Search found 114 matches

by Leovinus
Tue Jul 20, 2021 2:38 pm
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

https://www.youtube.com/watch?v=k7BHZGtQjPI&ab_channel=%D0%A1%D0%95%D0%93%D0%9E%D0%94%D0%9D%D0%AF https://cdn1.img.rs.sputniknews.com/img/07e5/07/14/1127569794_0:0:3118:2047_1440x900_80_0_1_525ca5eade2e2076ce545162faf0a531.jpg.webp?source-sid=rian_photo Beautiful aircraft, have to say. I do won...

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by Leovinus
Mon Jul 19, 2021 6:18 pm
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

Still can't help but recall the ridicules the X-32 received with the high wing and chin inlet. Though the final F-32 proposal looked slightly better. bt Personally I have a soft spot for the F-32, even the prototyper chonker. Kind of reminded me of a futuristic Sabre. And the chunky prototype looke...

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by Leovinus
Mon Jul 19, 2021 2:55 pm
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

bikerthai wrote:
Is it me or did they took the cue for the air scoop from the X-32?

bt


I wonder if it isn't more likely that, given the purpose and requirements for the scoop, the math guided them to the same place?

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by Leovinus
Mon Jul 19, 2021 2:54 pm
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

Yeh I have high doubts about the UAE or India though. The UAE is almost cleared for the F-35. And India.....well we know how that goes. They're that person that change their clothes 3 times a day, but wear the same underwear for days. I know too little in depth about either nations security needs, ...

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by Leovinus
Mon Jul 19, 2021 2:21 pm
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

Essentially a single engine SU-57. Looks like it uses the same cockpit (makes sense) and wings/tail surfaces look similar with the difference of not having horizontal tails. Looks to be aerodynamically superior to the F-35 with better area-ruling and fewer control surfaces. But then it doesn't have...

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by Leovinus
Mon Jul 19, 2021 1:41 pm
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

Essentially a single engine SU-57. Looks like it uses the same cockpit (makes sense) and wings/tail surfaces look similar with the difference of not having horizontal tails. Looks to be aerodynamically superior to the F-35 with better area-ruling and fewer control surfaces. But then it doesn't have...

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by Leovinus
Mon Jul 19, 2021 11:25 am
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

Well, whatever debate is going to follow on this, I do like it. Reminds me a bit of a F-16 and a Su-57.

Image

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by Leovinus
Mon Jul 19, 2021 8:04 am
Forum: Civil Aviation
Topic: A 9 passenger electrical plane available
Replies: 76
Views: 13366

Re: A 9 passenger electrical plane available

I certainly liked the original engine placement at the wingtips, and it surprises me a little that they didn't go for a pusher prop contra rotating setup for enhanced aerodynamics in this redesign. Though from a practicality standpoint I'm sure the current setup is way easier on maintenance. I kind ...

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by Leovinus
Fri Jul 16, 2021 8:57 pm
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

I see no reason they couldn't have had the opportunity. China has bought, and produced a lot of Russian hardware. J-15 for example. The reasons is obvious. The Chinese believe they can design and build a better airplane. And for the other country who had experienced in building Russian fighter thro...

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by Leovinus
Fri Jul 16, 2021 11:50 am
Forum: Civil Aviation
Topic: Canada to back Pratt & Whitney turboprop hybrid engine technology -sources
Replies: 18
Views: 2543

Re: Canada to back Pratt & Whitney turboprop hybrid engine technology -sources

Confirmed in The Globe and Mail . Pratt & Whitney Canada, a unit of Raytheon Technologies Corp., said it would invest $163-million to continue its push toward the development of hybrid-electric propulsion technology and flight demonstrator program. It is working with De Havilland Aircraft of Ca...

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by Leovinus
Fri Jul 16, 2021 8:02 am
Forum: Civil Aviation
Topic: MHI mulling restarting CRJ production
Replies: 79
Views: 10870

Re: MHI mulling restarting CRJ production

Covid did not kill the spaceJet, unflexible scope clause killed it. It also makes it impossible for US airlines to get the E175-E2 as it has a weight as well as a seat limit. So they are both to heavy for scope. The more regional pilots hired at Legacies, the more likely Scope will be defended like...

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by Leovinus
Fri Jul 16, 2021 7:43 am
Forum: Military Aviation & Space Flight
Topic: Updated: Switzerland deciding to buy F-35A fighter jets
Replies: 349
Views: 52121

Re: Updated: Switzerland deciding to buy F-35A fighter jets

Stealth coatings is a good example that provide another large variable to maintenance cost. A perfectly maintained coating will have a lower radar cross section than an aircraft that has not even been washed after dozens of flights. Coating maintenance could even vary from squadron to squadron with...

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by Leovinus
Thu Jul 15, 2021 8:35 am
Forum: Military Aviation & Space Flight
Topic: New Russian Fighter Jet
Replies: 120
Views: 14244

Re: New Russian Fighter Jet

Is it likely that Russia has the economical strength to develop a light stealth fighter on top of their other development commitments? The F-35 is not exactly a cheap program, and I remain sceptical that both the FCAS and Tempest will see the light of day for political and economical reasons. All of...

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by Leovinus
Thu Jul 15, 2021 8:19 am
Forum: Civil Aviation
Topic: FT: EU plans tax on aviation fuel - to be announced on 14th of July
Replies: 59
Views: 6114

Re: EU Climate Policy Airline Impact And Solutions

Good topic. A 10 year phase in for aviation fuel tax is pretty generous, for something the industry has seen coming for a long time. There is now even more pressure on Airbus and other manufacturers to delivertheir hydrogen technology roadmaps. It will be interesting to watch different global appro...

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by Leovinus
Thu Jul 15, 2021 8:00 am
Forum: Civil Aviation
Topic: Canada to back Pratt & Whitney turboprop hybrid engine technology -sources
Replies: 18
Views: 2543

Re: Canada to back Pratt & Whitney turboprop hybrid engine technology -sources

Sounds incredibly exciting really. Though I'm curious to see what kind of application the engine has. Just like hybrid cars you could go all electric where circumstance permits or requires, and switch over to SAF's or ordinary fuel when the batteries deplete. But it does add weight and complexity. W...

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by Leovinus
Thu Jul 15, 2021 7:46 am
Forum: Civil Aviation
Topic: FT: EU plans tax on aviation fuel - to be announced on 14th of July
Replies: 59
Views: 6114

EU Climate Policy Airline Impact And Solutions

Topic: The new EU climate proposal would entail a 10-year phased introduction of taxes on aviation fuel to get them in line with the rest of the transport sector. It would also force suppliers to blend SAFs into aviation fuel from 2% from 2025 and to 63% from 2050. To get around the problem of &quo...

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by Leovinus
Mon Jul 05, 2021 11:16 am
Forum: Military Aviation & Space Flight
Topic: Tempest Fighter Jet Programme News and Discussion Thread
Replies: 254
Views: 78079

Re: Tempest Fighter Jet Programme News and Discussion Thread

Since the mockup of the FCAS was over 18m in length i doubt your claim of 90kn.. more likley they will be in the 120-140kn range. The Tempest mockup i havet not seen any figures for. Only a 1:48 modell plane, wich said it was 18.12m in length so its also likley will have engines in the 120-150kn ra...

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by Leovinus
Sat Jul 03, 2021 8:21 am
Forum: Military Aviation & Space Flight
Topic: Tempest Fighter Jet Programme News and Discussion Thread
Replies: 254
Views: 78079

Re: Tempest Fighter Jet Programme News and Discussion Thread

I have to say I find it a bit galling, in general, to entirely discard a project that has as yet not seen even a prototype in production.

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by Leovinus
Fri Jul 02, 2021 9:53 am
Forum: Military Aviation & Space Flight
Topic: Tempest Fighter Jet Programme News and Discussion Thread
Replies: 254
Views: 78079

Re: Tempest Fighter Jet Programme News and Discussion Thread

You are talking out of your rear end. Sweden is not developing a fighter with Turkey, there were talks that SAAB would help the turks about 10 years ago but in the end BAE was choosen and then nothing hapened. Sweden wont develop a new fighter alone. We couldnt even afford to develop Gripen E alone...

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by Leovinus
Wed Jun 30, 2021 2:56 pm
Forum: Military Aviation & Space Flight
Topic: Updated: Switzerland deciding to buy F-35A fighter jets
Replies: 349
Views: 52121

Re: Switzerland Restarting Fighter Competition

I'm gonna get the popcorn out. I have much respect for the Swiss form of government, but it does make for some spectacularly interesting political wrangling.

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by Leovinus
Wed Jun 30, 2021 6:13 am
Forum: Military Aviation & Space Flight
Topic: Updated: Switzerland deciding to buy F-35A fighter jets
Replies: 349
Views: 52121

Re: Switzerland Restarting Fighter Competition

No links/sources I'm afraid, but... ... from conversations I've had in India and Europe, the varying configurations of Eurofighters in service all over the world actually hurt the type when it comes to O&S costs versus a generally more stable Rafale product line. The difference was not readily ...

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by Leovinus
Tue Jun 29, 2021 5:50 am
Forum: Military Aviation & Space Flight
Topic: Updated: Switzerland deciding to buy F-35A fighter jets
Replies: 349
Views: 52121

Re: Switzerland Restarting Fighter Competition

They definitely are throwing everything at this. But I'm not sure they could bring the operating cost of the Typhoon down far enough to be competitive. Is there any dependable source on the operating and ownership economics, as well as performance, of modern western fighters? I feel as though most ...

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by Leovinus
Mon Jun 28, 2021 5:58 pm
Forum: Civil Aviation
Topic: The Giant aircraft That Failed
Replies: 59
Views: 19499

Re: The Giant aircrafts That Failed

The "far more economical Avon" - really? The whole point of using the Rolls-Royce Avon was for the extra power it offered. I have never ever heard or seen any evidence saying it was "more economical". Also, the Comet 2, powered by the Avon, first flew on 27 August 1953, which wa...

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by Leovinus
Mon Jun 28, 2021 11:21 am
Forum: Civil Aviation
Topic: The Giant aircraft That Failed
Replies: 59
Views: 19499

Re: The Giant aircrafts That Failed

I don't think anyone is denying the fact that the jet would have superseded the turboprop. What I surmise as being the point of the discussion so far is not "props vs. jets" but rather the impact of timing. Which is entirely hypothetical, but interesting. There was enormous scepticism in t...

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by Leovinus
Sun Jun 27, 2021 2:55 pm
Forum: Military Aviation & Space Flight
Topic: Chinese Y-20 transport finally flies with upgraded engines
Replies: 21
Views: 3677

Re: Chinese Y-20 transport finally flies with upgraded engines

China's behaviour shapes that of countries and corporations that engage with China. It might be easier to hold companies accountable, but let's not give China a free pass shall we? You did write it isn't "the fault of China per-se" — except it absolutely is, as long as censorship is in fo...

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by Leovinus
Thu Jun 24, 2021 7:23 pm
Forum: Civil Aviation
Topic: Dassault to launch Falcon 10X
Replies: 63
Views: 11744

Re: Dassault to launch Falcon 10X

I just want to come in and say... I like the nose. It has a certain water fowl look to it that gives it a friendly, cheerful, vibe to me. So at least there is one of us that likes it.

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by Leovinus
Thu Jun 24, 2021 7:09 pm
Forum: Military Aviation & Space Flight
Topic: Chinese Y-20 transport finally flies with upgraded engines
Replies: 21
Views: 3677

Re: Chinese Y-20 transport finally flies with upgraded engines

I don't quite see how this aspect would be the fault of China per-se. Are you... not familiar with the concept of censorship? Because this comes off as fabulously naive. Come to Asia, literally anywhere in Asia, we'll be happy to show and tell you all about it. It's totally par for the course here....

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by Leovinus
Thu Jun 24, 2021 6:53 am
Forum: Civil Aviation
Topic: The Giant aircraft That Failed
Replies: 59
Views: 19499

Re: The Giants That Failed

But after all the problems with piston thermodynamics, icing on the Bristol Proteus, and the Comet Crashes, I doubt I would have assumed the American jets would perform as well as they did. Just as a quick aside on the Bristol Proteus, the issues with icing on it were overblown by BOAC. For reasons...

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by Leovinus
Wed Jun 23, 2021 5:28 pm
Forum: Civil Aviation
Topic: The Giant aircraft That Failed
Replies: 59
Views: 19499

Re: The Giants That Failed

Pan American ordered the Comet 3, which ended up not going into production. They placed an order for three aircraft with seven options in October 1952 at an estimated cost of US$6,300,000. Delivery was expected in 1956 for the first three, and the options were for 1957. Source is here - http://cont...

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by Leovinus
Wed Jun 23, 2021 6:29 am
Forum: Civil Aviation
Topic: The Giant aircraft That Failed
Replies: 59
Views: 19499

Re: The Giants That Failed

I understand that CAB regulation made airlines compete on schedule, and thus that they needed to be able to advertise the fast schedule times of the DC-7 and Super Constellation, but if I was running an airline in the 1950s, I would have been tempted to just keep the DC-6, skip the -7 or Super Conn...

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by Leovinus
Wed Jun 23, 2021 6:12 am
Forum: Military Aviation & Space Flight
Topic: Another Boeing-Airbus tanker war is coming soon, KC-Y
Replies: 220
Views: 20585

Re: Another Boeing-Airbus tanker war is coming soon, KC-Y

Thank you both for your replies. I certainly see the benefit to both. And like you kitplane01 I'm sceptical if drones, at least in these early stages, will allow for booms. But if drones frees the Air Force from parts of the Navy refuelling missions They can use their tanker fleet more flexibly I'd ...

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by Leovinus
Tue Jun 22, 2021 12:50 pm
Forum: Military Aviation & Space Flight
Topic: Stealth is very important
Replies: 56
Views: 5025

Re: Stealth is very important

I apologize I have to contradict you again. I think that you are bringing a valuable perspective to the discussion! Haha, thank you kindly. If I'll shift my focus a bit though. You seem more up to date with theatres of war and equipment use than I. I'll admit it's not something I generally follow. ...

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by Leovinus
Tue Jun 22, 2021 11:01 am
Forum: Military Aviation & Space Flight
Topic: Stealth is very important
Replies: 56
Views: 5025

Re: Stealth is very important

In my opinion, the usefulness of stealth technology in a symmetrical conflict is somewhat overrated I think you just helped me finish my thought process eloquently. What I'm trying to say is that any technology requires asymmetrical technological maturity (or usefulness) to prove valuable. Stealth ...

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by Leovinus
Tue Jun 22, 2021 8:21 am
Forum: Military Aviation & Space Flight
Topic: Another Boeing-Airbus tanker war is coming soon, KC-Y
Replies: 220
Views: 20585

Re: Another Boeing-Airbus tanker war is coming soon, KC-Y

kitplane01 wrote:
The drone uses a hose-and-droge system, not a boom as required by just about every USAF plane. And the conversion might not be easy at all.


So the fighter tanker mission isn't a big part of the current tanker fleets mission profile currently then?

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by Leovinus
Tue Jun 22, 2021 8:12 am
Forum: Military Aviation & Space Flight
Topic: Stealth is very important
Replies: 56
Views: 5025

Re: Stealth is very important

From what I read here, most people are focused on the advantages is stealth in aerial combat. However, the F35 and rafale are multirole aircrafts and one of their missions will be penetration if hostile airspace. Anti aircraft missile systems are dirt cheap and even non governmental organizations c...

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by Leovinus
Tue Jun 22, 2021 6:00 am
Forum: Military Aviation & Space Flight
Topic: Updated: Switzerland deciding to buy F-35A fighter jets
Replies: 349
Views: 52121

Re: Switzerland Restarting Fighter Competition

If this proves to be true (F-35 chosen), will there be the public outcry that Le Matin reported was in danger of occurring if a US jet were chosen? Blattman, a former chief of Swiss armed forces, already put his concerns to paper in a 9 page analysis today. He was obviously already informed about t...

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by Leovinus
Tue Jun 22, 2021 5:57 am
Forum: Military Aviation & Space Flight
Topic: Stealth is very important
Replies: 56
Views: 5025

Re: Stealth is very important

Aren't all of your points, and many more, true? Weapons development has always been a race to keep ahead of the technological edge of the enemy to gain an advantage. Sensors improve? Stealth materials science improves. Repeat. But there is hardly a 1 = 1 stealth and sensor race. Stealth is an asset ...

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by Leovinus
Tue Jun 22, 2021 5:33 am
Forum: Military Aviation & Space Flight
Topic: Another Boeing-Airbus tanker war is coming soon, KC-Y
Replies: 220
Views: 20585

Re: Another Boeing-Airbus tanker war is coming soon, KC-Y

A KC-787 would be nice. Would the composite frame have a lower radar signature? That being said, developing a KC-787 would require time and money. Boeing only have budget for the NMA. And though digital engineering can reduce the design time, certification and flight test will still be a slog. Unti...

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by Leovinus
Tue Jun 22, 2021 5:20 am
Forum: Civil Aviation
Topic: The Giant aircraft That Failed
Replies: 59
Views: 19499

Re: The Giants That Failed

Interestingly... could the the DC-7 / C-74 Globemaster for Pan Am be the first known “twin-aisle” cabin? At least in conceptual plans as show in the illustration. https://www.airlineratings.com/wp-content/uploads/uploads/IMG_0976.jpg This is quite an impressive innovation by Douglas Aircraft. The D...

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by Leovinus
Sun Jun 20, 2021 11:01 am
Forum: Military Aviation & Space Flight
Topic: Finland in talks for F-18 replacement
Replies: 211
Views: 72703

Re: Finland in talks for F-18 replacement

A comprehensive analysis of Finland's needs and how the candidates could satisfy them here: https://corporalfrisk.com/2021/05/02/stop-bafo-time/ A very interesting read. All in all I can only say that Finland has a good spread of options. Perhaps the best of any nation for quite some time as noted ...

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by Leovinus
Sun Jun 20, 2021 10:39 am
Forum: Civil Aviation
Topic: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?
Replies: 92
Views: 14292

Re: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?

Also, regarding the BOAC Mosquito services; somewhere I have a magazine that has a very comprehensive article about those services. I'm trying to find it. Ahead of that, I've looked in books I have that mention the ball-bearing run flights. Looks like I was wrong to say that passengers were rarely ...

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by Leovinus
Thu Jun 17, 2021 3:12 pm
Forum: Military Aviation & Space Flight
Topic: Another Boeing-Airbus tanker war is coming soon, KC-Y
Replies: 220
Views: 20585

Re: Another Boeing-Airbus tanker war is coming soon, KC-Y

The real question is if Boeing does stick with the 767, period (at this rate, 15 or so a year, it would be a guaranteed money loser), or moves to a 787 option, and at that point the question becomes one of engine providers. They have to be sick of losing money/continuous quarterly earning statement...

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by Leovinus
Thu Jun 17, 2021 3:00 pm
Forum: Civil Aviation
Topic: The Giant aircraft That Failed
Replies: 59
Views: 19499

Re: The Giants That Failed

Looking at the silhouettes in the original post, there are two large French designs about which I knew nothing: the SNCASE SN2010 Armagnac airliner and the SNCAC NC211 freighter. There are Wikipedia pages on them at https://en.wikipedia.org/wiki/SNCASE_Armagnac and https://en.wikipedia.org/wiki/SNC...

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by Leovinus
Thu Jun 17, 2021 11:29 am
Forum: Military Aviation & Space Flight
Topic: Another Boeing-Airbus tanker war is coming soon, KC-Y
Replies: 220
Views: 20585

Re: Another Boeing-Airbus tanker war is coming soon, KC-Y

Personally I have no stake in this nor a preferred outcome. But I think it's clear, historically, that international buys has been relegated to items of less visibility in the media. Why that is can be argued until the chickens come home. But it's a somewhat overarching pattern. So while the politic...

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by Leovinus
Thu Jun 17, 2021 6:12 am
Forum: Civil Aviation
Topic: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?
Replies: 92
Views: 14292

Re: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?

This is Winston Churchill's Commando , from Aircraft of the Royal Air Force 1918-1958 , by Owen Thetford. I finally broke down and got a Flickr account just for this post. https://live.staticflickr.com/65535/51245530883_bc9113a43c_b.jpg Thank you fo that! I didn't know his aircraft was one of the f...

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by Leovinus
Thu Jun 17, 2021 6:06 am
Forum: Civil Aviation
Topic: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?
Replies: 92
Views: 14292

Re: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?

As a preface to the topic I'd like to say hello. Just a thirty something aviation enthusiast joining your ranks from Sweden. Hello! Discussion ...the storied Brabazon committee made no recommendations for bomber derived stop-gaps. Instead focusing wholly on new ventures in order to let British airc...

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by Leovinus
Thu Jun 17, 2021 6:04 am
Forum: Civil Aviation
Topic: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?
Replies: 92
Views: 14292

Re: Passenger converted bomber aircraft in civilian service - Stories, facts, interiors?

A thread on the failed giants would be fascinating. They have always intrigued me. There was also the original DC-7, the civilian C-74 Globemaster. Was the Lockheed Republic a civilian version of the US Navy's Constitution? That was a plane that seemed to be underpowered, perhaps it could have done...

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by Leovinus
Wed Jun 16, 2021 6:08 am
Forum: Military Aviation & Space Flight
Topic: Chinese Y-20 transport finally flies with upgraded engines
Replies: 21
Views: 3677

Re: Chinese Y-20 transport finally flies with upgraded engines

While China is a nation that I'm wary of for political reasons and disagree with, I am still happy for their progress in fields like this. Good going China. I'm not at all surprised Antonov helps out. The design bureau is currently not producing much as ties with Russia have been severed for very na...

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by Leovinus
Tue Jun 15, 2021 4:25 pm
Forum: Civil Aviation
Topic: Steven Udvar-Hazy: 737 needs replacement
Replies: 144
Views: 16157

Re: Steven Udvar-Hazy: 737 needs replacement

..............................One that customers have been begging for over a decade. Car manufacturers have to do it all the time to stay within regulations and competitiveness. Prices go up. We accept it because we have to. If the international community put their money where their mouth is somet...

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by Leovinus
Tue Jun 15, 2021 6:32 am
Forum: Civil Aviation
Topic: Steven Udvar-Hazy: 737 needs replacement
Replies: 144
Views: 16157

Re: Steven Udvar-Hazy: 737 needs replacement

Boeing HAS to make the Max a winning program, it’s not just about restoring their good name but they need to buy time while new technologies mature, particularly engines This is going to be a few years, it would be senseless to start developing a clean sheet 737 replacement now without a step chang...

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