Search found 1454 matches

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by kitplane01
Sat Aug 01, 2020 2:56 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 19044

Re: T-7A Red Hawk News and Discussion Thread

Why would Australia buy a T-7 vs something like an M346? One can get an M346 now, and it comes in both Trainer and Attack versions. I assume an M346 costs less. I understand that a T-7 has better performance/cockpit, but the M346 is also an upgrade over the Hawk's they have now. I would guess an att...

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by kitplane01
Fri Jul 31, 2020 5:53 pm
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 19044

Re: T-7A Red Hawk News and Discussion Thread

I don't understand this. It should not be hard to mount a 4K camera on a Predator drone, and feed the video to a 180-degree-surround simulator like screen. This wold offer much *better* vision to the drone pilot than a manned aircraft pilot, since one can see straight down. (Yes, I know the F-35 pi...

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by kitplane01
Fri Jul 31, 2020 9:02 am
Forum: Military Aviation & Space Flight
Topic: F-35 vs F-18 Growler for Penetrating Air Defense
Replies: 13
Views: 1732

Re: F-35 vs F-18 Growler for Penetrating Air Defense

What I don't know (and I've looked extensively) was any figures on how good jamming is. You will never get that information as it is classified and would directly point to the effectiveness of the jamming from the aircraft. I don't understand this. We've been jamming for much longer than we've had ...

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by kitplane01
Fri Jul 31, 2020 8:43 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 19044

Re: T-7A Red Hawk News and Discussion Thread

The drone pilots are in a quiet room, with a second person, connected to all the relevant networks , with room to spread out maps and charts. It should be a good situation to make decisions. The key thing would be the network, and the lag (latency) it introduces. From the documentaries I've seen (i...

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by kitplane01
Fri Jul 31, 2020 8:42 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 19044

Re: T-7A Red Hawk News and Discussion Thread

Why do fighters have more situational awareness? The drone pilots are in a quiet room, with a second person, connected to all the relevant networks, with room to spread out maps and charts. I guess we are taking about two levels of drones. The first level is what we currently have where the drone i...

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by kitplane01
Wed Jul 22, 2020 4:31 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 19044

Re: T-7A Red Hawk News and Discussion Thread

Get to the fight quicker. Depends on how you think about it. One drone will get to the fight slower than a T-7, since a T-7 is faster. But suppose you could buy and operate 10 drones for the price of one T-7. Then the drone is on average 3.1 times closer (square root of 10). And it gets there faste...

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by kitplane01
Wed Jul 22, 2020 4:28 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 19044

Re: T-7A Red Hawk News and Discussion Thread

What can it do that a drone cannot do with more safety and *much* less cost? With the current fleet of drones, situation awareness is still not up to par with a pilot. Current drones can be shot down by low cost fighters. For foreign governments export control may limit advance drone purchase. bt I...

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by kitplane01
Wed Jul 22, 2020 4:20 am
Forum: Military Aviation & Space Flight
Topic: F-35 vs F-18 Growler for Penetrating Air Defense
Replies: 13
Views: 1732

Re: F-35 vs F-18 Growler for Penetrating Air Defense

Good point. I can be more specific. Let's suppose the US or France attack a large, technically capable peer. Something like Russia or China with S-400s and Su-35s and much more (even some P-18 low frequency radars, or pick something better). We want to win the air war and dominate the sky long term...

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by kitplane01
Wed Jul 22, 2020 4:07 am
Forum: Military Aviation & Space Flight
Topic: F-35 vs F-18 Growler for Penetrating Air Defense
Replies: 13
Views: 1732

Re: F-35 vs F-18 Growler for Penetrating Air Defense

The most interesting part was the radar detection zones were large for the 4th gen fighters, but small for the stealth fighters. What was unclear is this: would a radar trying to detect a 4th gen fighter while being jammed have a larger or smaller detection radius than an un-jammed stealth fighter?...

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by kitplane01
Tue Jul 21, 2020 4:40 am
Forum: Military Aviation & Space Flight
Topic: T-7A Red Hawk News and Discussion Thread
Replies: 112
Views: 19044

Re: T-7A Red Hawk News and Discussion Thread

Question about the concept of an attack T-7: What can it do that a drone cannot do with more safety and *much* less cost? Drop a bomb? Drones do that better. Take a picture. Drones do that better. Make a gun run. Yep, that's true. Get to the fight quicker. Depends on how you think about it. One dron...

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by kitplane01
Tue Jul 21, 2020 4:29 am
Forum: Military Aviation & Space Flight
Topic: F-35 vs F-18 Growler for Penetrating Air Defense
Replies: 13
Views: 1732

Re: F-35 vs F-18 Growler for Penetrating Air Defense

There is a whole field of science behind this. You first have to decide what you are going to be doing. Is it a short-term or one-off strike, like Libya in 1986? Is it for a long-term dominance, like Bekaa Valley in 1983 or Iraq in 1991? In the Libyan case, it wasn't necessary to physically destroy...

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by kitplane01
Tue Jul 21, 2020 4:15 am
Forum: Military Aviation & Space Flight
Topic: F-35 vs F-18 Growler for Penetrating Air Defense
Replies: 13
Views: 1732

Re: F-35 vs F-18 Growler for Penetrating Air Defense

One can imagine two ways to penetrate a modern air defense: stealth and jamming. Which works better? That's an obviously open-ended question. So how about an easier question: which can penetrate a modern air defense better .. A F-35 or an F-18E helped by an F-18 Growler? (I'm aware the right answer...

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by kitplane01
Sat Jul 18, 2020 4:54 am
Forum: Military Aviation & Space Flight
Topic: F-35 vs F-18 Growler for Penetrating Air Defense
Replies: 13
Views: 1732

F-35 vs F-18 Growler for Penetrating Air Defense

One can imagine two ways to penetrate a modern air defense: stealth and jamming. Which works better? That's an obviously open-ended question. So how about an easier question: which can penetrate a modern air defense better .. A F-35 or an F-18E helped by an F-18 Growler? (I'm aware the right answer ...

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by kitplane01
Wed Jul 01, 2020 4:24 am
Forum: Civil Aviation
Topic: Aircraft Values, And Lease Pricing - Winter 2020
Replies: 95
Views: 18989

Re: Aircraft Values, And Lease Pricing - Winter 2020

I know it's debated on another thread, but I can see this all heading into a government backed 'cash for clunkers'/'scrapage' scheme of sorts as its going to be the only way to clear the stored/underutilised aircraft while still keeping a flow of aircraft going out the doors of the manufacturers an...

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by kitplane01
Wed Jul 01, 2020 12:20 am
Forum: Technical/Operations
Topic: Two types of different surfaces for the same runway?
Replies: 19
Views: 3796

Re: Two types of different surfaces for the same runway?

Beaver Island Michigan has a runway. It's listed as 2500x30 feet. But no one uses 30 foot wide runways for commercial passenger service, so the keep the grass on either side of it useable. So in real life, it's a runway with asphalt down the middle 1/3 and grass down the outer 2/3rds. Also, 2500 foo...

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by kitplane01
Wed Jul 01, 2020 12:07 am
Forum: Technical/Operations
Topic: Mid Tandem Fan (Jet engine design)
Replies: 4
Views: 1923

Mid Tandem Fan (Jet engine design)

https://ars.els-cdn.com/content/image/1-s2.0-S0376042109000347-gr10.jpg Quoting from Wikipedia In the Mid Tandem Fan concept, a high specific flow single stage fan is located between the high pressure (HP) and low pressure (LP) compressors of a turbojet core. Only bypass air is allowed to pass thro...

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by kitplane01
Sun Jun 07, 2020 5:43 am
Forum: Technical/Operations
Topic: Supersonic Engine effeciency
Replies: 15
Views: 3184

Re: Supersonic Engine effeciency

I've never ever seen a speed normalizes SFC. Is that even a thing? If a jet engine accelerates from 200 mph to 400 mph should I expect it's SFC to halve? If it goes from 1 mph to 0 mph should it's SFC go to infinity? BTW, I totally get that work = thrust * speed. SFC stays (approximately*) constant...

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by kitplane01
Sat Jun 06, 2020 3:56 am
Forum: Technical/Operations
Topic: Supersonic Engine effeciency
Replies: 15
Views: 3184

Re: Supersonic Engine effeciency

How much have supersonic engines become more efficient over time? I'm thinking of supersonic commercial aircraft. Unlike fighters, such a plane would spend it's cruise in supersonic flight. Obviously subsonic jet engines have gained efficiency, but the single biggest improvement (increased bypass r...

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by kitplane01
Fri Jun 05, 2020 4:23 am
Forum: Technical/Operations
Topic: Supersonic Engine effeciency
Replies: 15
Views: 3184

Supersonic Engine effeciency

How much have supersonic engines become more efficient over time? I'm thinking of supersonic commercial aircraft. Unlike fighters, such a plane would spend it's cruise in supersonic flight. Obviously subsonic jet engines have gained efficiency, but the single biggest improvement (increased bypass ra...

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by kitplane01
Fri Jun 05, 2020 4:19 am
Forum: Civil Aviation
Topic: Aerion moves forward with supersonic AS2 for 2024, unveils new final design
Replies: 113
Views: 16981

Re: Aerion moves forward with supersonic AS2 for 2024, unveils new final design

There is a little more information out about the Affinity Engine today: https://www.flightglobal.com/engines/ge-refines-affinity-supersonic-engine-plans-for-2020-performance-tests/138508.article The engine is facinating. The two row fan is unique. https://en.m.wikipedia.org/wiki/General_Electric_Af...

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by kitplane01
Sat May 30, 2020 7:06 am
Forum: Civil Aviation
Topic: Development paths for new scope compliant aircraft.
Replies: 355
Views: 16667

Re: Development paths for new scope compliant aircraft.

Nothing is stopping the major carriers from operating whatever regional jet they want to operate. Nothing is stopping delta from going chapter 7 and starting delta 2. If your worries about routes than make your scope on routes. Scope on routes makes no sense, I'm not sure why you don't understand t...

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by kitplane01
Sat May 30, 2020 7:02 am
Forum: Civil Aviation
Topic: Development paths for new scope compliant aircraft.
Replies: 355
Views: 16667

Re: Development paths for new scope compliant aircraft.

Why the long range? I would think the vast majority of 76 seat routes are well under 1,000 miles, and the cost of lifting extra structure to gain the possible (but rarely needed) extra range would be not worth the benefit. Would you surmise that 98% of routes for 76 seaters are under 1000 miles? (I...

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by kitplane01
Fri May 29, 2020 6:12 am
Forum: Civil Aviation
Topic: Development paths for new scope compliant aircraft.
Replies: 355
Views: 16667

Re: Development paths for new scope compliant aircraft.

There are typically the scope limits of: 70 seats and 76,000 lb 76 seats and 86,000 lb There is also a lighter weight Japanese 70 seat scope (anyone have the weight? I'm going off memory). The 76 needs great efficiency (heavy engines) and a minimum range of 1500nm. The 70 seater needs a minimum ran...

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by kitplane01
Fri May 29, 2020 6:10 am
Forum: Civil Aviation
Topic: Development paths for new scope compliant aircraft.
Replies: 355
Views: 16667

Re: Development paths for new scope compliant aircraft.

Passport weighs 2,000# more PER engine, it’s a high altitude, Mach .90, low cycle design when a RJ needs a lightweight, low-ish altitude, M.78, high cycle engine. Try again. This is true for the Passport 20 the 20k lbf version, EASA certificate stated it weighs 2065,7kg (4554lb), and provides 79 - ...

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by kitplane01
Wed May 27, 2020 8:29 pm
Forum: Civil Aviation
Topic: Updated: AA is allowed to give hand sanitizer
Replies: 39
Views: 6142

Updated: AA is allowed to give hand sanitizer

American wanted permission to provide “personal use quantities of hand sanitizer gel and sanitizing wipes to customers prior to boarding and/or distributed during flight.” American Airlines held two separate meetings with FAA inspectors, from two separate FAA offices. As of yet, they still don't hav...

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by kitplane01
Tue Mar 10, 2020 3:29 am
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

Luckely the USAF has some KC-97L back up tankers, temporally stored at Davis-Monthan AFB, and certified for refueling of the A-10 fleet :biggrin: https://airrefuelingarchive.files.wordpress.com/2009/05/051128-f-1234p-025.jpg Copyright USAF Two Fairchild Republic A-10As refuel with a Boeing KC-97L S...

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by kitplane01
Sun Mar 08, 2020 6:54 am
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

We must have different life experiences. Where I'm from expecting the government (or any complex system run by humans) to follow common sense is a loser move. In particular, I would very much not be surprised if they lowered the boom to take some pictures of a troubled program that needed good pres...

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by kitplane01
Sun Mar 08, 2020 6:48 am
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

https://youtu.be/ttrsQbIRUJ0 The words from the article include "Chief of Staff Gen. David Goldfein told Senate legislators March 3 the service will not use the new KC-46 tanker unless absolutely necessary to fight a powerful adversary ... KC-46 is slated to be ready for operations in 2023 or ...

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by kitplane01
Sat Mar 07, 2020 5:57 pm
Forum: Military Aviation & Space Flight
Topic: FARA US Army Proposals Thread
Replies: 70
Views: 17683

Re: FARA US Army Proposals Thread

An interesting side issue around FARA is the T-901 engines are not in production yet, so the actual flying done to date is with T700's. Imagine what 50% more power does to performance. It just went thru the mockup being installed in an Apache to verify it can be maintained. But it does complicate t...

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by kitplane01
Sat Mar 07, 2020 5:53 pm
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

I totally concede that is a picture of a KC-46 flying. The caption is "A KC-46 Pegasus assigned to the 22nd Air Refueling Wing flies away after being refueled during a refueling training mission over Kansas, Jan. 6, 2020." That doesn't say they are carrying cargo, or refueling anyone else...

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by kitplane01
Fri Mar 06, 2020 10:06 pm
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

The truth is always more complicated than a press release. The KC-46 is currently flying refueling missions during training sorties throughout the United States and abroad. It has been since shortly after the AF accepted the first jet. What it cannot do is refuel without serious operational limitat...

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by kitplane01
Fri Mar 06, 2020 2:39 pm
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

I think you’re wrong about the facts. The Air Force has announced they will not fly the kc-46 for any refueling missions. It’s allowed to do zero refuelings. And it cannot carry any cargo. It can carry zero cargo. I agree they can train touch and goes, and cross country flights, but not much more. ...

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by kitplane01
Thu Mar 05, 2020 9:25 pm
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

Someone help me out. The KC-46 cannot refuel, and cannot carry cargo. What's the best argument for continuing to accept (and pay for) them. It seems crazy to me, but I assume somewhere someone smart decided this was the best plan. Why is it the best plan? I completely agree. Why not start parking t...

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by kitplane01
Thu Mar 05, 2020 9:24 pm
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

Stop with all the craziness. The Air Force is only paying what for the plane can do. The pallet issue has a fix and the vision issue only affect a certain flight condition when the sun angle hit the plane just so. In the mean time they can fly all the other missions. And the pilots still need to tr...

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by kitplane01
Thu Mar 05, 2020 5:26 am
Forum: Military Aviation & Space Flight
Topic: Cheapest AEW
Replies: 20
Views: 2427

Re: Cheapest AEW

Maybe the US Navy, Singapore or Japan might sell some of their used E2s. I assume the running costs of an E2 must be heart attack inducing. I doubt heart attack inducing. Your small bare bones nations isn’t running CATOBAR carrier ops and you could potentially SLEP an E-2 for an affordable number i...

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by kitplane01
Thu Mar 05, 2020 3:46 am
Forum: Military Aviation & Space Flight
Topic: Cheapest AEW
Replies: 20
Views: 2427

Re: Cheapest AEW

aschachter wrote:
ThePointblank wrote:
Or used E-2 Hawkeyes.



Maybe the US Navy, Singapore or Japan might sell some of their used E2s.


I assume the running costs of an E2 must be heart attack inducing.

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by kitplane01
Thu Mar 05, 2020 3:46 am
Forum: Military Aviation & Space Flight
Topic: Cheapest AEW
Replies: 20
Views: 2427

Re: Cheapest AEW

Depending on use case I'd look at a ballon based system. Long loiter time, no crew in the air, everything on the ground but the dish itself. That's about as cheap as you're going to get. Something like https://en.wikipedia.org/wiki/Tethered_Aerostat_Radar_System That's an interesting from-left-fiel...

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by kitplane01
Thu Mar 05, 2020 3:41 am
Forum: Military Aviation & Space Flight
Topic: FARA US Army Proposals Thread
Replies: 70
Views: 17683

Re: FARA US Army Proposals Thread

The US Army has tried to go after this FARA replacement program now 2 previous times (RAH-66 and with modified OH-58's). It's seeking an affordable, sustainable option moving forward. The blades on any of the designs are pretty far from 'conventional' a la 20 years ago. I don't think that's true AT...

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by kitplane01
Thu Mar 05, 2020 3:19 am
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

Someone help me out. The KC-46 cannot refuel, and cannot carry cargo. What's the best argument for continuing to accept (and pay for) them. It seems crazy to me, but I assume somewhere someone smart decided this was the best plan. Why is it the best plan?

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by kitplane01
Thu Feb 27, 2020 2:31 am
Forum: Civil Aviation
Topic: So how New is the 777X?
Replies: 157
Views: 18642

Re: So how New is the 777X?

I followed the A350 testing closely. Yesthey had to incorporate changes but they did keep pretty close to the initial time schedule. To think that the 777X won't have to incorporate changes during testing is clutching at straws. The MAX kept to their schedule but had to incorporate changes to MCAS....

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by kitplane01
Thu Feb 27, 2020 2:30 am
Forum: Civil Aviation
Topic: So how New is the 777X?
Replies: 157
Views: 18642

Re: So how New is the 777X?

So why did Boeing put the engines farther apart on the 777X? I believe this necessitated the bigger tail. Was this due to the wider wingspan? Or was it an Aero advantage or some other reason. With the same MTOW all things being equal would they not have been smarter to put them in the same place so...

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by kitplane01
Thu Feb 27, 2020 2:26 am
Forum: Aviation Hobby
Topic: Podcasts
Replies: 3
Views: 1206

Podcasts

Anyone know of some good military podcasts. The Fighter Pilot Podcast is good, anyone got another?

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by kitplane01
Thu Feb 27, 2020 2:23 am
Forum: Military Aviation & Space Flight
Topic: USAF budget reductions, less B-1s, A-10s, KC-135s, KC-10s, RQ-4s
Replies: 26
Views: 2510

Re: USAF budget reductions, less B-1s, A-10s, KC-135s, KC-10s, RQ-4s

The B-1's have been abused pretty heavily in the past decade, because it has an valuable niche as a fast, long-range bomber with a very heavy payload capacity. As such, the fleet is incredibly worn out from heavy usage. So maintenance costs have gone through the roof and the USAF doesn't want to fo...

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by kitplane01
Thu Feb 27, 2020 2:18 am
Forum: Military Aviation & Space Flight
Topic: Cheapest AEW
Replies: 20
Views: 2427

Re: Cheapest AEW

This isn’t an easy question to answer. Realistically you will solicit bidding, see how seriously contractors take you and weigh procurement cost with budget and baseline capability. To get a thorough answer, you’ll need to somehow join an actual government or military organization making this decis...

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by kitplane01
Tue Feb 25, 2020 3:08 am
Forum: Military Aviation & Space Flight
Topic: Cheapest AEW
Replies: 20
Views: 2427

Cheapest AEW

Suppose my new Air Force for my new small country wants to buy a few cheap AEW radar craft. I cannot afford an E-2. What can I get? Is there anything cheaper than the Saab Erieye? I'd like something actually in production and available for export to me. https://en.wikipedia.org/wiki/List_of_airborne...

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by kitplane01
Tue Feb 25, 2020 3:05 am
Forum: Military Aviation & Space Flight
Topic: Boeing KC-46 Production and Delivery Thread - 2020
Replies: 267
Views: 33229

Re: Boeing KC-46 Production and Delivery Thread - 2020

Cameras have an inherent flaw in the fast the lens needs to be mounted on the outside of the airplane and along the bottom and lower fuselage sides. These areas tend get dirty in flight, not to mention minor fluid leaks that run along the sides and bottom of the airplane. All airplanes eventually l...

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by kitplane01
Mon Feb 24, 2020 3:54 am
Forum: Civil Aviation
Topic: So how New is the 777X?
Replies: 157
Views: 18642

Re: So how New is the 777X?

https://www.seattletimes.com/business/b ... -777x-jet/
-->

The 777X vertical tail is now composite. Maybe lots did change ?!?!?

https://www.seattletimes.com/business/b ... -777x-jet/

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by kitplane01
Sun Feb 23, 2020 2:40 am
Forum: Civil Aviation
Topic: 777X vs A350 CASM
Replies: 259
Views: 27982

Re: 777X vs A350 CASM

I think that's very interesting. Is there any evidence that the 777X costs less (per seat or some other metric) that the A35K? On a fuel burn basis at shorter ranges around 3000nm there is no difference worth mentioning, it goes to about 1% to 7200 nm (779 design range), then after that the trend r...

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by kitplane01
Fri Feb 21, 2020 11:20 pm
Forum: Military Aviation & Space Flight
Topic: Electric tail rotors for military helicopters
Replies: 1
Views: 627

Electric tail rotors for military helicopters

https://d3lcr32v2pp4l1.cloudfront.net/Pictures/780xany/7/6/6/67766_bell429edat4_601786.jpg Picture this on an Apache, or a Blackhawk based on a small ship. Listed advantages * Can turn them off while on the ground, saving fuel and noise, and increasing safety * Redundancy, in case of failure or bat...

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by kitplane01
Fri Feb 21, 2020 11:18 pm
Forum: Technical/Operations
Topic: Electric tail rotors for the helicopter!!
Replies: 11
Views: 1567

Electric tail rotors for the helicopter!!

https://d3lcr32v2pp4l1.cloudfront.net/Pictures/780xany/7/6/6/67766_bell429edat4_601786.jpg Listed advantages * Can turn them off while on the ground, saving fuel and noise, and increasing safety * Redundancy, in case of failure or battle damage * Much quieter in the air * Fewer mechanical component...

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