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3 comments
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Engineering360: "Video: Rocket Lab Successfully Reaches Space with a 3-D Printed Engine"

05/26/2017 4:01 PM

Read Engineering360 article: Video: Rocket Lab Successfully Reaches Space with a 3-D Printed Engine.
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Julian Grodzicky
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Join Date: Feb 2017
Location: Sydney, Australia
Posts: 26
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#1

Re: Video: Rocket Lab Successfully Reaches Space with a 3-D Printed Engine

05/27/2017 11:05 PM

Congratulations to the Rocket Labs team!
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TrevorM
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Join Date: Jun 2009
Location: Australia
Posts: 277
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#2

Re: Video: Rocket Lab Successfully Reaches Space with a 3-D Printed Engine

05/27/2017 11:11 PM

Fantastic to see, BUT, is there a mistake in the article?

It seems to me that "nine Rutherford engines burning at a lift-off thrust of 160 newtons" sounds too low when compared to the image in the photo and to "what is normal for rocket specifications". Should it have been kN, and was that for each motor?
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Julian Grodzicky
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Join Date: Feb 2017
Location: Sydney, Australia
Posts: 26
Good Answers: 1
#3
In reply to #2

Re: Video: Rocket Lab Successfully Reaches Space with a 3-D Printed Engine

05/27/2017 11:38 PM

You're correct. Thanks for spotting that.

https://rocketlabusa.com/electron/

The figure for the first stage of nine Rutherford engines is given as 162 kN, 192 kN peak.
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