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  1. Retro

    Augmented Rocket Design

    Augmented rocket based on hobby Aerotech motors for primary stream. 38mm reloadable solid fuel rocket motors I-285 and J825. Plan to install diffuser aft of primary nozzle ahead of constant duct. I need a formula to determine diffuser inlet diameter, constant duct diameter, and convergent...
  2. Retro

    Garrett Turbo-E Generator Application

    Would like to implement installation of a Garrett turbo electric generator. I only want to utilize generator function to assist alternator not interested in compressing intake. Any company make a turbine electric generator without compressor? Want to use the turbo exhaust generator to run...
  3. Retro

    Inlet Diffuser Effects

    Looking for formulas to calculate the inlet diffuser efficiency. Given the inlet cross section area and diffuser exit cross section area including the temp, velocity, and density of the free stream what would the results be at the diffuser exit? How much does the velocity decrease? How much do...
  4. Retro

    High Angle Attack Airfoil

    Looking for a subsonic cambered airfoil that has good lift at up to 15-20 degree angle of attack without stalling. Switch blade wings for use with delta lifting body. Need to enhance lift during lift-off, landings and subsonic glide.

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