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    Forum
    Age of steam
    Kitchen rudder but on a Midwest boat you may have to use very small servos.Or you can look for a variable
    pitch propeller
    which are expensive. I have one of those boat that I made in the late 80's. The engine was made of white metal/zinc, had to make a new one, I used the sterno to fuel but what I did was to build up steam first put the fire out reload with sterno and I got between 25 to 30 minute runs, These are great boats!
    6 months ago by RonH
    Forum
    Magnetic motors
    Hi Martin, "This type of motor would be good if you could control the speed." Since the motor uses permanent magnets on both stator and rotor the speed will also be permanent and unalterable, as both magnetic fields are constant. To alter the speed of the vessel (or go astern!) you would need to alter the pitch of the prop and hence the thrust. 'Variable
    pitch propeller
    s!' This is the operating principle of constant speed turbo-prop aero engines for example. VP props are also used on many ships these days. Needs some intricate gearing built into the prop hub, and controlled by !? πŸ€” Control shaft running inside a hollow prop shaft? Don't know of any model versions on the market so if you find one, or come up with a way to DIY one I'd be MOST interested.πŸ˜‰ A constant speed version driving a generator might be useful thoughπŸ‘ IF it has enough torque. Might work with a decent gearbox? Cheers, Doug 😎
    9 months ago by RNinMunich


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