Revo questions

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  • tlandauer
    Fast Electric Addict!
    • Apr 2011
    • 5666

    #16
    I am by no means being negative here either, I just don't remember the site had that discrepancy before.

    Sent from my D6708 using Tapatalk
    Too many boats, not enough time...

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    • Peter A
      Fast Electric Addict!
      • Sep 2012
      • 1487

      #17
      Ok so if someone turned up and raced with revos that were charged to 4.2v/cell, and from previous threads if I am correct, I recall that you have maximum charged voltages in NAMPBA of 4.23v/cell, would they be illegal? And would you turn away someone who had got keen on racing over that? Regardless of stickers on things, what is best in the big picture? What happens when hv lipos become the norm? Are you going to do the whole 'we don't want those things?' It is inevitable that this technology will continue to evolve and improve, just like lipos when they came on the market, brushless systems and how many other things.

      Previously last year RevoJohn did answer the question of nominal voltage, and most of you all read and commented on those threads. For my experience, I have gone from Turnigy blues and nanos to revos, price and availability were the main factors as well as good reports. I cannot say definitively if they are so much better but they are working well for me so far. Also mistakes do happen in the manufacturing process as I found out. Two 2s 5500 70c silver packs came with 14g wires. I contacted RevoJohn and he sent me two more packs no charge. That sort of product backup is gold.

      I'm not trying to ruffle feathers here but just ensure that those that read these threads get a full perspective and can make for themselves well informed decisions. I would suggest that if any do have specific questions that they perhaps PM RevoJohn and ask, or contact Revolectrix through their website. Find out what you need to know first and then make your decision. Simple stuff guys.
      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

      • Doby
        KANADA RULES!
        • Apr 2007
        • 7280

        #18
        Originally posted by tlandauer
        I am by no means being negative here either, I just don't remember the site had that discrepancy before.

        Sent from my D6708 using Tapatalk
        Agreed...if they want to sell a product then their information should be consistent.
        Grand River Marine Modellers
        https://www.facebook.com/search/top/...ne%20modellers

        Comment

        • Doby
          KANADA RULES!
          • Apr 2007
          • 7280

          #19
          Originally posted by Peter A
          Ok so if someone turned up and raced with revos that were charged to 4.2v/cell, and from previous threads if I am correct, I recall that you have maximum charged voltages in NAMPBA of 4.23v/cell, would they be illegal? And would you turn away someone who had got keen on racing over that? Regardless of stickers on things, what is best in the big picture?
          I would hope common sense would prevail...

          Besides, NAMBA lists 15V (3.75V/cell if you do the math) as the max for P classes, I would think that if I can measure my pack and show it to be below that on race day, then I should be good to go....but this may be a topic for another time.
          Grand River Marine Modellers
          https://www.facebook.com/search/top/...ne%20modellers

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          • DPeterson
            Senior Member
            • Apr 2007
            • 842

            #20
            Anyone running Revo's are welcome to race at our venue. We won't turn anyone away.
            Doug Peterson
            IMPBA 19993
            www.badgerboaters.com

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            • Doug Smock
              Moderator
              • Apr 2007
              • 5272

              #21
              The Revos are legal in the IMBPA if not charged above 4.23 v/cell. Yes anything above 4.23 v/cell would draw a DQ.

              A NAMBA max voltage proposal is to be in the April Propwash. Teching prior to a SAW or two lap is in there as well.
              http://forums.offshoreelectrics.com/...A-FE-Proposals
              Last edited by Doug Smock; 03-26-2015, 08:48 PM.
              MODEL BOAT RACER
              IMPBA President
              District 13 Director 2011- present
              IMPBA National Records Director 2009-2019
              IMPBA 19887L CD
              NAMBA 1169

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              • T.S.Davis
                Fast Electric Addict!
                • Oct 2009
                • 6220

                #22
                Originally posted by Doug Smock
                The Revos are legal in the IMBPA if not charged above 4.23 v/cell. Yes anything above 4.23 v/cell would draw a DQ.
                Now that makes sense to me.
                Noisy person

                Comment

                • Doby
                  KANADA RULES!
                  • Apr 2007
                  • 7280

                  #23
                  I assume NAMBA would use some common sense as well???
                  Grand River Marine Modellers
                  https://www.facebook.com/search/top/...ne%20modellers

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                  • ray schrauwen
                    Fast Electric Addict!
                    • Apr 2007
                    • 9475

                    #24
                    There is no reason I can give for my Whip 40 being able to keep up with the pack, starting from the back using a TP motor, SF200 Pro 8S esc and only 3 test runs before a race other than the batteries. I had no idea that the boat was going to be as fast as it was with 1250kv and propping down to M447 from a D/T 455.
                    The ones I have rock and roll and I would buy them again in a heart beat. They remind me of the first lipos I ran in an RC boat about 8 years ago.
                    I bought Diamond packs for no other reason than Diamonds seemed tougher than Silver, lol...

                    The Silver series should rock out just as well, I'm sure. About legalities in racing, well, I can't afford a charger that goes past 4.2V/cell and from the performance I got, I wouldn't want to charge them higher, it would shorten their life span yes? no? I bought them not just to see how well they hold voltage under load, I also got them to see how well they store over long northern winters. We shall see.

                    Silver are supposed to be better than my diamonds so, who knows until we hit the water soon.

                    I never broke the cells in either, I just ran the snot out of them from the get go. I did that with a set of Dinogy and now they are as good as any of my HK 30-40C batts.
                    Nortavlag Bulc

                    Comment

                    • Doby
                      KANADA RULES!
                      • Apr 2007
                      • 7280

                      #25
                      Ray...you cheated!!!! No wonder your boat was so fast!!!! Bad fellow Canadian.....Using evil batteries at the Nats.
                      Grand River Marine Modellers
                      https://www.facebook.com/search/top/...ne%20modellers

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                      • Doug Smock
                        Moderator
                        • Apr 2007
                        • 5272

                        #26
                        Originally posted by Doby
                        I assume NAMBA would use some common sense as well???
                        http://forums.offshoreelectrics.com/...A-FE-Proposals
                        MODEL BOAT RACER
                        IMPBA President
                        District 13 Director 2011- present
                        IMPBA National Records Director 2009-2019
                        IMPBA 19887L CD
                        NAMBA 1169

                        Comment

                        • Doby
                          KANADA RULES!
                          • Apr 2007
                          • 7280

                          #27
                          Link seems to be NFG Dougee...
                          Grand River Marine Modellers
                          https://www.facebook.com/search/top/...ne%20modellers

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                          • tlandauer
                            Fast Electric Addict!
                            • Apr 2011
                            • 5666

                            #28
                            From a non-technical point, I failed completely to grasp/understand the heated discussion during the last round. I had always thought what Doug Smock said should prevail: If not charged beyond 4.23v/cell, the racer should be allowed to race. Now, I understand my statement will beg from some people. But I suspect I am not the only one to think and interpret this along these lines. I am just dumb enough to "expose" myself in front of an expert crowd so to speak.
                            Yes, I realize and haven't forgotten the infamous term "Nominal Voltage"
                            Too many boats, not enough time...

                            Comment

                            • Doug Smock
                              Moderator
                              • Apr 2007
                              • 5272

                              #29
                              Originally posted by Doby
                              Link seems to be NFG Dougee...
                              It's working now.
                              MODEL BOAT RACER
                              IMPBA President
                              District 13 Director 2011- present
                              IMPBA National Records Director 2009-2019
                              IMPBA 19887L CD
                              NAMBA 1169

                              Comment

                              • chris
                                Senior Member
                                • May 2007
                                • 110

                                #30
                                Winning part of h–voltage packs is not how much you can overcharge them, is higher voltage under load. Simply more layers inside .

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