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propshafts

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  • 4 October 2017 at 11:33 #73450
    Jim Masson 1
    Participant
      @jimmasson1

      Just browsing propshafts and notice that Raboesch have a range of 'maintenance free' shafts. Any one got comments on these.

      To me that description suggests that once fitted you can forget them. However I read an article in a back issue where the writer fitted one of these shafts and stated he had to make the rudder mount removeable as the shaft has to be removed rearwards to prevent the threaded end damaging the seal. This seems to suggest he was expecting he would have to carry out some work.

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      4 October 2017 at 11:33 #2722
      Jim Masson 1
      Participant
        @jimmasson1
        4 October 2017 at 14:05 #73451
        Dave Milbourn
        Participant
          @davemilbourn48782

          Jim

          I've no experience of these particular shafts BUT I can say that you often find the need to remove and replace a shaft in its tube several times during the building of the model. If you can get at the tiller arm and release the rudder easily then that is no real problem, but always plan for the worst scenario while hoping for the best!

          Dave M

          4 October 2017 at 14:05 #73452
          Chris Fellows
          Participant
            @chrisfellows72943

            That's what I'm planning on using. The bearings are supposed to be self-lubricating by the material used for the top one and by water for the bottom one.

            Intention was to avoid all the faff over lubricating and what to use i.e. oil or grease, mixture of both etc.

             

            Edit: Hi Dave, nice boat you've got there!

            Chris

            Edited By Chris Fellows on 04/10/2017 14:07:45

            4 October 2017 at 17:28 #73455
            Jim Masson 1
            Participant
              @jimmasson1

              Thanks gents, Like the idea of not having to faff around with lubricants. There does seem to be countless different opinions on the best stuff to use. Also agree with "plan for the worst, hope for the best" Not been working on any models for a bit due to health problems but I'll keep that in mind when I do get round to my next model.

              Jim

              4 October 2017 at 17:46 #73456
              Colin Bishop
              Moderator
                @colinbishop34627

                If you have a twin screw model then the usual practice is to slightly offset the rudders from the shafts to allow the shafts to be withdrawn. You could probably do this on a single screw boat without it being very noticeable given that the shaft will only be 2 to 3mm diameter. It wouldn't have any effect on performance.

                Colin

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