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  1. T

    The efficiency of electric propulsion

    The comparison is for total energy use and I did not try to compare it with any specific outboard. The numbers represent the actual amount of energy I need to move my boat. It includes all the energy losses in the motors, props etc. If you want a comparison to a regular outboard, here is an...
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    The efficiency of electric propulsion

    As a scientist I like to collect data and play with numbers. Now that I have data from two electric boats (a 26 ft St. Pierre dory and my new C-Dory 22 cruiser) I want to share some comparisons between electric and gas. At 5mph my C-Dory uses 1600 watts (going with a tide of about 1/2mph) to...
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    carpeting or slicks for bunk boards?

    What is the best covering for bunk boards on a trailer? Is it carpeting or HDPE slicks? My new trailer that came with my new C-Dory has carpeting, but I would like to know what other folks prefer. The little research I did on the web suggests carpeting is better for fiberglass bottoms because...
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    New trailer

    P.S. If you buy it from NMI they can set it up to exactly match you boat so you won't need to make all the necessary adjustments that come with buying a new trailer. Also they prefer bunks and carpeting. That is what they set up for me.
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    New trailer

    I suggest contacting Michael Millison at NMI. They provide E-Z loader trailers for their new C-Dories and can help you figure out what you need (as well as potentially selling you a new one). I just bought a new boat and trailer from them and thought their price for the trailer was reasonable.
  6. starboard side set up for cruising

    starboard side set up for cruising

    starboard side set up for cruising
  7. helm seat on starboard berth

    helm seat on starboard berth

    helm seat on starboard berth
  8. adding a berth platform on starboard side

    adding a berth platform on starboard side

    adding a berth platform on starboard side
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    Are theere issues with the pictures now 1:30 est 5/21/24

    I am still having trouble accessing the anyone's pictures. Is there something I need to do at this end to reset my computer? Thanks
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    Are theere issues with the pictures now 1:30 est 5/21/24

    Yes, I have also been having problems with the pictures in the album. All I get is a square with the legend, but no pictures. This has been a problem for the last three days I have tried to access my pictures.
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    first sea trials of electric C-Dory 22

    It was quite windy and the wind was "boxing" the compass from W to SSW and back, so I could not collect more detailed data. This often happens in Budd Inlet in Olympia WA because of the land. The data I graphed was in a strong chop with the wind coming at the boat between 10 and 12 on a...
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    first sea trials of electric C-Dory 22

    I finally got all the wires hooked up correctly and was able to take our new C-Dory 22 cruiser for its first run. I was windy in Budd Inlet (15-20 mph) but we were still able to get good data on performance. At 5mph we were using 1600 watts, so at that speed I would have a range of about 45-50...
  13. power vs. speed

    power vs. speed

    power vs. speed
  14. first cruise

    first cruise

    first cruise
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    electric C-Dory 22 under construction

    The motors I have are 3kW each. They do however, look the same as the 6 kW models since they have the same motor cowling. Based on my calculations and experience with my St. Pierre Dories I believe I only need about 6 kW to reach hull speed. However, I usually cruise at about 5mph and to get...
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    electric C-Dory 22 under construction

    NMI has now finished my C-Dory 22 cruiser and we installed the electric outboards today. I posted two pictures in my photo album (Tom Hruby). The next step is to take the boat to King Marine Canvas in Seattle to have the camper top installed.
  17. mounting the electric outboards 2

    mounting the electric outboards 2

    mounting the electric outboards 2
  18. mounting the electric outboards 1

    mounting the electric outboards 1

    mounting the electric outboards 1
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    electric C-Dory 22 under construction

    Thanks for all the suggestions for names. However, I have decided to stick with WATT NOW. That is still my favorite. My new C-dory 22 cruiser will be finished next week and I will post the data on performance as soon as I get it into the water. However, that will probably not be until...
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    Boarding assistance for limited mobility

    Yes the Garelick steps are an option, and I even considered them for our boat. I think they are still available on Amazon. My one issue with them, however, is that the steps are too narrow and one has to climb down them backwards. Turing around on the deck is difficult for those with mobility...
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