phillee Feb 22, 2017:

Body tube http://www.aerotech-rocketry.com/products2.aspx

Bernd Runge Feb 22, 2017:

body tube seems to be the term of choice ;-)
https://www.grc.nasa.gov/www/k-12/rocket/rktparts.html

aykon (asker) Feb 22, 2017:

body tube maybe?

aykon (asker) Feb 22, 2017:

the guy is building a model rocket and is describing what he has to do. the term doesn't appear anywhere else. i guess it's just the tube that makes the shape of the rocket fuselage but it need an exact translation.

Ronald van Riet Feb 22, 2017:

some more context please?