Tuesday, August 17, 2010

Pieces of the electric motor puzzle

We've now received all the parts we need to assemble the electric motor system. Electric Yachts sent us the 10kW electric motor and controller system. Lorne from Genco has obtained the deep cycle batteries from Odyssey. The charge controller has been semi-custom made for us by Analytic a supplier of heavy duty and advanced charge control systems. Lorne has also supplied all of the heavy duty wiring for the 48 Volt battery system.

Our plans from this point are as follows:

Remaining internal wiring work - Lorne:
1. 2 x GFI for AC, wiring done, just need to put in to GFI outlets
2. DC panel installation, fixture for galley, electrical to fridge (test if it works)
3. House batteries - we've agreed to buy one additional Deep Cycle Lead Acid battery approx. $130.
4. Battery boxes installed, existing house battery location. - we've agreed to buy 2 battery boxes for approx. $30 each for house batteries (use one of the existing Nautilus plus new Deep Cycle)
5. Bonding / Grounding - complete a few more connections to metal through hull connections
6. (NEW) Automatic bilge pump reconnection and switch to exit through exhaust system through hull.


Electric Motor Install:
1. Paint motor compartment with bilge paint (prepare by sandpapering area) - Ian Wilson
2. Transfer batteries and motor kit to boat by Monday evening, August 16, 4pm. - Ian/Ianito/Claire/John
3. Electric motor battery box assembly and battery box custom made. Receive charge controller for motor batteries. Design and schematics. Current hours documented. Remaining hours and completion dates. Monday August 16. - Lorne
4. Battery box materials. Plywood - 3/4 inch (marine grade mahogany), bolts, washers, hinges, threaded rods, primer waterproofing paint, etc. from Home Depot. Wed. Aug. 17- Lorne
5. Build battery box at Port Credit site. Wed. Aug. 18 - Lorne
6. Install electric motor. Battery box where fuel tank was. 4 Odyssey batteries in series connection for 48 volt system. Electric motor on electric motor mount. Aug 19/20. - Lorne
7. Figure out shifter/binnacle removal and replacement with electric motor throttle system. - Lorne

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Once we pull the boat out for this season.

1. Review motor mount leakage issue. Is it resolved once the electric motor is installed? Reinforce area that is of concern.
2. Review exterior hull scuffs and issues. Determine what repairs/painting/cleaning is required.
3. Prepare batteries for storage with full charge. Consider a solar panel to keep charged.


Before launch for next season:


1. Lighting and radio cable for mast.
2. Switch to a fixed propeller optimized for charging boat batteries when sailing.
3. Rolling furler.
4. Depth, windspeed/direction, GPS installations.
5. Radio for nav station/desk.
6. Review fridge requirements.
7. Determine solar panel (4 x 40 watt) setup and installation, Bimini design.


NOTES:
1. Both charge controllers will be installed in the storage closet near motor. House battery system charge control system is already installed there on the left side. Analytic charge controller for electric motor batteries will be installed on the right side of the storage compartment. All done to minimize chances of these ever getting wet.
2. Keep an eye on the leak near motor mount.

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