Search found 517 matches

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by boacvc10
Fri May 29, 2020 2:39 pm
Forum: Military Aviation & Space Flight
Topic: what are typical capabilities of missile propulsion systems -
Replies: 8
Views: 888

what are typical capabilities of missile propulsion systems -

Wondering. According to Wikipedia (hey, this is a.net) air-breathing propulsion systems are used for cruise missiles (makes sense, they have to travel a long time). Is loitering allowed before a strike is ordered? BTW, are there any civilian derivatives of those engines/civilian analogs in use in sm...

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by boacvc10
Sun May 17, 2020 6:12 pm
Forum: Military Aviation & Space Flight
Topic: Ejection seat guide rail
Replies: 4
Views: 1308

Re: Ejection seat guide rail

Hi, I'm a mechanical engineering student and I'm working on a project to make an ejection seat and test it . On the testing side of the project (fun!) - What is your test protocol? Will you use accelerometers to measure G-force, and set triggers, or high speed cameras to see effects, or other? Well...

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by boacvc10
Sun May 10, 2020 4:26 pm
Forum: Travel, Polls & Preferences
Topic: post-COVID19 airfares - how high will they go?
Replies: 1
Views: 680

post-COVID19 airfares - how high will they go?

Looking at the picture accompanying https://www.dailymail.co.uk/news/article-8304173/Cardiologist-shares-photo-board-packed-United-flight-NYC.html Daily Mail Article - Cardiologist shares photo on board a packed United flight and slams their 'relaxed' social distancing policy - just days after they ...

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by boacvc10
Sun May 10, 2020 1:49 am
Forum: Non-Aviation
Topic: For bored a.netters Netflix into the night series
Replies: 3
Views: 577

For bored a.netters Netflix into the night series

Hammy acting, implausible story line, giant plot holes involving airstairs and what else? Actually, I am on episode 4 .. what magical flight plan are they following and how are they achieving AOR to POR crossing to HNL? Is there any chance a real flight plan was calculated for the script realism to ...

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by boacvc10
Wed May 06, 2020 5:45 pm
Forum: Technical/Operations
Topic: plasma jet engine (thrust from air and electricity)
Replies: 1
Views: 790

plasma jet engine (thrust from air and electricity)

Well, in the lab at my former institution I got to develop control systems for scalable electric propulsion systems and I was part of a team that built a set of four thrusters for small satellites. I know it worked: the space missions succeeded in doing orbital maneuvers. So I appreciate the power o...

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by boacvc10
Wed May 06, 2020 5:19 pm
Forum: Civil Aviation
Topic: old 70s/80s alliance question
Replies: 26
Views: 8269

Re: old 70s/80s alliance question

Thank you all for this recap - I've also often (in visiting/flying as pax different airports worldwide) seen the tails of aircraft and their liveries, and found commonality from time to time. From the above discussion, I realize it might have been because aircraft got "handed down" based u...

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by boacvc10
Wed May 06, 2020 12:31 am
Forum: Civil Aviation
Topic: old 70s/80s alliance question
Replies: 26
Views: 8269

old 70s/80s alliance question

Was there an alliance between Thai International and SAS in the 70s/80s? If there was, what were the drivers for the alliance (Northern Europe v. South East Asia) and how effective was it? I ask as there were family members (a long time ago) involved in the Thai International ops, and I think I had ...

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by boacvc10
Wed Mar 18, 2020 10:30 pm
Forum: Civil Aviation
Topic: Boeing Financial Discussion 2020
Replies: 432
Views: 60094

Re: Boeing Financial Discussion 2020

Now we have the perfect storm, and a very severe one. The cash cow not generating cash (737). The aircraft and air passenger market has pancaked. No ability to raise capital or credit through conventional channels without assistance. Airline and lessor customers demanding to cash in retrospective c...

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by boacvc10
Wed Mar 04, 2020 1:40 pm
Forum: Non-Aviation
Topic: Rollerman suits - anyone try them?
Replies: 2
Views: 315

Rollerman suits - anyone try them?

I came across a Rollerman suit news piece on CNN. https://www.cnn.com/videos/sports/2020/03/03/rollerman-jean-yves-blondeau-china-jackie-chan-extreme-sport-spt-intl-lon-orig.cnn/video/playlists/international-sport-playlist-general-videos/ If they were available in the US Mid-Atlantic, I would try th...

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by boacvc10
Fri Feb 21, 2020 2:02 am
Forum: Military Aviation & Space Flight
Topic: Need an airborne aircraft carrier?
Replies: 2
Views: 696

Re: Need an airborne aircraft carrier?

And then I find out that such mothership/drone/return tests are already in the works - This one is from Dynetics https://www.extremetech.com/extreme/305285-darpa-may-have-found-the-secret-to-flying-aircraft-carriers "The goal of the X-61A Gremlin is to show how an existing plane like a C-130 ca...

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by boacvc10
Fri Feb 21, 2020 1:55 am
Forum: Military Aviation & Space Flight
Topic: Need an airborne aircraft carrier?
Replies: 2
Views: 696

Re: Need an airborne aircraft carrier?

It wasn't only Boeing. Lockheed too:https://en.wikipedia.org/wiki/Lockheed_CL-1201

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by boacvc10
Fri Feb 21, 2020 1:51 am
Forum: Military Aviation & Space Flight
Topic: Need an airborne aircraft carrier?
Replies: 2
Views: 696

Need an airborne aircraft carrier?

I did not know, until a few minutes ago, of a past Boeing concept for an airborne aircraft carrier, which is one of several past concepts and part of a class of airframes in aviation history that were designed to carry small aircraft to use as launch pads. With the current splurge in US defense spen...

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by boacvc10
Thu Feb 13, 2020 4:58 pm
Forum: Civil Aviation
Topic: IAD - ASCOT 6368 emergency landing a few minutes ago?
Replies: 9
Views: 1736

Re: IAD - ASCOT 6368 emergency landing a few minutes ago?

https://www.radarbox24.com/data/flights/rrr6368


Looks like a C-17 when I did a search with RRR6368 lookup.

BOACVC10
-->

AWACSooner wrote:
Cubsrule wrote:
But that may narrow things down to the C-17 because I don't think the RAF operates any other transport aicraft with that range.

A330MRTT


https://www.radarbox24.com/data/flights/rrr6368


Looks like a C-17 when I did a search with RRR6368 lookup.

BOACVC10

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by boacvc10
Fri Jan 31, 2020 4:46 pm
Forum: Technical/Operations
Topic: glass cockpit safety question (Are the LCD screens armored)
Replies: 9
Views: 1493

glass cockpit safety question (Are the LCD screens armored)

I enjoyed the perspective shown in 5858089 of an A350-941 cockpit instrumentation. Putting on my designer hat on, I was wondering, what if something hit those screens, or some object / body with capacitance brushed the screen. Obviously I am talking / considering during abnormal situations not durin...

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by boacvc10
Sat Jan 25, 2020 9:11 pm
Forum: Civil Aviation
Topic: Pax downgrade due to personal weight by Thai Airways
Replies: 41
Views: 10230

Pax downgrade due to personal weight by Thai Airways

Well, I don't quite know if this is true, or understand the technical reason was for the incident being reported at https://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=12303332 "Thai Airways deny Auckland women business class seats on flight because of weight", or why accomm...

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by boacvc10
Sun Dec 22, 2019 1:05 am
Forum: Military Aviation & Space Flight
Topic: United Launch Alliance - Tests, Launches, News, Developments
Replies: 128
Views: 18423

Re: United Launch Alliance - Tests, Launches, News, Developments

if its clock hiccups again" if I may add in " .... and fix the big problem we have of not understanding the fact that there may be gaps in TDRS coverage for launch and early orbit ops, at altitudes less than 750 miles. ". Seriously, did the mission planning team not hire anyone (hire...

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by boacvc10
Wed Mar 06, 2019 5:29 pm
Forum: Military Aviation & Space Flight
Topic: High tension on the Indo Pakistani border
Replies: 13
Views: 4090

Re: High tension on the Indo Pakistani border

Any after action reports out there? BOACVC10 Wonders of the Internet and Twitter: From the PAF aviators https://twitter.com/BabakTaghvaee/status/1100751163287322624/video/1 "#BREAKING: This video is released by a #Pakistan Air Force personnel shows 14sq Leader, Hasan Siddiqui upon his return t...

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by boacvc10
Wed Mar 06, 2019 5:24 pm
Forum: Military Aviation & Space Flight
Topic: High tension on the Indo Pakistani border
Replies: 13
Views: 4090

Re: High tension on the Indo Pakistani border

http://www.thedrive.com/the-war-zone/26 ... rial-brawl with better pics. Aircraft on IAF side was the venerable Mig-21 Bison, which did not stand a chance.
-->

[quote="boacvc10" Any after action reports out there?

BOACVC10[/quote]

Great, just found out http://www.thedrive.com/the-war-zone/26 ... rial-brawl with better pics. Aircraft on IAF side was the venerable Mig-21 Bison, which did not stand a chance.

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by boacvc10
Wed Mar 06, 2019 5:22 pm
Forum: Military Aviation & Space Flight
Topic: High tension on the Indo Pakistani border
Replies: 13
Views: 4090

Re: High tension on the Indo Pakistani border

I came across a photo of IAF (Indian Air Force) with what they say is pieces of an air to air missile. It is marked in english and clearly visible as "AIM-120C-5..." "SERNO 1245..." - Thought I would bring it to the attention of the forum here. It's behind a paywall, but you can ...

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by boacvc10
Wed Feb 27, 2019 3:52 pm
Forum: Military Aviation & Space Flight
Topic: High tension on the Indo Pakistani border
Replies: 13
Views: 4090

Re: High tension on the Indo Pakistani border

Videos show a possible collision between the fighters (stabilizer parts falling off ) or a close range gun combat with deadly results. Could air force combat veterans comment on what they can see from public footage. Daily Mail has videos on their websites, but I guess it was in daylight so surveil...

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by boacvc10
Wed Feb 27, 2019 2:54 pm
Forum: Military Aviation & Space Flight
Topic: High tension on the Indo Pakistani border
Replies: 13
Views: 4090

Re: High tension on the Indo Pakistani border

Videos show a possible collision between the fighters (stabilizer parts falling off ) or a close range gun combat with deadly results. Could air force combat veterans comment on what they can see from public footage. Daily Mail has videos on their websites, but I guess it was in daylight so surveill...

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by boacvc10
Fri Feb 08, 2019 4:44 am
Forum: Civil Aviation
Topic: DC/VA/MD Aviation Thread - 2019
Replies: 456
Views: 65706

Re: DC/VA/MD Aviation Thread - 2019

I have a question for a.netters who also may be car drivers who travel to/from Washington, DC from/to Crystal City, VA on I-395 and other bridges::Are there incidents of pilots flying extremely low on approach over the bridge on final for runway 19 ? I can't give times, dates, but I do travel betwee...

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by boacvc10
Sun Jan 27, 2019 4:35 am
Forum: Non-Aviation
Topic: New claim of MH370 crash site
Replies: 2
Views: 590

New claim of MH370 crash site

Well, there have been many theories about the missing MH370 flight. Here is another one that is a detailed one at first glance by a fisherman with his GPS. Any possibility it might have some credibility? What are the depths at that site? Malaysia Today January 16, 2019 BOACVC10 Sent from my SM-G935T...

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by boacvc10
Thu Jan 24, 2019 10:51 pm
Forum: Civil Aviation
Topic: Everybody, remember where we parked
Replies: 1
Views: 1108

Everybody, remember where we parked

(Moderators - I think this is an oddball - a General Aviation aircraft, in an ocean park, IN the water, not a hostel - so which forum?)

Has this ever been done before?

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by boacvc10
Fri Jan 18, 2019 5:09 am
Forum: Aviation Photography
Topic: HD video with analytics of departures from DAC VGHS
Replies: 0
Views: 2946

HD video with analytics of departures from DAC VGHS

Technical video of aircraft departing DAC (VGHS) with sound levels and aircraft data. Includes Bangladesh Air Force Mig-29 and a good collection of varied other models. Excellent quality.. Needs speakers. Found using general search, not sure if it has been posted on airliners.net before - but good ...

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by boacvc10
Mon Jan 07, 2019 1:19 pm
Forum: Military Aviation & Space Flight
Topic: NASA/DLR SOFIA - Stratospheric Observatory for Infrared Astronomy, a modified Boeing 747,
Replies: 5
Views: 1747

NASA/DLR SOFIA - Stratospheric Observatory for Infrared Astronomy, a modified Boeing 747,

I came across an article about SOFIA, "Stratospheric Observatory for Infrared Astronomy" a modified Boeing 747 operated by NASA/DLR. I have a question about the rear panel that has to be raised for operation. I see from the pictures in mid-flight the door follows the curvature of the upper...

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by boacvc10
Wed Nov 28, 2018 4:14 pm
Forum: Military Aviation & Space Flight
Topic: reducing launch cost - rocket with jet powered first stage discussion
Replies: 11
Views: 4000

Re: reducing launch cost - rocket with jet powered first stage discussion

What size of rocket are you proposing? Wouldn't most be too large to be powered by jet engines (how many would be needed), and how should they get off the ground? I was thinking idly that a small gantry/vertical launch platform could be utilized to hold the stack, and the inlets for the air breatin...

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by boacvc10
Wed Nov 28, 2018 4:21 am
Forum: Military Aviation & Space Flight
Topic: reducing launch cost - rocket with jet powered first stage discussion
Replies: 11
Views: 4000

reducing launch cost - rocket with jet powered first stage discussion

Has there been a rocket with a first stage comprising an air breathing high thrust/weight ratio jet engine for a short duration flight (say 3-5 miles altitude and gravity turn)? I did some rocket equation calculations once based upon pure chemical rockets and from what I could see if I ran a series ...

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by boacvc10
Tue Nov 06, 2018 5:21 pm
Forum: Technical/Operations
Topic: Discouraged Aircraft Mechanic
Replies: 38
Views: 4979

Re: Discouraged Aircraft Mechanic

Im open for any suggestions and feedback. Thank you for your time and patience. Have a blessed day! JRW, Don't Panic. I had some big issues, which has derailed my life / work plans, despite high qualifications. I started to rebuild, from lowly $10/hr wages and now I accept occasional contract, shor...

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by boacvc10
Sun Aug 12, 2018 2:47 am
Forum: Civil Aviation
Topic: Help me understand this FlightAware entry
Replies: 5
Views: 1405

Help me understand this FlightAware entry

I just noticed 9W Flt. 234, (DEL New Delhi, India to AMS Amsterdam, Netherlands). https://flightaware.com/live/flight/JAI234 It left Terminal 3 Indira Gandhi Int'l - DEL on time, but is 1h10m late arriving at 0850 CEST ? Is this a site discrepancy or due to a specific reason. BTW, is 9W 234 a same p...

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by boacvc10
Sun Aug 05, 2018 8:36 pm
Forum: Civil Aviation
Topic: Bigboy AN-225 Myria in a casual low pass?
Replies: 32
Views: 6436

Re: Bigboy AN-225 Myria in a casual low pass?

here is the amazing video of where that photo came from.. https://www.youtube.com/watch?v=SnmhgMNWd8E now lets wait and see when the next a.netter post the exact same video without reading this thread. Its coming.. Beautiful amateur camera work, on a nice sunny (cold) day. The youtube video refers ...

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by boacvc10
Mon Jul 02, 2018 3:51 pm
Forum: Civil Aviation
Topic: Biman Bangladesh eyes New York flights
Replies: 30
Views: 4865

Re: Biman Bangladesh eyes New York flights

On the other hand, AI already operates BHX-DEL and BHX-ATQ so BG could end up competing with AI for Bangladesh-UK traffic as well as with the ME3, whereas AI don't operate at all into MAN. Maybe DAC-MAN-JFK is a better option on this basis. This may all become academic when 9W start BOM-MAN in Nove...

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by boacvc10
Mon Jul 02, 2018 12:32 pm
Forum: Civil Aviation
Topic: Biman Bangladesh eyes New York flights
Replies: 30
Views: 4865

Re: Biman Bangladesh eyes New York flights

https://newsroom.aviator.aero/biman-bangladesh-airlines-eyes-new-york-flights-with-incoming-b787s/ If you visited that website, you would see a Biman (BG) 787 on the runway/taxiway. For those who can't read Bangla language scripts: the lettering on the right hand side, above the window line actuall...

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by boacvc10
Tue Jun 19, 2018 1:55 pm
Forum: Military Aviation & Space Flight
Topic: U.S. Space Force - What could it look like?
Replies: 77
Views: 13308

Re: U.S. Space Force - What could it look like?

It could mean giant leaps in technology. Physics is Physics is Physics. The cost of a rocket launch for a large mass object (manned spacecraft or ~18 Ton robotic/unmanned orbiter) to LEO is still in the hundreds of millions per instance. What would be the size of a recurring budget for launches to ...

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by boacvc10
Tue Jun 19, 2018 1:12 pm
Forum: Military Aviation & Space Flight
Topic: U.S. Space Force - What could it look like?
Replies: 77
Views: 13308

U.S. Space Force - What could it look like?

I'm proposing a discussion on 45's push to create a U.S. Space Force. Whether it will happen is yet to be decided. What could it look like in organizational terms and resources? What capabilities woud it need to stand on its own if there was a will and a need to do so? How will it break apart compon...

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by boacvc10
Sat Apr 14, 2018 5:22 am
Forum: Military Aviation & Space Flight
Topic: Supermarine Spitfire early history
Replies: 14
Views: 2325

Supermarine Spitfire early history

I didn't know about the WW2 funding contribution of Lady “Poppy” Fannie Lucy Houston without whom the Supermarine Spitfire would not have been ready for action in the Battle of Britain, according to https://www.thedailybeast.com/the-gold-digger-who-saved-britains-wwii-winning-plane?ref=home 4703551

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by boacvc10
Thu Mar 29, 2018 1:19 am
Forum: Civil Aviation
Topic: Qantas defines ULR requirements, delays order decision
Replies: 347
Views: 57136

Re: Qantas defines ULR requirements, delays order decision

Qantas : the aircraft must be able to fly a full load nonstop from Australia's east coast to Europe and the US east coast. Any usefulness in considering a route between SYD-NYC through north-east track over the pacific at high altitude (9940 mi) instead of a route over Asia and Europe (13,000+ mile...

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by boacvc10
Mon Mar 12, 2018 11:15 pm
Forum: Civil Aviation
Topic: Reports of crash in Kathmandu, Nepal
Replies: 103
Views: 28663

Re: Reports of crash in Kathmandu, Nepal

http://www.jacdec.de/WP/wp-content/uploads/2018/03/[email protected]_MAP1.jpg What in the world... Ok, I am shocked, being from that region, and the country. S21X is my old ham radio callsign. So ... I am curious how the ATC comms could have played a significant role in the...

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by boacvc10
Wed Feb 28, 2018 7:28 pm
Forum: Civil Aviation
Topic: "Flying" boats.
Replies: 2
Views: 582

"Flying" boats.

Ok, this is about boats that are designed to fly over water bodies. Yes, there have been Russian flying boats that are large, jet powered if I recall correctly... but in Singapore they seem to have something that is much more practical and available right now. Cost? Cheaper than .... ? See video in ...

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by boacvc10
Fri Feb 23, 2018 12:15 am
Forum: Civil Aviation
Topic: Dude, where did you park the 737?
Replies: 1
Views: 1115

Dude, where did you park the 737?

I came across this article about a 737 in a fenced yard somewhere around Bali, Indonesia. What was the history of this airframe?

http://www.dailymail.co.uk/news/article-5421939/Balis-bizarre-tourist-attraction-Boeing-737.html

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by boacvc10
Tue Feb 20, 2018 1:41 am
Forum: Non-Aviation
Topic: Russian space movie
Replies: 7
Views: 885

Re: Russian space movie

Watched this on Amazon; it was certainly well made and the graphics were excellent. It didn't lag either, and even showed the brutal management style of the Communist regime at that time. If you have Prime, don't mind subtitles and have a love for all things space then it's worth a watch. This is t...

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by boacvc10
Mon Feb 19, 2018 10:24 pm
Forum: Military Aviation & Space Flight
Topic: To Make Way for B-21, Air Force Plans to Retire B-1, B-2 in 2030s
Replies: 23
Views: 2648

Re: To Make Way for B-21, Air Force Plans to Retire B-1, B-2 in 2030s

So the B-52s are now expected to soldier on into the 2050s. . What could a reasonable expectation be of the 'amount' of components that have to be replaced in such a scenario for the oldest frames? Will the platforms be 'overhauled' or 'rebuilt'? I'm just curious to know just how much effort in mat...

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by boacvc10
Wed Jan 24, 2018 7:14 pm
Forum: Civil Aviation
Topic: What is the progress of the AN-225 production efforts?
Replies: 1
Views: 1283

Re: What is the progress of the AN-225 production efforts?

I should have said "possible AN-225 production restart efforts". Negative news also accepted. It's just a (very) big aircraft with (six) engines after all.

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by boacvc10
Tue Jan 23, 2018 1:14 pm
Forum: Technical/Operations
Topic: De Havilland Comet Dimensions for FEA
Replies: 21
Views: 2837

Re: De Havilland Comet Dimensions for FEA

Take a look at: http://lessonslearned.faa.gov/Comet1/G-ALYP_Report.pdf That is a very sobering and extremely informative document for its age, and I am reminded that (I am in awe) a lot of the early big engineering efforts in the U.S. Space program (Mercury > Gemini > Apollo) were so new, no one ne...

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by boacvc10
Fri Jan 19, 2018 6:24 pm
Forum: Civil Aviation
Topic: What is the progress of the AN-225 production efforts?
Replies: 1
Views: 1283

What is the progress of the AN-225 production efforts?

I came across an old 2016 article: https://www.popsci.com/china-will-resurrect-worlds-largest-plane. It indicated that 2019 is a target date for a Chinese firm to receive the frame. Are there any updates? Just curious.

BOACVC10

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by boacvc10
Sat Aug 05, 2017 12:15 pm
Forum: Civil Aviation
Topic: MH370 Search Officially Suspended
Replies: 59
Views: 13776

Re: MH370 Search Officially Suspended

I would like to study the nature by which they confirmed the signals are in fact coming from that quadrant that they think they did. Well the satellite ping analysis is all based on timing (like GPS) and nothing to do with directionality. Ah. I defer to experts, but then there are physical laws (be...

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by boacvc10
Thu Aug 03, 2017 5:47 pm
Forum: Civil Aviation
Topic: MH370 Search Officially Suspended
Replies: 59
Views: 13776

Re: MH370 Search Officially Suspended

Officially announced today. MH370 search has been suspended “... Despite every effort using the best science available, cutting-edge technology, as well as modelling and advice from highly skilled professionals who are the best in their field, unfortunately, the search has not been able to locate t...

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by boacvc10
Mon Apr 06, 2015 3:16 pm
Forum: Military Aviation & Space Flight
Topic: Can The C-17 Be Converted Into A Fuel Tanker
Replies: 15
Views: 11464

Can The C-17 Be Converted Into A Fuel Tanker

I had an opportunity last year to step into the yawning cavern of a C-17 at an airshow, paid attention to the massive mechanical structures. Has a off-loadable fuel tanker role been considered for this aircraft platform, or are the wing structures not suited for that ? Well, if not the Wings, the ta...

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by boacvc10
Wed Feb 25, 2015 2:57 pm
Forum: Technical/Operations
Topic: Not A Big Fan Of The 787's Windows
Replies: 39
Views: 9691

RE: Not A Big Fan Of The 787's Windows

<table border="0" align="CENTER" width="95%" class="quote"><tr><td><font size="2" face="ARIAL, Helvetica, Geneva" color="#9A9DA0">Quoting <a href="/profile/Burchfiel" class="quote" target="_blank">Burchfiel</a> (<a href="#0" class="quote">Thread starter</a>):<br/><i>Another (small) disadvantage is t...

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