Primarily for general aviation discussion, but other aviation topics are also welcome.
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By Sooty25
#1884346
Press are suggesting water depth is "about a mile". (5280ft) Absolutely no problem! Give me a cheque book, some slings and a drawing of lifting points, I'll go get it.

That's well within the range of loads of commercial ROV's.
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By Lockhaven
#1884371
Sooty25 wrote:Press are suggesting water depth is "about a mile". (5280ft) Absolutely no problem! Give me a cheque book, some slings and a drawing of lifting points, I'll go get it.

That's well within the range of loads of commercial ROV's.


The Danish company SMIT salvage lifted the Kursk which weighed a few thousand tons to get it of the seabed without to many issues so an F35 should be fairly straight forward with remote vehicles.

There was this Skyhawk helicopter lifted from 3 miles down in 2020.

https://www.stripes.com/theaters/asia_p ... a-1.667459

Or they could do the way they did in the seventies and just drag it up like this F14 Tomcat :lol:

http://fly.historicwings.com/2012/09/tomcat-deep/
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By Sooty25
#1884394
Lockhaven wrote:
Or they could do the way they did in the seventies and just drag it up like this F14 Tomcat :lol:

http://fly.historicwings.com/2012/09/tomcat-deep/


hadn't seen that before, I'll watch the video later. :thumleft:

Thinking about the technology available now, finding and getting hold of the F14 would be much easier now, although wave height would still cause the same issues with lifting, even with heave compensated cranes.

20 years ago when I gave up working on ROV's, even the little subs I specialised in were rated to 1000m.
Image

That's about 1mtr long and weights 150kg. In calmer surface conditions, I reckon I could have got the F14's missile back with that. I'd certainly have bet my day rate on it!

The next model up that I worked on occasionally was 2000mtr rated. F35 depth.
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By PeteSpencer
FLYER Club Member  FLYER Club Member
#1884447
I'm still amazed that they can't find it, though I guess it could have 'flown', or rather 'glided' anywhere as a result of 'aerodynamic'/'water dynamic' forces.

As a kid I used to fit rubber-powered rotating props to Airfix kits which 'flew' very realistically in the bath.

My Stuka was particularly good.

(wings etc of course needed drilling to prevent floating..... :wink: )
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By T6Harvard
FLYER Club Member  FLYER Club Member
#1884471
PeteSpencer wrote:I'm still amazed that they can't find it, though I guess it could have 'flown', or rather 'glided' anywhere as a result of 'aerodynamic'/'water dynamic' forces.

As a kid I used to fit rubber-powered rotating props to Airfix kits which 'flew' very realistically in the bath.

My Stuka was particularly good.

(wings etc of course needed drilling to prevent floating..... :wink: )


Ah, those were the days..... when one could sit in the bath and there'd still be room to play :lol:
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By T6Harvard
FLYER Club Member  FLYER Club Member
#1884490
lobstaboy wrote:
T6Harvard wrote:.. when one could sit in the bath and there'd still be room to play :lol:


Careful ma'am! You'll start a thread drift of double entendres...


I know it doesn't take much with you lot ...

(There, you go, double entendre intended :mrgreen: )
#1884510
gaznav wrote:The interesting thing about the F35B STOVL is that it has an auto-eject capability enabled for the Mk 16 bang seat. If the lift fan starts to wind down, that is running from the rotation of the main engine, then the aircraft will quickly pitch about its axis - so there are certain parameters that will fire the seat automatically.

A unique feature of the US16E is the trio of airbags that inflate in a two-stage process to protect the head and neck of the F-35 pilot, wearing the large helmet-mounted display, upon ejection. Also of note, the F-35B version of the Lightning II has an auto-eject mode. This is designed to function in the specific instance where the STOVL aircraft is in the hover, and the shaft-driven lift fan fails.

In that case, the jet is likely to pitch down sharply, quicker than the pilot can react to fire the seat manually. It will therefore fire automatically while the possibility of escape remains.


I do hope that this system didn’t throw out the WAFU Pilot and throw away an otherwise perfectly serviceable jet? :shock:


Latest chit chat is not an engine intake cover but possibly a fan intake cover on top of the fuselage that was not seen which would cause a reduction in fan lift possibly throwing out the WAFU with the auto-eject system.
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By Rob P
#1885434
Lockhaven wrote:Latest chit chat is not an engine intake cover but possibly a fan intake cover on top of the fuselage that was not seen


No tea, no biscuits I would guess?

Rob P