Review by Martin E.

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Very special thanks to Martin Entwistle for supplying the following article for posting.  Editing was done to reformat the article to fit this website.

Graupner Shark

by 

Martin Entwistle 

The following is not a detailed review, I'll leave that to the experts,  but just some of the thoughts and problems I had to get the thing working and to answer some of the questions I've been asked. In the past I'd had a very borderline view on dynamic divers. However, one of the dynamic subs I had actually seen working well was the Graupner Shark and I had had a very interesting chat with the builder during a show.    

Here are some of the  factors that influenced my choice: 

  • It was small enough to carry without risking a hernia or back problems. I actually built a box that carries both the submarine and Tx, which fits under one arm. 

  • It was very maneuverable and did not need a massive area to operate in. I'd noticed that many of the larger static divers have very large turning circles and you often see models with the rudder enlarged by a piece of Perspex glued on. We have a fairly small lake. 

  • Cheaper than a Static Diver,  actually not by much in the end! 

  • Preparation for sailing was minimal. 

  • The only high tech additional equipment is a bicycle pump.

 

  
  Last Updated: 08/08/2008