HYDRODYNAMIC EQUILIBRIUM CONDITIONS FOR AG (EH) MAIN STRUCT- POD-FOIL SYSTEM USING FLAP INCIDENCE CONTROL

The power requirements for hydrofoil craft control systems has been a subject of recent concern as the U.S. Navy considers larger and larger craft. Four hydrofoil configurations were investigated theoretically to determine power requirements to control a hydrofoil ship similar to the AG(EH) in a random sea, and a pivoted foil with leading-edge tab was found to consume the least power. To determine whether this configuration would actually consume the least power, a 1/12-scale model was examined for equilibrium flap/foil angle conditions ("stable flying situations") of the fully-wetted case. A passive control system comprised of mechanical linkages was used with the model to obtain steady-flow, fully-wetted conditions. The results of this experiment are discussed.

  • Corporate Authors:

    David Taylor Naval Ship R&D Center

    Ship Performance Department
    Bethesda, MD  USA  20084
  • Authors:
    • Coder, D W
    • Wisler Jr, B B
  • Publication Date: 1976-6

Media Info

  • Pagination: 41 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00142808
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: SPD-332-03
  • Files: TRIS
  • Created Date: Dec 15 1976 12:00AM