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    Old cruise / speed control
    by Mike Stoney ๐Ÿ‡จ๐Ÿ‡ญ ( Warrant Officer)
    ๐Ÿ“ฃ










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    11 Posts 10 Replies 4 Photos 15 Likes
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    Mike Stoney
    Warrant Officer
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡จ๐Ÿ‡ญ Switzerland
    Online: 2 days ago
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    hear hear!
    Thank you JB and you fellow writers for all your cool inputs, that really motivates me! you are great!
    Hobbyist greetings from Switzerland
    Michel-Claude
    if you don't ask, you won't get an answer!
    jbkiwi
    Fleet Admiral
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡ณ๐Ÿ‡ฟ New Zealand
    Online: 12 hours ago
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    Hi Michel-Claude, I recently used a new pair of those same Graupner shafts, which I bought as spares for my Commodore in 1978. I've modified the oilers with tubes, as they were too hard to use without making a mess. I have them fitted in my HSL and they run very smoothly for bushed shafts.

    JB
    2
    jbkiwi
    Fleet Admiral
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡ณ๐Ÿ‡ฟ New Zealand
    Online: 12 hours ago
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    Hi Roy, up till recently I was using my 70s Futaba FP-MCIIB ESC in one of my boats, with modified RX plug (old Futaba G to JR) and it was still running perfectly. Only changed it to a HobbyWing to save a bit of space, as the Futaba was twice the size, plus the extra wiring for the suppression module. All of my old 70s Futaba servos have been converted as well, and all work perfectly (although I don't use them now) (only thing I found was, they tend to center slightly off with the newer TXs, (FM, 2.4) but are still perfectly useable. One thing about the old servos is, they are almost silent, unlike the noisy ones these days. Old stuff was much better made I think, (before it was made in China)

    JB
    1
    jbkiwi
    Fleet Admiral
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡ณ๐Ÿ‡ฟ New Zealand
    Online: 12 hours ago
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    Nice find Michel-Claude, even has the original running gear !

    JB
    1
    Mike Stoney
    Warrant Officer
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡จ๐Ÿ‡ญ Switzerland
    Online: 2 days ago
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    Hello Roy!
    Thank you for your good explanations! I think you're right about the old electronics.
    I'll buy something new, so there are no pre-programmed problems. . . ๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š
    hobbyist greetings
    Michel-Cl.
    if you don't ask, you won't get an answer!
    roycv
    Midshipman
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 46 minutes ago
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    Hi the separate black item is a heat sink for a 2N.... series power transistor. These were typically rated 30 -50 watts. If anyone wants any I have lots of as new NPN power transistors similar to this one.
    However the heat sink is there because there is a 0.7 volts drop between the emitter to base junction of the transistor.

    May not seem much but with lets say 5 amps shared current between the 2 off Monoperm super electric motors, this gives a 3.5 watts 'wasted' heat which has to be dissipated by the black heat sink. When I say wasted this is battery power that will not get to the motor.

    Modern electronics have very little losses through heat and some esc's have no heat sinks on at all now. A few powerful ones have water cooling to get rid of heat.

    I read another thread on this posting about sorting out the electronics but this is 4 pin operation and if memory serves this was a centre tapped voltage system and just not worth converting. Best advice is to pass on the item as a bit of history and get new controllers.
    I see that the motors have Kardan couplings to the prop shaft, these are interesting as they expand to fit the gap, I do not think they are on sale anymore so take care with them. Boat looks in excellent order though.

    Nice to see the old kit! I do have some old stuff but I go out to sail my boats not exercise the electronics, we are in a fit and forget era now, so we can get on and enjoy the boaty bits!
    Regards
    Roy
    2
    Mike Stoney
    Warrant Officer
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡จ๐Ÿ‡ญ Switzerland
    Online: 2 days ago
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    Hello Doug,
    first I'll start an experiment with an electronic plate with connections to a multiplex. I am convinced that this is worth a test. Otherwise I will rely on a new technology as you mentioned.
    I'll get back to you, maybe with a black face after trying. . .
    ๐Ÿคฃ๐Ÿคฃ๐Ÿคฃ๐Ÿคฃ
    see you soon on this channel, greetings
    1
    if you don't ask, you won't get an answer!
    Mike Stoney
    Warrant Officer
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡จ๐Ÿ‡ญ Switzerland
    Online: 2 days ago
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    Hi โ€žStevegโ€œ,
    Thanks, somehow you always find something . . .
    Greets Michel-Cl.
    if you don't ask, you won't get an answer!
    RNinMunich
    Fleet Admiral
    ๐Ÿ“ Old cruise / speed control
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    Country: ๐Ÿ‡ฉ๐Ÿ‡ช Germany
    Online: 2 hours ago
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    Hi M-C,
    That's a really ancient Multiplex ESC with separate forward/reverse relay unit you have there.
    If you don't have the associated ancient Multiplex TX and RX to go with it I'm afraid you are up the proverbial creek without the necessary electronic paddle๐Ÿค”
    Send it to Colin for his vintage display and fit a modern ESC.
    Commodore looks in pretty good nick to me ๐Ÿ‘ Nice find.
    Cheers, Doug ๐Ÿ˜Ž
    2
    Young at heart ๐Ÿ˜‰ Slightly older in other places.๐Ÿ˜Š Cheers Doug
    Steveg171
    Petty Officer 1st Class
    ๐Ÿ“ Old cruise / speed control
    Flag
    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 3 days ago
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    Sorry, cannot help but just want to say that's a nice find !
    1
    Your gonna need a bigger boat !
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