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Search: Posts Made By: LowObservable
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25th Jun 2021, 13:28
Replies: 623
Views: 120,294
Posted By LowObservable

The late (and missed) Lex Lafon told the story of...

The late (and missed) Lex Lafon told the story of a Navy pilot named Seaman, who was saddled with an obvious call sign.

Until, one day, four jets were doing ACM over the Central Valley. One pilot...
7th May 2021, 19:47
Replies: 52
Views: 9,565
Posted By LowObservable

First electro-optical astro-inertial system was...

First electro-optical astro-inertial system was developed for the Northrop SM-62 Snark, starting in the late 1940s. Airborne star acquisition and tracking was demonstrated around 1952. Snark of...
25th Apr 2021, 16:02
Replies: 48
Views: 17,160
Posted By LowObservable

If I recall correctly, the damage mechanism in...

If I recall correctly, the damage mechanism in cases like this is not simply wind blast. Upon encountering the ground, the downwash flow has nowhere to go except sideways and expands as a...
24th Apr 2021, 16:26
Replies: 48
Views: 17,160
Posted By LowObservable

https://cimg7.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg7.ibsrv.net/gimg/pprune.org-vbulletin/1313x1566/v_22_landing_c243104ce53c110beabe96c2acc7cf494545ecfa.jpg
My favorite visualization of V-22 downwash......
8th Apr 2021, 19:57
Replies: 28
Views: 10,982
Posted By LowObservable

In October 1948, Boeing did have in hand a design...

In October 1948, Boeing did have in hand a design for a four-jet, B-47-size bomber as part of the XB-55 program (This had superseded the four-turboprop mini-Bear design). It had improvements such as...
2nd Mar 2021, 14:06
Replies: 6,412
Views: 1,864,558
Posted By LowObservable

UK carrier aviation has gone through some...

UK carrier aviation has gone through some remarkable twists and turns, but this takes the cake, the plate and the little plastic bride and groom on top.
...
7th Oct 2020, 01:05
Replies: 266
Views: 120,517
Posted By LowObservable

Errm... this wasn't "perfect". An aircraft with...

Errm... this wasn't "perfect". An aircraft with eight people on board and no inflight emergency egress was damaged to the point where return to an airfield was apparently impossible. Fortunately (by...
24th May 2020, 20:29
Replies: 230
Views: 126,564
Posted By LowObservable

I could tell you, but then I'd have to use a...

I could tell you, but then I'd have to use a horrible old cliche from a movie about shirtless male beach volleyball that had some airplanes in it.

What I learned over many years is that the...
23rd May 2020, 14:55
Replies: 400
Views: 119,123
Posted By LowObservable

For the record, $12.1 billion is more than half...

For the record, $12.1 billion is more than half the estimated EMD bill for the B-21 bomber, and approximately five times the cost of the Rafale Standard F4 upgrade, which is at least as comprehensive...
23rd Apr 2020, 13:32
Replies: 32
Views: 8,447
Posted By LowObservable

If this thread drifts any more it will start...

If this thread drifts any more it will start singing "Under the Boardwalk", but I would point out that the EA-18G is named after a large-mouth bass (via a USN tradition of naming ships after fish).
11th Apr 2020, 23:13
Replies: 400
Views: 119,123
Posted By LowObservable

The answer to much of the above - including the...

The answer to much of the above - including the prevalence of RVLs and the change in USMC requirements - is a matter of public record since 2010.

Hint: have you seen (live or on video) any public...
3rd Mar 2020, 12:18
Replies: 240
Views: 94,166
Posted By LowObservable

It drew some inspiration from the XL but the wing...

It drew some inspiration from the XL but the wing was more F-22-like - the XL wing originated with SST research at NASA. Also, the XL program had ended with the selection of the F-15E for the Dual...
1st Mar 2020, 18:09
Replies: 240
Views: 94,166
Posted By LowObservable

A million years ago in a galaxy far, far away,...

A million years ago in a galaxy far, far away, when Phoon was still "Eurofighter 2000" and in trouble at many levels, there was a plot to gap-fill A2A with recently modded and lightly used F-16A ADFs...
5th Feb 2020, 10:39
Replies: 65
Views: 31,748
Posted By LowObservable

I always thought that the Gripen party trick was...

I always thought that the Gripen party trick was that, while you were hassling with one Gripen, it passed all your co-ords to the other one over there that you hadn't seen, which promptly shot you.
5th Feb 2020, 10:37
Replies: 12,075
Views: 3,159,175
Posted By LowObservable

To have two parts that are identical in shape and...

To have two parts that are identical in shape and fit but that meet different critical specs is a set-up for a classic Murphy.
4th Feb 2020, 17:59
Replies: 185
Views: 83,473
Posted By LowObservable

My comment was based on logic (for A to be true,...

My comment was based on logic (for A to be true, B and C must be true). Don't need flight time for that.
3rd Feb 2020, 12:32
Replies: 185
Views: 83,473
Posted By LowObservable

At this point, buying the theory GT is peddling...

At this point, buying the theory GT is peddling means that you buy this: Boeing has lost $18bn, its customers are losing Gawd-knows-how much, and the industry is being disrupted, all because the...
3rd Feb 2020, 11:10
Replies: 76
Views: 36,894
Posted By LowObservable

The bean counters, and I am not one, are only...

The bean counters, and I am not one, are only doing what the shareholders want: to increase the revenues per share, whichever the consequences are.

In all too many cases, this has been overtaken...
26th Dec 2019, 17:39
Replies: 288
Views: 337,818
Posted By LowObservable

That's what I call "pseudo-triplex". I don't...

That's what I call "pseudo-triplex". I don't think the international authorities are buying it.
26th Dec 2019, 14:51
Replies: 288
Views: 337,818
Posted By LowObservable

What EASA was saying during most of the fall was...

What EASA was saying during most of the fall was that the solution was a third AoA vane. Hopefully, Boeing has had a Team B working on exactly that, including a retrofit kit that can be installed in...
25th Dec 2019, 14:14
Replies: 288
Views: 337,818
Posted By LowObservable

Discussion of control forces makes me think about...

Discussion of control forces makes me think about the second level of MCAS, where the authority was increased. Theory follows:

The stabilizer can overpower the elevators, as we know. It can also...
24th Dec 2019, 19:10
24th Dec 2019, 14:51
Replies: 288
Views: 337,818
Posted By LowObservable

MCAS can be shown to be very logical. But...

MCAS can be shown to be very logical.

But regardless of the parameters that activate it, and the absence of any intuitive means to inhibit a false activation, it still seems strange to invoke the...
18th Dec 2019, 11:27
Replies: 4,656
Views: 4,468,962
Posted By LowObservable

I'd have agreed with you just after Ethiopian,...

I'd have agreed with you just after Ethiopian, but a grounding of this length and scale is unprecedented and we are in the era of social media.
12th Dec 2019, 22:08
Replies: 4,656
Views: 4,468,962
Posted By LowObservable

https://theaircurrent.com/aviation-safety/pilot-pr...

https://theaircurrent.com/aviation-safety/pilot-procedure-confusion-adds-new-complication-to-737-max-return/?fbclid=IwAR3R9dnXEtiROn6TQWTut63r5V6WKJj634NjmQtkcJ9WNb7JuyicCOXJVhU

Another shell...
Showing results 1 to 25 of 1000
 


 
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