Azimut Atlantic Challenger

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  • vvviivvv
    Fast Electric Addict!
    • May 2009
    • 1078

    #1

    Azimut Atlantic Challenger

    So, since im getting back into the hobby, might as well get my original boat back operational.

    I converted it to Brushless a few years back and burnt out the jet drive gear belt. these are impossible to find anymore so the boat never ran again....


    Anyway, I ran it on Feiago 8XL's with my AS26-150 controllers...

    My plan is to run it direct, I believe the impeller is 30mm I've done some searching and found some images of others that have been converted... I'd like to make a better job.

    I think I'll try the 8XL's on 4s cheapo batteries for now with the AS26-150 and just be gentle with the throttle.

    My question is, does anybody know of a flat motor mount that's fairly tall? the impeller shaft is 40mm high,
    I'd like a tall version of this https://www.offshoreelectrics.com/pr...od=ose-80080-c

    Plan B; Install 2 'runners' - carbon square tube and mount the motor mount onto of this.


    Will need some couplings... and it to line up perfectly, I've seen some people using rubber couplings maybe this is a good idea...?
    Attached Files
    Hpr 06 / 09 / 150 /185, Mhz Skater H45 hydro.
    Uk SAW record holder
  • Stillwet
    Senior Member
    • Jul 2018
    • 241

    #2
    very sleek boat, was this a kit you built? can i ski behind it?

    Comment

    • vvviivvv
      Fast Electric Addict!
      • May 2009
      • 1078

      #3
      Yeah, didn’t realise at the time actually how involved it would be....

      It really is quite a pleasant thing on the water, fairly nimble on the water for its size
      Hpr 06 / 09 / 150 /185, Mhz Skater H45 hydro.
      Uk SAW record holder

      Comment

      • larryrose11
        Senior Member
        • Jun 2010
        • 757

        #4
        Why don't you just make the vertical part of the motor mount yourself? I did. I made it out of aluminum, works great.
        you could use the same motor mount plate.
        here is a pic of the one I made
        https://forums.offshoreelectrics.com...9&d=1408979222
        Cheetah, Super Rio, (Mod) Starship (Mod and sold),

        Comment

        • Alfa Spirit
          Fast Electric Addict!
          • Oct 2009
          • 2131

          #5
          The Graupner Azimuth Challenger is a beautiful boat, do you know the stock setup ?

          Motors were 800BB Turbo, if you know the stock setup and the retio of the belt drive it' s easy to find the components for your Azimoth Challenger.

          This link is very interesting : https://www.modelisme.com/forum/navi...lenger-33.html


          Comment

          • Alfa Spirit
            Fast Electric Addict!
            • Oct 2009
            • 2131

            #6
            Stickers :

            High-quality vinyl stickers, printed on a transparent vinyl with a digital printer. All colors have a white undercoat so they cover well on dark surfaces. The colors are UV-light resistent. The decals ...

            Comment

            • vvviivvv
              Fast Electric Addict!
              • May 2009
              • 1078

              #7
              Hi Larry, thank you for the link, it was a concern of mine running a direct shaft I thought vibrations would be too much,

              Does anybody know if this is a custom setup or can I find soemthing like this online?

              And Alfa, I ran mine on 700BB turbo, this is a picture of my original setup from. a longggg time ago and a 12v Lead acid battery!!!!

              I guess if the date on the camera is correct... I've had the boat going on 13/14 years now... not looking too shabby!
              Attached Files
              Hpr 06 / 09 / 150 /185, Mhz Skater H45 hydro.
              Uk SAW record holder

              Comment

              • vvviivvv
                Fast Electric Addict!
                • May 2009
                • 1078

                #8
                Following on with upgrade in propulsion, I really don't want to drill holes for water cooling, so im thinking about running a gas fuel tank and a water pump for internal cooling...

                The boat has plenty of space inside and weight really isn't a issue, I'm not going for speed records, last time it ran with the jet drives I used it without cooling, AS26-150BL / Feiago 8XL and both motor and ESC ran cool without any cooling,

                Now im running 'direct drive' and want to use some large capacity packs for longer run time I think an internal water-cooling system may be beneficial.
                Hpr 06 / 09 / 150 /185, Mhz Skater H45 hydro.
                Uk SAW record holder

                Comment

                • vvviivvv
                  Fast Electric Addict!
                  • May 2009
                  • 1078

                  #9
                  Also for those with more experience,

                  Would these work as a coupler? https://www.cornwallmodelboats.co.uk....html#SID=2238

                  I need 5mm to 5mm and something flexible to reduce vibrations.
                  Hpr 06 / 09 / 150 /185, Mhz Skater H45 hydro.
                  Uk SAW record holder

                  Comment

                  • StevenBryant
                    Senior Member
                    • Nov 2012
                    • 359

                    #10
                    Originally posted by vvviivvv
                    Also for those with more experience,

                    Would these work as a coupler? https://www.cornwallmodelboats.co.uk....html#SID=2238

                    I need 5mm to 5mm and something flexible to reduce vibrations.
                    Nope, they are very weak and will sheer easily.


                    Sent from my iPad using Tapatalk

                    Comment

                    • vvviivvv
                      Fast Electric Addict!
                      • May 2009
                      • 1078

                      #11
                      Okey,

                      Any ideas on what to use, I need to connect 2 5mm shafts... and somehow not shake the boat to bits
                      Hpr 06 / 09 / 150 /185, Mhz Skater H45 hydro.
                      Uk SAW record holder

                      Comment

                      • Peter A
                        Fast Electric Addict!
                        • Sep 2012
                        • 1486

                        #12
                        Can I suggest for coupling motors to the shafts that you put a hex coupler on both the jet unit shafts and the motors and use a piece of flex in between, .150 or .187. That will sort the problem with vibration and a strong enough coupling system. You can get the couplers from OSE here.
                        BTW, I wouldn't be shy about fitting a cooling system, if you can tap into the jet units then you will have plenty of cooling water, you can even take water from the bottom of the intake and feed it back in further up. Drilling and fitting a couple of outlets in the transom would be fine and hardly noticeable.
                        NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
                        2016 SUHA Q Sport Hydro Hi Points Champion.
                        BOPMPBC Open Mono, Open Electric Champion.

                        Comment

                        • StevenBryant
                          Senior Member
                          • Nov 2012
                          • 359

                          #13
                          I run a jet drive and do t have an issue with direct solid connection.


                          Sent from my iPhone using Tapatalk

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                          • vvviivvv
                            Fast Electric Addict!
                            • May 2009
                            • 1078

                            #14
                            Hi peter I did contemplate that, if it was only say 2” long I wouldn’t need any stuffing tube support would I?

                            I’m quite entertained about having an internal cooling system, if it doesn’t work, I have all the piping and all I have to do is take the tank out and drill some holes...

                            Like I say it’s a big hull plenty of space and designed around having a 12v lead acid battery in it...

                            Steve, I don’t think I’d ever get it to line up perfectly so think it would vibrate / do some damage...
                            Hpr 06 / 09 / 150 /185, Mhz Skater H45 hydro.
                            Uk SAW record holder

                            Comment

                            • StevenBryant
                              Senior Member
                              • Nov 2012
                              • 359

                              #15
                              Originally posted by vvviivvv
                              Hi peter I did contemplate that, if it was only say 2” long I wouldn’t need any stuffing tube support would I?

                              I’m quite entertained about having an internal cooling system, if it doesn’t work, I have all the piping and all I have to do is take the tank out and drill some holes...

                              Like I say it’s a big hull plenty of space and designed around having a 12v lead acid battery in it...

                              Steve, I don’t think I’d ever get it to line up perfectly so think it would vibrate / do some damage...
                              Ok I understand, the short flexi is your best option or a cv joint with dog bones.


                              Sent from my iPad using Tapatalk

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