Hi everyone !!

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • Robbie1
    Member
    • Nov 2016
    • 54

    #16
    sorry 4150kv on motor ( hydro mini )

    Comment

    • NativePaul
      Greased Weasel
      • Feb 2008
      • 2760

      #17
      Wow, your really going for it.

      I like the H&M design, I have one for a Hydro2 myself, but they are built heavily, and the smaller the boat the bigger a disadvantage that is, so I would advise against it, this and this are 2 of the best riggers freely available at the moment.

      I know nothing about the Jetti Duplex, it looks sexy and fully featured, I would imaging it has a top notch RF link, but I would research its transmission protocol before spending that much, and make sure it is constantly randomly hopping and utilising the whole band, like Futaba FASST, Multiplex/Hitec and FrSky do and has a low minimum receiver voltage (2.6v FASST and FrSky, 3.2v Multiplex/Hitec, Spektrums 3.5v has been problematic for some), a fast relink is good too, it is not a safety or security issue but if you get into Monos or Ecos (little FE multiboats) that can dive from time to time, watching your competitors wizz past while your radio rearms would get old quickly.

      The MGM LiPos are not suitable, there are no 4500mAh, nothing in between 4000 and 5000, so in Electra you would be giving away 12% power going with 4000, and they are overweight and couldn't be used at all abroad, their 3200mAh are 280g the biggest legal internationally, so you'd be giving away huge power compared to Redzone 4800.

      Can you link me to the LMT Viper? I know LMT, and I know Tenshock viper, but not LMT Viper. for what it is worth I run a Mega Motors 16/15/3 3000kv weighing 72g. What is the reason for 2s? it is a tiny difference, but with the lower currents on 3s you waste less energy heating the wires up. there is also more battery choice, the only competitive 110g 2s battery is the Redzone 2650mAh. Prop would be about 30mm, 1.4 pitch, 2 blades.

      Hydro 1, you could do a 1920,and I have seen them running very well, but a 1530/8 on 3s spinning a 2 blade 36mm prop is more typical. Hydro1 is 2s-3s only, running 4s would make it a very small Hydro2.

      I like to run an ESC rated for at least double the average current. Divide your battery's mAh by 100 to get your average current.
      Paul Upton-Taylor, Greased Weasel Racing.

      Comment

      • Robbie1
        Member
        • Nov 2016
        • 54

        #18
        yes sorry i meant tenshock yes on viper .
        So the two hulls are no good ? sorry dont fully understand your first part probably me ?

        I would like to use the HYdro mini mi For HYdro mini class and the Dr evil for hydro 1 ?

        2s in the mini
        and yes i see , so for hydro 1 i will run 3s , my fault was looking at hydro 2 rules

        been researching for 5 days brain kinda fried with numbers lolol , thanks thou paul really appreciate it , will pick yer brains for good setups .

        And yes going all out

        Comment

        • Robbie1
          Member
          • Nov 2016
          • 54

          #19
          and thank you for the lipo info yes did wonder about the weight , i'm very much dedicated to making the hydros as light as possible.

          Comment

          • NativePaul
            Greased Weasel
            • Feb 2008
            • 2760

            #20
            I wouldn't recommend a Tenshock Viper, one of my friends did a datalogged test back to back with a viper and this cheap outrunner, and got more RPM AND less amp draw from the outrunner.

            In short, No, they are no good. In long, they have a lot of aero lift to take weight off the sponsons and reduce the wetted area, if built at an good weight they would be blisteringly fast boats in good water, but because they are built heavy they have more weight to start off with and the aero lift just cancels out the extra weight, you get a boat with an average top speed but the extra mass is still there so the acceleration and cornering suffers.
            Paul Upton-Taylor, Greased Weasel Racing.

            Comment

            • Doug Smock
              Moderator
              • Apr 2007
              • 5272

              #21
              Welcome to OSE Robert.
              MODEL BOAT RACER
              IMPBA President
              District 13 Director 2011- present
              IMPBA National Records Director 2009-2019
              IMPBA 19887L CD
              NAMBA 1169

              Comment

              • NativePaul
                Greased Weasel
                • Feb 2008
                • 2760

                #22
                Oh and a quick bit of research tells be the Jetti Portocol is simultaniously linking on 2 frequencies like FASST, constantly hopping like FASST, it is not using the all 81 channels in the band like FASST, but 16 channels which is a fair chunk of it and the more than the 10 DSMX and DMSS (the latest and greatest Spektrum and JR protocols), it has a 32bit Guid so better at rejecting false handshakes than FASST, but not as good as DSMX and DMSS with 64bit handshakes. The RXs have a minimum voltage of 3.2v.

                You pays your money and takes your chances Futaba FASST will be better at avoiding dirty channel interferance, and JR Sektrum will be better at running with trillions of other TXs in proximity, but it seems like a good middle ground.
                Paul Upton-Taylor, Greased Weasel Racing.

                Comment

                • Robbie1
                  Member
                  • Nov 2016
                  • 54

                  #23
                  ok , so im not doing very well

                  what hulls do you recommend ? for mini and hydro 1 ? did 5 days of research the best i could find other than rasch everything else is made from wood , got to be heavier ?
                  etti was considered but if im honest i dont like the look build quality didnt look great ?

                  you can probably guess i would like to compete with the best hulls and internals that i can compete nationally and worlds , and if i don't do well its down to me as a driver and or setup .

                  what transmitter do you use paul ?

                  thankyou so much for your imput

                  Comment

                  • Robbie1
                    Member
                    • Nov 2016
                    • 54

                    #24
                    hi doug nice to meet you

                    Comment

                    • Robbie1
                      Member
                      • Nov 2016
                      • 54

                      #25
                      figured any transmitter and radio gear from the flying community , particularly rc fast jets got to be safe ?

                      Comment

                      • NativePaul
                        Greased Weasel
                        • Feb 2008
                        • 2760

                        #26
                        I just bought new boats last winter, a Rasch for Hydro1 and something very close to the ETTI outcast from Steven De Graff (the outcast's designer) for Mini Hydro.

                        I was a bit disappointed by the Rasch it is a good design, but significantly heavier than the ones the designer was running, same for ETTI outcast, Steven does sell really light ones but I have not got mine running 100% yet, it has in issue that I have seen an outcast with too, I am sure I will get there in the end, but I think it needs some sponson mods.

                        Have a look at the ones I linked to in post 17, the Hydro1 is a copy of the Lindeneau Executive2 (I am normally very much against splashes, but Lindeneau stopped making boats several years before these came onto the market), it is a great design and these ones are both very light and with a very good finish, something that is often mutually exclusive. I only recently found out that the Mini Hydro I linked to is commercially available, and if I was buying again that would be my choice, the white boat that lead from start to finish in this video of the 2013 worlds finals is one.
                        Paul Upton-Taylor, Greased Weasel Racing.

                        Comment

                        • Robbie1
                          Member
                          • Nov 2016
                          • 54

                          #27
                          etti - no good
                          rasch - no good
                          mini mi - no good
                          doctor evil - no good

                          im lost as to what to get

                          how about the ones from doctor props ?

                          unsure what links paul in post 17 ?

                          Comment

                          • Robbie1
                            Member
                            • Nov 2016
                            • 54

                            #28
                            sorry got confused a lot lolol i think because your links are not coming out , all i can see are the words this ....and this are the best available riggers on the market , is where im getting confused

                            Comment

                            • Robbie1
                              Member
                              • Nov 2016
                              • 54

                              #29
                              Right !! ok totally my fault only just figured out that i have to click on the word "this"

                              totally understand now lolol

                              cool is the hydro 1 the same one from doctor props ? (shown as hydro 1L )

                              Comment

                              • Robbie1
                                Member
                                • Nov 2016
                                • 54

                                #30
                                I have to be honest after looking at all the hulls available they are extremely similar , mixture of carbon and fiberglass obviously some lighter than others but must be extremely close in terms of weight ? would this be correct ?

                                Comment

                                Working...