Reserve or extension tube for the bowthruster (Raboesch).
Bowthruster (Raboesch), with a tube of Ø 33 mm outside, voltage: 7,2 Volts. Equipped with two propellers. Minimum required installation space of the bowthruster is 50 mm. The loose, for extension referred nozzles are the…
Propeller shaft B+D M4, M4, 211 mm. For the exact dimensions open the attached images.