27
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Lord Stimperor posted:
Yeah that's bullshit, because quote:according to my POH, running oversquare is far from the exception - it's in fact the norm. The grain of truth in it is that it's good practice to, when making power changes that involve both levers, to - when increasing, increase RPM first, and - when decreasing, decrease throttle first ... which prevents you from temporarily going through the prohibited part of the graph, if you're near it.
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Apr 13, 2024 20:15
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| # ¿ May 21, 2024 23:19 |
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hobbesmaster posted:Does GNSS jamming usually cause crazy stuff like this or is whatever was turned on last night extra special? (Or is this aircraft “extra special”?) Whole range of effects from the innocuous (ANP exceeds RNP, nothing else happens) to the pretty bad (loss of FMS navigation, false FMS navigation by hundreds of miles, false GPWS alerts)
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Apr 14, 2024 18:19
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