This is a tug-model made by André. We pulled it with a little boat on the Weser to appoint waveform and required machine power.

Here you can see André and Ingo while doing a testdrive on the Weser with the tug-model.

An RC-Model made by Christian.

The second RC-Model made by Christian.

Mario's RC-Model on periscope depth.

Mario's model on full power.
Clearly to see: The waveform
Other fantastic models of Mario can be seen here.

On this picture you can see commentaries, pasted to describe the technic of a submarine model. To see: Mario's model.

Christian's & Mario's models.
Clear to see: The different scales.

Picture of a 3D computer model generated by Peter.