Jet Engine that works

[KWILParticipant @kwil]

I see from "The Engineer" magazine that General Electric engineers have 3D printed a working model gas turbine which has run to 33K rpm, which is just above the normal self sustaining rpm for a model turbine. No info on the fuel used.

[KWILParticipant @kwil]

[JasonBModerator @jasonb]

Video here, bet they did not use a Rep Rap for that

[Roderick JenkinsParticipant @roderickjenkins93242]

EOS M290, latest model to the 270 quoted (I assume) costs $700,000. That is installed but doesn't include the inert gas supplies needed! The Chinese are going to have to work pretty hard to bring that price down to be part of Ketan's stock.

Would be nice though .

Rod

[JasonBModerator @jasonb]

I'm sure John Stevo can bodge something up with his laser and an old forklift motor

[HomeUseParticipant @homeuse]

? I thought the Video (JasobB) seems to be laser cutting rather than printing ? – Am I missing something

[JasonBModerator @jasonb]

The laser melts a thin layer of the alloy in powdered form, next pass melts another layer that sticks to the first and so on

[VicParticipant @vic]

I'd be interested to see if it lasts as long as other model aircraft turbines seen at all the shows over the ten years.

[Ketan SwaliParticipant @ketanswali79440]

Posted by Roderick Jenkins on 14/05/2015 17:30:49:

EOS M290, latest model to the 270 quoted (I assume) costs $700,000. That is installed but doesn't include the inert gas supplies needed! The Chinese are going to have to work pretty hard to bring that price down to be part of Ketan's stock.

Would be nice though .

Rod

You are absolutely right.

[Neil WyattModerator @neilwyatt]

It seems you need a 200W Yb laser and laser cutting CNC machines of that power are about $30K… so perhaps it might not take as long as we might think.

Neil

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