phumbe

7 ms·

31.
How to Inspect Every Piece of a Widebody Airplane(wsj.com)
2 points by phumbe 9y ago|0 comments
32.
by phumbe 9y ago
That's really cool. Any chance it might eventually allow users to specify a single start/end point and a desired distance? That'd be much more useful for people who ride for sport, and even though there seem to be a few websi
33.
by phumbe 9y ago
I think adoption has been poor because the pace of work has been slow, even though it shouldn't be -- Trello shows lots to work on. The team isn't afraid to share their accomplishments and thoughts. But they haven't been taki
34.
by phumbe 9y ago
I lead a student group. Have a Standuply report setup to run once a week on Slack. Also have Trello. Adoption of both has been tepid. I like the premise of Standuply: the bot interviews everyone (you define the questions) and then publishes
35.
How a Game Taught Me to Correctly Price a Product(medium.com)
2 points by phumbe 9y ago|0 comments
36.
by phumbe 10y ago
This article provides a brief follow-up of a story covered in a recent post here. https://news.ycombinator.com/item?id=13890618
37.
Increased Lateral Separation Urged as A380’s Wake Flips Challenger 604(flyingmag.com)
1 points by phumbe 10y ago|1 comments
38.
by phumbe 10y ago
That's my go-to reference when looking for new routes. We can really think of its reliability as a signal-to-noise ratio: inexperienced road cyclists might cause the map to show significant traffic on bad roads while experienced cyclis
39.
by phumbe 10y ago
Also worth noting for the transatlantic paths is the direction of traffic. When it's morning in North America, traffic is predominately westbound. When it's night, traffic is predominately eastbound. Right now, it's the middl
40.
by phumbe 10y ago
The other two replies covered your questions well, so I'll just add that wakes don't descend particularly fast. According to the FAA's Pilot's Handbook of Aeronautical Knowledge[1] (page 14-28), "Tests have also sho
41.
by phumbe 10y ago
Glad you brought up winglets. My favorite example are those on the new 737 MAX. Boeing's page[1] about them is top-notch. [1] http://www.boeing.com/commercial/737max/737-max-winglets/
42.
by phumbe 10y ago
It's helpful to think of an aircraft's wake in two parts. The wing is deflecting air downward to provide lift; this creates a volume of downward-moving air behind the aircraft. There's higher pressure under the wing and lower
43.
by phumbe 10y ago
To add to jacquesm's response, the footage in [2] is definitely from a humid day. That makes condensation happen very readily. If I remember correctly, the trails from the outboard edges of the flaps are just like wingtip vortices. The
44.
by phumbe 10y ago
That's Gol Transportes Aéreos Flight 1907 -- https://en.wikipedia.org/wiki/Gol_Transportes_A%C3%A9reos_Fl... There's also an episode ("Phantom Strike") of the TV series Mayday about the incident; i
45.
by phumbe 10y ago
For anyone interested, there are several great youtube videos[1-4] that show the wakes (the wingtip vortices in particular) created by various aircraft. This incident brings the Reduced Vertical Separation Minima (RVSM)[5] into question. St
46.
by phumbe 10y ago
Superb! But I might have to look at the code for calculating the Board's mood. $3.2M in cash and a profit goal of $1.3M makes me unfortunately wary of spending on large research/special projects or hiring additional staff.
47.
by phumbe 10y ago
Looks like forward slip to landing has been in the Private Pilot Practical Test Standards [1] since at least Nov 2011 [1][PDF] https://www.faa.gov/training_testing/testing/test_standards/...
48.
by phumbe 10y ago
The APU provides electrical power but only when there's fuel for it to burn. In the case of the Gimli Glider, it therefore would not have worked. If we look at the case of Cactus 1549 [1], though, we see Capt. Sullenberger turned on th