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  1. grayocean

    # of Zincs on 6061 Al boat

    Working on an aluminum boat. Need to know how much zinc to put on. What current density should I use for calculation? 5- ? -30 (mA/m^2) Boat will be sand blasted and painted with Proline polyurethane paint. Will be in salt water. Any sources would be useful. thanks, lucas
  2. grayocean

    Marine growth on Gold plated surface

    I need a surface that will be in the splash zone, in a saltwater environment, and to have as little marine growth as possible. What is the Best option regardless of cost? NiCu....Gold? Does anyone have data for marine growth on gold surfaces. They say gold bars pulled from the bottom of the...
  3. grayocean

    DPDT switch for Solenoid

    I'm trying to make a circuit that is hooked up to a single button and a solenoid. Press the button and the circuit fires a solenoid the left, press it again and it fires the solenoid to the right, press it again and it fires the solenoid to the left, hit the button again and the solenoid fires...

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