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Old 03-10-23, 02:26 PM   #3286
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Yes a tip jet used like this. It is NOT a helicopter, not only..
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Old 03-10-23, 02:30 PM   #3287
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Tip jet for Fairey Rotodyne?
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Old 03-10-23, 02:45 PM   #3288
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Quote:
Originally Posted by Eichhörnchen View Post

Tip jet for Fairey Rotodyne?
We have a winner!

Yes it is a tipjet of the Fairey Rotodyne:







It used the tip jets for spinnning the rotor during start or landing vertically, and they were switched off during normal flight, the rotor being used as an autogiro while two powerful turboprop engines provided thrust during flying.

There were three pipes feeding air and fuel into the jets through the rotor blades, igniting the mixture within the tips provided thrust through the nozzles during vertical take-off and landing; it was not needed and shut off during flight.

The Rotodyne was a very reliable and successful design, with orders coming in internationally from airlines and military, then further funding was stopped and the project vanished in history.
(The US later came up with the Bell Boeing "Osprey" as a multi-versatile aircraft that combined helicopter and-fast-flight capabilities, but it keeps crashing now and then, and never was a real good design when you consider balance and ground effect.)
The Fairey Rotodyne was much more stable and faster, with less fuel consumption.
(I built one of those as an Airfix model )

Well done and deserved, over to Eichhörnchen
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Last edited by Catfish; 03-10-23 at 04:40 PM.
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Old 03-10-23, 03:28 PM   #3289
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A really good one and a real stinker

What a fascinating aircraft - I also built the Airfix kit as a kid and have three of them even now, in different historical boxings



What is this then?
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Old 03-10-23, 04:04 PM   #3290
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A microscopic picture of some creature

Markus
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Old 03-10-23, 06:20 PM   #3291
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^ Nope - see you tomorrow (I'm off to bed)
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Old 03-11-23, 12:58 AM   #3292
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Is it shown in more or less original size or is it enlarged/zoomed in?
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Old 03-11-23, 04:01 AM   #3293
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Fabric?
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Old 03-11-23, 04:15 AM   #3294
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@ Osty - this cropped image gives you a close-up picture of its surface - and is from a photo taken at a distance

@ Jim - no
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Old 03-11-23, 04:16 AM   #3295
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Surface of a planet?
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Old 03-11-23, 06:20 AM   #3296
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^ No, it's earth
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Old 03-11-23, 09:23 AM   #3297
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butbut earth is a planet

Some rock/landscape from afar?
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Old 03-11-23, 10:37 AM   #3298
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A giant religious statue?
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Old 03-11-23, 11:04 AM   #3299
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Quote:
Originally Posted by Catfish View Post
butbut earth is a planet

Some rock/landscape from afar?
butbut I didn't say it was planet Earth - I said it was earth

Anyway - it's not rock or landscape


@ Aktung - nope to that too
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Old 03-11-23, 11:09 AM   #3300
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is it an art work?
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