Pompe à vis

[rempageable]

tu visses et ça pompe ?? et ben...Y a pas la version 'tu pompes et ça visse ??

[hiddenangel89]

You actually dont need the gears at the end... the screw design makes all the job! ;)

[QBMan]

@hiddenangel89 yeah but maybe with too much loses?

[TomLocura]

@hiddenangel89 Actually you do need the gears in this setup being both screws are identical, ive made a similar design like this before and the screws jam up without them ;-)

[roaming2]

Looks like a testla pressurized engine.