Best brushless motor and esc for 1/8 Hydro

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  • BAZCNG
    Member
    • Dec 2013
    • 61

    #1

    Best brushless motor and esc for 1/8 Hydro

    In my next project I am going to build an 1/8 electric hydro. I am open for suggestion on the best motor esc combination for this.
  • RaceMechaniX
    Fast Electric Addict!
    • Sep 2007
    • 2821

    #2
    Are you intending to race this within a particular organization? Some has specific rules for motor and batteries which limit what you can select.
    Tyler Garrard
    NAMBA 639/IMPBA 20525
    T-Hydro @ 142.94mph former WR

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    • BAZCNG
      Member
      • Dec 2013
      • 61

      #3
      I have been recommended a TP-5840 inrunner 7Y 850KV and a aquacraft 240 esc.

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      • Fluid
        Fast and Furious
        • Apr 2007
        • 8012

        #4
        I assume you will not be formally racing this hydro but instead doing some fun running. What voltage do you plan to use? What hull? What are your speed and run time expectations? Your budget? To fully enjoy a model of this size you will need a fairly large pond which is not too windy or rough.


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        • BAZCNG
          Member
          • Dec 2013
          • 61

          #5
          I have every intention of racing .It will be on 100 mts coarse and flat water. The person that recomended that set up racing a lot. He is a Kiwi like me and has raced in the stated

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          • RaceMechaniX
            Fast Electric Addict!
            • Sep 2007
            • 2821

            #6
            Do the Kiwi's have the same rules as the Aussie's? 1P only?

            TG
            Tyler Garrard
            NAMBA 639/IMPBA 20525
            T-Hydro @ 142.94mph former WR

            Comment

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

              #7
              Hi Barry
              I plan to build a 1/8 to compete in Suha (NZ) racing next year. Mostly they run 10s setups here and NEU motors are popular, but I have a more limited budget so a TP power motor will probably be a goer. I have a couple of smaller TPs and they go well. The aquacraft 240A should be ok, or perhaps a swordfish 240A. At the end of the day your budget and prferences are what will determine the choice. Cheaper motors etc have been run in the past with success, but like with any boat the setup, prop, etc will all be important factors in how well it runs. Your current direction however should get you racing/ having fun. You can always upgrade in a year or two.
              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.

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

                #8
                Check out




                for rules.

                @Tyler, we can run 2P but most run 1P, maybe more of a budget/room/weight thing.
                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.

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                • flraptor07
                  Fast Electric Addict!
                  • Aug 2013
                  • 2451

                  #9
                  I've got two 1/8th Sport Hydros both have Swordfish 240 Pro Plus ESCs one has a Leopard 5698 910kv and the other has a Leopard 56110 950kv both are on 10s 2p here's a vid of a little blowover lol https://www.youtube.com/watch?v=AQVF...ature=youtu.be

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                  • RaceMechaniX
                    Fast Electric Addict!
                    • Sep 2007
                    • 2821

                    #10
                    Thanks Peter,

                    A very popular set-up here is the Neu 1527 1.5Y on 10S. You could also run a Castle 2028 on 8S or 10S. Look for a 1527 size motor from HET or Leopard if on a budget and make sure the ESC you purchase is up to the task.

                    TG
                    Tyler Garrard
                    NAMBA 639/IMPBA 20525
                    T-Hydro @ 142.94mph former WR

                    Comment

                    • don ferrette
                      Fast Electric Addict!
                      • Aug 2010
                      • 1093

                      #11
                      Originally posted by RaceMechaniX
                      Thanks Peter,
                      A very popular set-up here is the Neu 1527 1.5Y on 10S. You could also run a Castle 2028 on 8S or 10S. Look for a 1527 size motor from HET or Leopard if on a budget and make sure the ESC you purchase is up to the task.
                      TG
                      Tyler is spot on here, the 1527 1.5Y on 10S is the shiznit for 1/8th scales in what we've found to date.
                      - IMPBA Hall of Fame -
                      - IMPBA Hydro Technical Director -

                      Comment

                      • 785boats
                        Wet Track Racing
                        • Nov 2008
                        • 3169

                        #12
                        I'm not suggesting that this is the best setup, but to save money I'm running 8s 1p in mine because I have a lot of 4s packs & it was a smallish 1/8 scale at 42". Also to save money I had a Neu 1527/1Y 1250kv motor so I've put that in it with a Swordfish 240A.
                        A more ideal kv on 8s would be around 1000- 1100kv to drop the revs a bit & use a larger prop.
                        Here she is testing a Prather s240 prop. I've ended up using a Prather s235 prop now.

                        Last edited by 785boats; 01-26-2015, 02:31 PM.
                        See the danger. THEN DO IT ANYWAY!!!
                        http://forums.offshoreelectrics.com/...hp?albumid=319
                        http://forums.offshoreelectrics.com/...hp?albumid=320

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                        • twissted
                          Senior Member
                          • Jul 2012
                          • 867

                          #13
                          Has anyone tried the TP-4070 5Y 880kv motor? Or the tp4060 6Y 930 kv?
                          twissted from speed. Lead, fallow or get out of the way. Copy cats in back of the buss!!!

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                          • Doby
                            KANADA RULES!
                            • Apr 2007
                            • 7280

                            #14
                            I have to try this Aquacraft 240 controller!
                            Grand River Marine Modellers
                            https://www.facebook.com/search/top/...ne%20modellers

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                            • heraldoboldrin
                              Junior Member
                              • Dec 2011
                              • 10

                              #15
                              Where can i find a 1/6 Hydroplane hull?

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