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Recent content by DaffyDuck

  1. DaffyDuck

    Piping autorouter

    Worked on PDMS for 10 years now, never seen the auto router in operation. I believe it takes a long time to set up all the corridors etc for the program to run, you then have to sort it out afterwards. I think it basically routes pipe racks. In my opinion, if you have a good, fast, experienced...
  2. DaffyDuck

    Piping with CAD

    If your budget is not limited, the ultimate user friendly piping system is PDMS (Plant Design Management System). It's not cheap, but is very very good both graphically and from a design and review point (Clients and managers love it as they can easily understand what they are looking at)...
  3. DaffyDuck

    aerodynamic coeffcients.......

    hi! im working with a autopilot (small uav) and need to calculate Ixx, Iyy, Izz etc. and all the aerodynamic coefficients (incl. the derrivates). does anybody know were i can find these values for a full scale modern glider (or a RC version)???????? so far i have used a vortex lattice prog...

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