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Type: Posts; User: LtDoc

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  1. Replies
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    RE: Recovering boats with R/C boats

    There are probably as many methods of retrieving boats as there are people doing it. The only thing that really matters is that which ever method you decide to use (or methods), keep it fairly...
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    RE: boat transporter

    Motorize it!
    - 'Doc
    ;)
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    RE: Spektrum SR300 antenna mod?

    FWIW

    I have used a Spektrum radio system for some time, have had no problems with it (DX-6). I have heard/read where many people seem to have had problems with the DX-3 system. I think that's...
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    RE: eeekks ... hope this don't happen!!

    I'm sure there are 'secrets' about using any brand of paint. Those 'secrets' are probably brand specific at least to some degree. I haven't had any problems using 'Krylon' paint that haven't been...
  5. Thread: tranmitters

    by LtDoc
    Replies
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    528

    RE: tranmitters

    rcgreenhornet,
    Hey, that's fine. But there are a lot of us who do use 'AM' on water with no more problems than any other mode. 'AM' is prone to more ~possible~ interference than other modes, but...
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    RE: GPS guided boat

    jlcro,
    Several ways of going about that, none of them all that simple, easy, or cheap. One method is a complete 'on-board' set up. Another is a two way set up, an 'APRS' and remote control...
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    2,321

    RE: Jolly Jay fishing boat

    I'm probably misunderstanding you so tell me something. Do you really plan to 'fish' with this boat, or is the winch/etc. just for 'show'?
    - 'Doc
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    874

    RE: stuffing box question

    That pretty well covers that 'fill tube' thingy. One common alternative is to pull the drive shaft, grease the tube, then replace the drive shaft. Clean up any mess caused by that drive shaft...
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    RE: New to the R/C world - Need motor help!!

    joe32725,
    From the sound of it, the ESC is the problem, not the motor. (ESC = Electronic Speed Control) Since there doesn't appear to be a rudder, that ESC also contols direction by varying the...
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    1,071

    RE: Spektrum ????????

    dicko,
    I agree with you till you get to the part about Spektrum's DSM not being advisable for use on water because of signal reflections. You get those same signal reflection on land too. I've...
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    1,071

    RE: Spektrum ????????

    madphil,
    'Spektum' is the brand name of one of the 2.4 Ghz radio systems (the first one I think). Not a 'class' or 'style' of radio, just the manufacturer. All manufacturers have their own 'way'...
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    1,765

    RE: Are AM radios adequate for marine RC use?

    'AM' systems have been used successfully for years. They are not 'fool-proof', there can be complications. First suggestion that comes to mind is to try it and see. Finding someone who has the...
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    757

    RE: Navigation Module

    There are quite a number of 'possible' solutions to getting a boat back to -a- bank. Getting it back to a specific point on -a- bank complicates things by several orders of magnitude.
    If this...
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    757

    RE: Navigation Module

    While I hope your GPS idea does work, I'm afraid that the typical R/C'er might find that it isn't too practical for use. Cost is one of those 'impractical' things, something in the neighborhood of...
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    757

    RE: Navigation Module

    The idea isn't new for full sized boats, but for R/C sized boats it certainly would be. Biggest problem is miniaturizing the whole thing, not to mention financing it. I think that 100 - 150 Pound...
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    RE: Friends scratch built tug boat...

    Looks like he did a pretty nice job of scratch building. If it looks like a boat, and acts reasonably like a boat, then it's good. If it isn't easily recognized as some particular boat, then 'they'...
  17. RE: General Servo Control Questions (and some more advanced Q's)

    On those square wave pulses sent to the motor. I think you'll find that it isn't the length of the pulse, but the number of pulses that does the controlling. Equal length pulses at a variable rate....
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    RE: Ace Nautical Commander

    No one will have much/any information about this system. Basically cuz' there isn't such a thing yet, still in the 'development' stage (since 2005, as 'Toes' said). Nice picture though, isn't it?
    ...
  19. RE: Designing program to maximize pressure across sail

    Well, RATS!
    That was supposed to be 'cheap-n-lazy', not 'cheat-n-lazy'. I changed it. Should'a read the dang thing before now. Sorry 'bout that.
    - 'Doc
  20. RE: Designing program to maximize pressure across sail

    Sounds like you have an ambitious project! Especially with R/C sailboats as the test beds. I can think of several other characteristics to measure besides 'pressure' on the sail and amount of...
  21. Thread: plastic boat?

    by LtDoc
    Replies
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    634

    RE: plastic boat?

    Does it matter if the thing is plastic? Not really, there are a lot of plastic R/C boats around. Can you convert it to R/C? That's a definite maybe! Just depends on how much room you have inside...
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    RE: fm boat radio and kill switch?

    The simplest 'kill' switch I can think of is a servo and a valve in the fuel line. The valve in a normally closed position, the servo having to be activated to open it. Loss of signal means a dead...
  23. Thread: Scratch build

    by LtDoc
    Replies
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    880

    RE: Scratch build

    Slowglow,
    Certainly sounds like a workable plan to me. Depending on the size of the boat, that ply sheeting may be a little 'much'. And then it also depends on how much fiberglassing you plan to...
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    RE: Airtronics M11 DSS 2.4 GHz Radio System

    Harold,
    I think you may probably know that UHF stuff works just fine 'over' water, does terrible 'through' water. Keeping that in mind, most of the 2.4 Ghz systems are great for any R/C stuff...
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    RE: Water Temperature, does it matter?

    You ready for this??

    If YOU can stand to be out in whatever the temperature is (without major preparation), your boat will probably stand it too (without major preparation). MY boats have never...
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