enter image description here

sorry for the terrible quality, it's what I've got. I've not been able to find anything looking like it using google image search. It looks too detailed for a random bit of clip art.

Possibly around 12-15 feet long by 2-3 feet diameter

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    $\begingroup$ where have you found that image? in what context? $\endgroup$ – Federico Dec 16 '20 at 11:47
  • $\begingroup$ it's an image that was pasted into a line drawing of an experimental apparatus. Bits of it may have been modified @Federico I'd be interested to know where the image originally came from too. $\endgroup$ – JCRM Dec 16 '20 at 11:51
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    $\begingroup$ looks more like a generic "this is a jet engine" picture than anything indicating a specific model. $\endgroup$ – jwenting Dec 17 '20 at 14:37
  • $\begingroup$ that could well be @jwenting, it just looked like a few too many McGuffins - although they're quite tame by real engine standards. $\endgroup$ – JCRM Dec 17 '20 at 16:27
  • $\begingroup$ You'll need looking at Jane's, they publish yearly about aircraft engines, or in the work by Ricard Miguel Vidal: 'El motor de aviación de la A la Z', free and open access for AEHS members. Salut + $\endgroup$ – Urquiola Dec 24 '20 at 16:23

I think it's a fairly good match for the Rolls Royce F405 Ardour. I can't quite work out which version though....

Thanks to everyone who spent time looking.

Rolls Royce F405 Ardour

here's an afterburner and nozzle for a variant:



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