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  1. #1

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    Saginaw lake freighter

    Beginning construction on a scratch built 1/72 scale lake freighter. The goal is to make this ship fully operational.


    Posted a couple of pictures in my gallery. Can't seem to upload them on the thread.

  2. #2

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    RE: Saginaw lake freighter

    would love to see pictures of this build

  3. #3

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    RE: Saginaw lake freighter

    I tried posting pictures here, but ran into some kind of technical problem. If you go to my profile, I was able to upload a couple of pictures to my gallery.

  4. #4

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    RE: Saginaw lake freighter

    Hi All

    Here's some pictures of my laker



    Dave U
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  5. #5

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    RE: Saginaw lake freighter

    How long is your ship? The one I'm building will be 106" long and 12" wide.

  6. #6

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    RE: Saginaw lake freighter

    Hi

    My Ship 7 feet 3inches longand 12 inches wide.and built out of fiber glassgoing to have 10 gear boxes to run the water pumps and auger and run the boom.
    any more info I can think of I will let you ok It's a scale model of Algoma Captain Henry Jackman
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  7. #7

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    RE: Saginaw lake freighter

    Sounds fantastic! I've got pictures that I took of Algosoo up at Duluth earlier this year. I'm planning to use Arduino micro controllers to handle the self unloader operation. Thinking about using an ultrasonic range sensor to activate the fog horn when another boat or duck crosses in front of the ship. I'm guessing a year or two before mine is operational.

  8. #8

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    RE: Saginaw lake freighter

    I am planning to use an Arduino micro controllers as wellto run radar and bow thruster and other things.


  9. #9

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    RE: Saginaw lake freighter

    Are you building to 1/96 scale?

  10. #10

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    RE: Saginaw lake freighter

    I think it's 1/100

  11. #11

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    RE: Saginaw lake freighter

    both are very nice thanks for sharing Keep us posted on the build as it goes along

  12. #12

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    RE: Saginaw lake freighter

    So, here's a question for everyone. My Great Laker is 106" long, 12" wide, and has a single 4 blade screw. I'm planning on using a 4 blade 3" prop that I already have on hand. I'm hoping to use a "Battlers Connection gear drive", two motors into one shaft. I'm planning on using two 550 motors at 12 volts. Do you think this would be enough to drive the ship at scale speeds? I'm thinking that when the ship is at the water line, she'll be over 200lbs, possibly 300 lbs (I'm planning on having ballast tanks to add weight to the ship in the water). Looking for all thoughts and opinions on this. Thanks!!

  13. #13
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    RE: Saginaw lake freighter

    You could build a test stern nothing fancy no need to sand, only paint it, just a couple quick coats of primer, no rudder needed. Mount your motor gear box and propeller like it would be in your model. Then you can run it in your test tank. You only need to do this for a few seconds. just long enough to get an accurate current measurement. The whole idea is to simulate the prop load to find out if your motors are drawing to much current.

    If you're motors are pulling the same or nearly same current that the manufacturer quotes for max efficiency then you're good. Less is ok, that would let the motors run cooler. If its higher you need to gear down more or get a smaller prop.

    Or if do not have an amp meter, just run it for 60 seconds then stop. Gently and briefly touch the motor case. If it's cool enough to hold your finger on it then the motor is not too hot.

    When you do this test the more accurate the shape of the motor test platform, or stern the better. Also the depth of prop in the water.

    Doing this now will let you evaluate your drive line choices before mounting it in the full size model. Unless you have a test tank big enough to hold the full size model?

    You do realize too that even with a perfect drive line the model will take a while to accelerate to scale speed. And also it will take a while to stop.

    Sounds like a fun project. Good luck!
    John KaBang

  14. #14

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    RE: Saginaw lake freighter

    Thanks!! That is a great idea!! I currently use a setup like this to power a 40 lbs, 6ft long model of the Bismarck. Definitely have to give it a little time to build up speed and stop.

  15. #15

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    RE: Saginaw lake freighter



    Hi All

    My plan is to use two gear boxes on a controlable pitch prop I'm working on as we speak
    The reason for two gear boxes is simple HI GEAR and Low gear I beleive the the ESC will do the speed control for me.
    With the pitch being controled I think that should get her up to speed without burning out an motor

    Well it looks good on paper but if it works? I will let you know


                                                               Have a good Day
                                                                         Dave U


  16. #16

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    RE: Saginaw lake freighter

    A few pictures of my progress on the Saginaw.
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  17. #17

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    RE: Saginaw lake freighter

    Hi Aircoffee

    I just want to let know abt a new type of micro controller it's called Raspbarry Pi
    it offers more an the Arduino check it out let me know what you think Later
    Dave U


    P.S Pictures are the sea trials last summer
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  18. #18

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    RE: Saginaw lake freighter

    According to boatnerd the Saginaw is in your back yard.

  19. #19

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    RE: Saginaw lake freighter

    Hi


    Yes it is It's unloading right now I hope it gets out of the harbour later before the winds starts up

    Have a good one
    Dave U

  20. #20

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    RE: Saginaw lake freighter

    Been working on the unloading conveyor.  Too cold to work in the garage.

  21. #21

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    RE: Saginaw lake freighter

    The work on the Saginaw continues. Got the hull "rough" built and installed the bow thruster.

  22. #22
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    RE: Saginaw lake freighter

    Really a cool project, its been awhile since its popped up, but it is just as much fun to watch it come along as I had imagined it would be.

  23. #23

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    RE: Saginaw lake freighter

    Hey Foodstick,

    You just might get to see this in person some day. My daughter is planning on going to Iowa State next year and your only a 3 hour drive away. I'll try to post a couple of pictures tonight.

  24. #24
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    RE: Saginaw lake freighter

    Heck I am just 20 miles south of , ISU.

    Let me know if you are going to be in the area, maybe I can get my friend to show you his three garden ponds with the working lock and dam, and remote control 1/150 th scale drag line and barge loading facilities

  25. #25

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    RE: Saginaw lake freighter

    Ok, let's see if I can upload some pictures of the Saginaw. The prop that is on the ship is a 2" prop. I will be replacing that with a 4 blade 3" prop.I put a strip of aluminum along the keel for added strength and the rudder shaft will go through the aluminum.I'm getting ready to cover the whole ship in one layer of fiberglass to seal everything.
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