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Search: Posts Made By: jmelson
Showing results 1 to 35 of 37
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Forum: Rumours & News
15th Feb 2021, 16:49
Replies: 22
Views: 15,112
Posted By jmelson

Either the people who sent this got incredibly...

Either the people who sent this got incredibly lucky, or they had real-time video from the drone, to steer it to a target. Anybody know? If they had real-time video, then the controller/pilot must...
Forum: Rumours & News
25th Jan 2021, 17:25
Replies: 64
Views: 46,023
Posted By jmelson

vikingivesterled Resolvers have been used in...

vikingivesterled

Resolvers have been used in aircraft systems for MANY years, and they are used specifically because they are VERY reliable. If two resolvers are used, then the failure of one can...
Forum: Accidents and Close Calls
11th Jun 2020, 02:00
Replies: 18
Views: 5,675
Posted By jmelson

And, it is now showing up in the NTSB. There...

And, it is now showing up in the NTSB. There does seem to be a lot of scatter in the parts of the plane, but not so much as to point to an in-flight breakup. Not quite sure how to interpret that.
...
Forum: Accidents and Close Calls
9th Jun 2020, 16:23
Replies: 18
Views: 5,675
Posted By jmelson

A member of a college fraternity organization. A...

A member of a college fraternity organization. A fairly big thing on some US college campuses.

Jon
Forum: Accidents and Close Calls
9th Jun 2020, 01:21
Replies: 18
Views: 5,675
Posted By jmelson

Here's a link that has some more info on the...

Here's a link that has some more info on the people and the trip they were on :
ttps://fox2now.com/news/illinois/chesterfield-native-among-4-killed-in-small-plane-crash/

Jon
Forum: Accidents and Close Calls
7th Jun 2020, 17:35
Replies: 18
Views: 5,675
Posted By jmelson

No, I believe it was reported they were leaving...

No, I believe it was reported they were leaving the area after a few days stay, so a cross country flight, assumed to be with baggage.

And, I think the weather was good that day, but some broken...
Forum: Accidents and Close Calls
6th Jun 2020, 00:35
Replies: 18
Views: 5,675
Posted By jmelson

Yes, that is it. VERY little info out about this...

Yes, that is it. VERY little info out about this one. Seems like maybe no distress call, got up to cruising altitude and then hits the ground. Kind of a strange one. Usually there's some tidbit...
Forum: Accidents and Close Calls
5th Jun 2020, 16:44
Replies: 18
Views: 5,675
Posted By jmelson

PA28 crash 4 fatal 6/1 Carlinville, IL

Does anyone know anything about the crash of a PA28 on 6/1/2020 near Carlinville, IL? It has been in our local news. All 4 aboard died. I don't see any mention here or on the NTSB site so far.
...
Forum: Rumours & News
1st May 2020, 01:49
Replies: 10
Views: 3,894
Posted By jmelson

A few months ago they changed something in the...

A few months ago they changed something in the URL for the radar images. So, if you saved the url, it would no longer work.
Just go to weather.gov and navigate to the desired ZIP code, and you can...
Forum: Military Aviation
6th Aug 2019, 22:41
Replies: 1,144
Views: 617,731
Posted By jmelson

Another interesting case is the F-18 that crashed...

Another interesting case is the F-18 that crashed in Bethalto, IL. June 19, 1996. The pilot was a Navy Top Gun, Navy test pilot, then Boeing test pilot doing a practice run through for a Chech air...
Forum: Military Aviation
11th Jul 2019, 22:33
Replies: 5
Views: 2,409
Posted By jmelson

There is always a low level of these sorts of...

There is always a low level of these sorts of incidents. Every few months some nut case has a "very IMPORTANT message that he needs to get to the president". Some of them are carried away in a...
Forum: Military Aviation
11th Jul 2019, 22:30
Replies: 5
Views: 2,409
Posted By jmelson

Believe me, the security guys don't fool around. ...

Believe me, the security guys don't fool around. I have been to a number of LOW SECURITY installations in my work in nuclear physics.
But, even they have fairly heavy methods, if they need to use...
Forum: Rumours & News
27th Jun 2019, 18:58
Replies: 4,656
Views: 4,808,272
Posted By jmelson

OK, not Boeing (although it is, now) and not...

OK, not Boeing (although it is, now) and not commercial, but military flight control systems, but I did see how they did this at McDonnell Douglas some years ago. They had a big Honeywell computer...
Forum: Military Aviation
24th Apr 2019, 21:16
Replies: 52
Views: 20,093
Posted By jmelson

Oh, really HARD! They only have masculine and...

Oh, really HARD! They only have masculine and feminine articles. So, everything has to have SOME gender assigned. Spark plugs are feminine (la bougie) the earth is masculine (le Monde). Some of...
Forum: Rumours & News
29th Mar 2019, 22:13
Replies: 5,109
Views: 13,258,377
Posted By jmelson

A misWIRED harness would have shown up...

A misWIRED harness would have shown up immediately, but an intermittent problem would usually not show up right away.
It IS quite interesting that two planes may have had similar problems after just...
Forum: Rumours & News
29th Mar 2019, 19:10
Replies: 5,109
Views: 13,258,377
Posted By jmelson

Swapping Sin and Cos could be done in the wiring...

Swapping Sin and Cos could be done in the wiring harness.

Jon
Forum: PPRuNe Problems or Queries
19th Mar 2019, 15:09
Replies: 5
Views: 1,328
Posted By jmelson

No, that doesn't make any difference.. The...

No, that doesn't make any difference.. The slowdown develops within a few minutes of starting Firefox and going to the PPrune web site. If I switch to another web site, performance becomes snappy...
Forum: PPRuNe Problems or Queries
17th Mar 2019, 20:12
Replies: 5
Views: 1,328
Posted By jmelson

That did not seem to help. Now, I sometimes get a...

That did not seem to help. Now, I sometimes get a dialog box that script https:<blahblah>testShrink.js:4 is stuck, do you want to stop it.
Stopping that script makes pprune come back to life.
...
Forum: PPRuNe Problems or Queries
11th Mar 2019, 02:45
Replies: 5
Views: 1,328
Posted By jmelson

web site performance

I have a pretty decent desktop with a 3.5 GHz I5 CPU and 4 GB of RAM. I have a 100 MBit/sec cable service. Lately, when reading the forum, it gets insanely slow. I see the CPU at near 100%...
Forum: Rumours & News
14th Jan 2019, 16:42
Replies: 37
Views: 18,859
Posted By jmelson

The E3 is supposed to be built on a 717 frame,...

The E3 is supposed to be built on a 717 frame, but to the untrained eye, I could not spot the difference.

Jon
Forum: Questions
29th Dec 2018, 19:56
Replies: 30
Views: 12,433
Posted By jmelson

Back in college, I did work/study at NASA-Wallops...

Back in college, I did work/study at NASA-Wallops Station, on the east side of the Chesapeake Bay of Virginia. One of the best sights was the Advanced Technology Demonstrator (McDonnell-Douglas...
Forum: Military Aviation
16th Nov 2018, 22:49
Replies: 113
Views: 51,993
Posted By jmelson

This link says something about 300 million Euro,...

This link says something about 300 million Euro, maybe that's for the hull, alone. The Aegis radar is 1 - 1.2 BILLION $ unit!
If it could ever be repaired after immersion for a week or two, I can't...
Forum: Military Aviation
13th Nov 2018, 22:27
Replies: 120
Views: 37,612
Posted By jmelson

The MAPS do not come from the satellites, ONLY...

The MAPS do not come from the satellites, ONLY the position. Some other scheme (built-in maps, CDROM downloads, cell phone-internet, whatever) provides the maps.

Jon
Forum: Rumours & News
6th Nov 2018, 22:05
Replies: 44
Views: 19,831
Posted By jmelson

Thanks, that makes MUCH more sense! Jon

Thanks, that makes MUCH more sense!

Jon
Forum: Rumours & News
5th Nov 2018, 21:53
Replies: 44
Views: 19,831
Posted By jmelson

WOW! Antibiotics, SALT WATER, Excedrin? I can...

WOW! Antibiotics, SALT WATER, Excedrin? I can fully understand limiting strong painkillers and such, but if they go JUST a LITTLE farther, they can ban water and air, too!

Jon
Forum: Rumours & News
23rd Oct 2018, 18:40
Replies: 83
Views: 40,519
Posted By jmelson

Yes, I've helped move an Aero Commander 500C, and...

Yes, I've helped move an Aero Commander 500C, and it was VERY hard to get it started. A CRJ? Wow, I'd sure love to see the Youtube video! There is a (Russian, I think) video of some guys basically...
Forum: Rumours & News
11th Oct 2018, 18:53
Replies: 22
Views: 16,725
Posted By jmelson

I think they needed the engines PLUS at least two...

I think they needed the engines PLUS at least two tugs, to get it pulled out. I'm not surprised, the wheels were mired pretty deep.

Scary with all those people running around it with the engines...
Forum: Military Aviation
21st Jun 2018, 22:14
Replies: 21
Views: 4,281
Posted By jmelson

Yup, it has 2 huge rolls of film, I seem to...

Yup, it has 2 huge rolls of film, I seem to recall over 100 Lbs. per roll. The two rolls run in opposite direction to not alter the CG of the aircraft as the film is exposed. The lens is pretty...
Forum: Rumours & News
14th Mar 2018, 19:20
Replies: 18
Views: 6,835
Posted By jmelson

Yes, but it would have been a $360 billion bungle...

Yes, but it would have been a $360 billion bungle instead of "ONLY" $36 billion.

Jon
Forum: Military Aviation
18th Dec 2017, 22:19
Replies: 58
Views: 16,520
Posted By jmelson

The Germans had the X Gerate (Don't know how to...

The Germans had the X Gerate (Don't know how to type the umlaut) which was a single beam, and the Y Gerate which had 2 beams that intersected to mark the target. These beams were VERY narrow, only a...
Forum: Military Aviation
25th Nov 2017, 15:25
Replies: 232
Views: 108,818
Posted By jmelson

Well, the reason the US was shadowing the...

Well, the reason the US was shadowing the exercises so closely is they were hoping, I guess, to monitor a test using the Shkval torpedo.
A lot of speculation at the time of the Kursk disaster was...
Forum: Military Aviation
25th Nov 2017, 00:43
Replies: 232
Views: 108,818
Posted By jmelson

The Kursk was sunk by an explosion related to the...

The Kursk was sunk by an explosion related to the Shkval torpedo, really an undersea rocket capable of traveling 160 MPH underwater. No way could that be done with electric propulsion.

Jon
Forum: Military Aviation
6th Nov 2017, 21:11
Replies: 76
Views: 20,023
Posted By jmelson

The Bombes were more directly responsible, as the...

The Bombes were more directly responsible, as the important traffic telling where U-boats would be, were largely sent by naval Enigma cipher. Britain made several Bombes to break the Enigma codes,...
Forum: Military Aviation
25th Sep 2017, 21:48
Replies: 55
Views: 40,851
Posted By jmelson

Oh boy, that reminds me of the F-18 crash in...

Oh boy, that reminds me of the F-18 crash in Bethalto, IL by Jeffrey Crutchfield in June 1996. He was practicing for an air show in the Czech Republic, and his boss and family were there.
He also...
Forum: Biz Jets, Ag Flying, GA etc.
13th Jul 2017, 19:37
Replies: 11
Views: 3,064
Posted By jmelson

In 2005, there was a whole apron full of them at...

In 2005, there was a whole apron full of them at PIE (St. Petersburg/Clearwater, FL.) I don't know if they are still there.

Jon
Showing results 1 to 35 of 37
 
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