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Author Topic: Quest: Guess what is depicted here  (Read 633037 times)

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SAS~Storebror

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Re: Quest: Guess what is depicted here
« Reply #12 on: September 01, 2015, 12:20:28 PM »

Yak-3UA Replica with a P&W R-1830 Radial, hence the Hamilton Standard prop, you don't see those often on original soviet warplanes :P
Absolutely right and thanks for the picture.
It's called "Yak-3UPW" and indeed is a Yak-3U repowered by an R-1830 radial engine.

Well done.

Next quest, what's this? (Precise answer please, click to enlarge):



Best regards - Mike
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Full Metal Jacket

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Re: Quest: Guess what is depicted here
« Reply #13 on: September 01, 2015, 12:28:46 PM »

what we see here is a Turbojet engine, what we are looking at here is the first stage compressor, do note the stator vanes in between the rotor vanes, and also evident by the damage to the rotor blades, it might have suffered from FOD damage in the way of sand, small rocks or dust, OR its and old engine and thats the Alluminium corroding, what make it is however, i do not know, too little to go by
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fightingirish

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Re: Quest: Guess what is depicted here
« Reply #14 on: September 01, 2015, 12:41:27 PM »

I think even Sherlock would struggle with this one......any chance of another clue??
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SAS~Storebror

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Re: Quest: Guess what is depicted here
« Reply #15 on: September 01, 2015, 01:13:58 PM »

any chance of another clue??
Not yet.
Thom already tried to get close to it, that's a good way.
It is possible to rule out a couple of engine types by taking a close look on this one, that should get you closer.

Best regards - Mike
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Ont_R

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Re: Quest: Guess what is depicted here
« Reply #16 on: September 01, 2015, 06:32:33 PM »

Rolls Royce Spey possibly
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Full Metal Jacket

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Re: Quest: Guess what is depicted here
« Reply #17 on: September 02, 2015, 02:09:05 AM »

a good shot but i don't think thats it, the intake guide vanes on the Spey are ofset on the central hub:
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SAS~Storebror

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Re: Quest: Guess what is depicted here
« Reply #18 on: September 02, 2015, 02:27:50 AM »

The Spey is pretty close, albeit not correct.
Actually the engine in question exists in different versions, the more common ones have offset stator vanes on first stage as well. They (the offset vanes) had been developed during the lifetime of the engine in question and became a registered patent of the manufacturer.

I must admit that the quest is hard.
If there's no one guessing the right type, I'll give another hint later today.

Best regards - Mike
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Re: Quest: Guess what is depicted here
« Reply #19 on: September 02, 2015, 03:38:13 AM »

i'm starting to suspect an RR Avon actually
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SAS~Storebror

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Re: Quest: Guess what is depicted here
« Reply #20 on: September 02, 2015, 03:54:21 AM »

RR Olympus?
No, take a closer look at Olympus LP compressors and you will see they differ by dimensions.

i'm starting to suspect an RR Avon actually
No, same thing: Very different first stage actors.

Time for some hint.
Same engine, different part (no larger size available):


Best regards - Mike
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Ont_R

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Re: Quest: Guess what is depicted here
« Reply #21 on: September 02, 2015, 04:21:07 AM »

Rolls Royce Conway??
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Full Metal Jacket

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Re: Quest: Guess what is depicted here
« Reply #22 on: September 02, 2015, 04:49:01 AM »

aye, we have a winner!



this is the very same engine
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SAS~Storebror

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Re: Quest: Guess what is depicted here
« Reply #23 on: September 02, 2015, 04:52:02 AM »

Bingo! Well done Ont_R!

Here is another, more prominent view of the same stunning early jet engine (click for full size):



Time for the next quest, this time it shall be a little easier.
Guess the plane (click for full size):



Best regards - Mike
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While love lives, while suns set, while snowmoons rise in november skies
While ties bind, while souls cry, while oceans ride in an endless tide
While love grows, while blood flows, while truth is real you need never feel alone.
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