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Author Topic: Aviation Pictures: The Fourth Generation  (Read 27341 times)

ANS Kamas P81

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Re: Aviation Pictures: The Fourth Generation
« Reply #1020 on: 14 July 2019, 21:57:14 »
There's also the +P-hop test that took the life of a test pilot, in a test to determine the recoverability from a situation.  Except the Chey had already anticipated this and put in safety systems to prevent the rotor blades from getting into the cockpit...so the testers decided to disable those safety systems and run their test.

The equivalent is removing the seatbelt, airbag, and brakes from a car, then being utterly shocked that you kill the driver when you slam it into a bridge at high speed.

There were also changing desires in Army procurement and future warfare concepts.  Instead of what was basically a wickedly fast helicopter that could function somewhat like a light plane in its operations, with all kinds of mixed CAS operation possible (seriously look at that gun list) the decision was made to go with something that was a pure tankbuster to deal with Soviet armor.  Thus, we got the AH-64.

PsihoKekec

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Re: Aviation Pictures: The Fourth Generation
« Reply #1021 on: 15 July 2019, 01:14:48 »
The fact that AH-1 was already in use also didn't help the program to survive.
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ANS Kamas P81

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Re: Aviation Pictures: The Fourth Generation
« Reply #1022 on: 15 July 2019, 08:53:06 »
Amusingly, the single-engine complaint leveled against Cheyenne was never made against Cobra, and it didn't get its second turbine until 1972 - well after the cancellation.

I love combination design helicopters, I love the pusherprop system and what it could do to control the aircraft, and the sheer amount of firepower and speed that Cheyenne had (as well as the Gunstar's own actual gunner's station, watch it spin around someday) really made it an effective program.  It was stealthy to the guys on the ground too - not radar, but sound envelope; during observation tests the AH-56 was able to zoom up on the post at extreme low altitude at high speed.  She wasn't noticed until it was virtually overhead and well after it'd have fired on its target.

It was probably the perfect CAS bird, able to respond fast to a situation, carry a LOT of firepower, and get in those early shots.  Once the strategic plan and needs changed, pull-type CAS became less of a thing and tank-hunting from cover was the new way to go about it.  So Cheyenne was pushed off the board, and something new was done.

Still, it's a shame gyrodynes never took off, even in the civilian market.  Much higher speeds, more fuel, more capacity...well maybe now they'll get their chance.

Or maybe we'll fly this.

Empyrus

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Re: Aviation Pictures: The Fourth Generation
« Reply #1023 on: 15 July 2019, 15:50:27 »
Still, it's a shame gyrodynes never took off, even in the civilian market.  Much higher speeds, more fuel, more capacity...well maybe now they'll get their chance.


What's the drawback? I mean, there must be one since they're not used. Technically more complex?

snewsom2997

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Re: Aviation Pictures: The Fourth Generation
« Reply #1024 on: 15 July 2019, 16:46:18 »
Complexity is all I can imagine, unless they have some inherently unstable flight characteristics. It isn't like you have extra transmissions, or anything, you are just changing the angle of the tail rotor or putting it in the front instead. Cannot be any more complicated than the V-22.

ANS Kamas P81

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Re: Aviation Pictures: The Fourth Generation
« Reply #1025 on: 15 July 2019, 18:36:09 »
I suppose there'd be big legal questions about them - with the wing structures involved that actually do provide lift at speed, are they counted as fixed-wing aircraft or rotary-wing aircraft?  Or a whole new third class that needs its own certifications, training, regulations, and so on? 

beachhead1985

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Re: Aviation Pictures: The Fourth Generation
« Reply #1026 on: 15 July 2019, 20:18:44 »
Looking at Wikipedia, technical issues, outdated systems, large size, and lack of survivability, as it had only a single engine.
And a demonstration where a TOW missile failed (despite being only one of over a hundred firings).

Rule 4 stuff too.
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hoosierhick

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Re: Aviation Pictures: The Fourth Generation
« Reply #1027 on: 15 July 2019, 20:53:35 »
What's the drawback? I mean, there must be one since they're not used. Technically more complex?

Well...being really extremely bloody loud fuel hogs didn't help any.

Feenix74

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Re: Aviation Pictures: The Fourth Generation
« Reply #1028 on: 15 July 2019, 21:37:23 »
The future Armed Reconnaissance Helicopter?

Hopefully the link and the video in the news story works for non-Australian based readers

https://www.abc.net.au/news/2019-07-15/french-inventor-wows-bastille-day-crowds-with-flyboard/11308980
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MoneyLovinOgre4Hire

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Re: Aviation Pictures: The Fourth Generation
« Reply #1029 on: 16 July 2019, 00:28:38 »
Ten minutes of flight time?  Isn't that about the same as most every other jetpack or hover device?

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HobbesHurlbut

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Re: Aviation Pictures: The Fourth Generation
« Reply #1030 on: 16 July 2019, 12:21:20 »
Ten minutes of flight time?  Isn't that about the same as most every other jetpack or hover device?
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Dave Talley

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Re: Aviation Pictures: The Fourth Generation
« Reply #1031 on: 16 July 2019, 16:12:22 »
whats that gonna take?
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Daryk

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Re: Aviation Pictures: The Fourth Generation
« Reply #1032 on: 16 July 2019, 16:14:08 »
I'm pretty sure he uses petrochemical fuel... it's hard to beat that energy density.

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MoneyLovinOgre4Hire

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Re: Aviation Pictures: The Fourth Generation
« Reply #1034 on: Today at 19:11:07 »
You're not supposed to link to active eBay auctions.

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Re: Aviation Pictures: The Fourth Generation
« Reply #1035 on: Today at 20:59:17 »
And a link behind spoiler tags is still a posted link. C:-)
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