Perfect hull for Graupner Mini Jet Drive?

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  • lomdel
    Senior Member
    • Nov 2008
    • 708
    #1

    Perfect hull for Graupner Mini Jet Drive?

    What would be the perfect sub 29" deep vee, flat ride pad hull to install a brushless powered Graupner mini Jet drive (the one here one OSE) unit in? Would the Rio Roses be suitable?
    What is the rule of thumb for revs for Jet drives? I use 30k rpm for surface prop calculations...
    Tags: None
    • Diegoboy
      Administrator
      • Mar 2007
      • 7244
      #2
      Rio Roses doesn't have a perpendicular transom to the bottom. This will require a great deal of modding to get the jet drive installed properly. I used the Pro Boat formula Fastech hull. It too is not perpendicular, the bottom has a slight angle to it. It took some finesse to get it installed I have also used the Pro Boat SW26. It was very easy & fun to do. Since the SW26 is ABS, it's easy to cut the hull, lighter, and faster running with a jet. There is already a thread here w/ video of that build (same drive)
      Last edited by Diegoboy; 04-27-2009, 11:57 AM.
      "A quick temper will make a fool of you soon enough."
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bruce Lee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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        • Diegoboy
          Administrator
          • Mar 2007
          • 7244
          #3
          Here's the thread.
          "A quick temper will make a fool of you soon enough."
          . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bruce Lee. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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