Recent Content by Dale MacDonald

  1. Dale MacDonald
    Post

    Outboard motor skeg mounted foil?

    Mr. Efficiency, your concerns on more wetted area in the water are well founded and spot on. But the advantage of the Hydro-Shield is that there...
    Post by: Dale MacDonald, Jun 4, 2019 in forum: Hydrodynamics and Aerodynamics
  2. Dale MacDonald
    Post

    Outboard motor skeg mounted foil?

    We have had this question before, and all the engine manufacturers (Yamaha, Tohatsu and Suzuki most recently at the Miami Boat Show) have all...
    Post by: Dale MacDonald, Jun 4, 2019 in forum: Hydrodynamics and Aerodynamics
  3. Dale MacDonald
    Post

    Outboard motor skeg mounted foil?

    Ondarvr, thank you for the question. One of the leading sources of cavitation is due to damage to the leading edge of propellers resulting from...
    Post by: Dale MacDonald, Jun 3, 2019 in forum: Hydrodynamics and Aerodynamics
  4. Dale MacDonald
    Post

    Outboard motor skeg mounted foil?

    Appreciate your reply, and agree that the cav/vent plate systems are widely used. The Hydro-Shield is a patented skeg mounted hydrofoil which...
    Post by: Dale MacDonald, Jun 2, 2019 in forum: Hydrodynamics and Aerodynamics
  5. Dale MacDonald
    Post

    Outboard motor skeg mounted foil?

    Toolate, I saw your thread and wanted to respond regarding the Hydro-Shield, the skeg mounted hydro-foil you had a picture of. We have more...
    Post by: Dale MacDonald, Jun 2, 2019 in forum: Hydrodynamics and Aerodynamics