another mean machine set up

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • bustitup
    Fast Electric Addict!
    • Aug 2008
    • 3071

    #46
    Originally posted by Brushless55
    Can yuo take a picture of your current setip and let us take a peak at what you have going on?

    Thanks
    will do sir
    SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
    EX President of the Offshore FE Vultures Society

    Comment

    • bustitup
      Fast Electric Addict!
      • Aug 2008
      • 3071

      #47
      Originally posted by Brushless55
      Can yuo take a picture of your current setip and let us take a peak at what you have going on?

      Thanks

      HERE IT IS READY TO GO TO THE POND RIGHT NOW

      SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
      EX President of the Offshore FE Vultures Society

      Comment

      • Fluid
        Fast and Furious
        • Apr 2007
        • 8011

        #48
        The most obvious thing to correct withthe install is the wire length - all wires are 'way too long! This isn't causing the low speed issue, but it can cause other major problems later.

        First, put the ESC in front of the motor where the GPS is and shorten both the ESC and pack wires. Get rid of the jumper wire between the packs. Cut the three motor wires on the ESC and the three on the motor to about half their present length. Long wires mean several things - high resistance so less voltage to the packs, and high impedence which can damage the ESC, particularly under high loads.

        Next, ditch the 'O' rings, then tape the hatch down. The hull is the radio box, you can pull out the one that's in there now if you want.

        Still nothing obvous that's causing the low rpm. The packs are wired in series as they should be, I have to assume it is something in the ESC or the transmitter. I don't know if programming the ESC can cause this as I don't have experience with that chinese ESC. It can be very frustrating to diagnose these issues from afar...heck sometimes it's tough up close!

        .
        ERROR 403 - This is not the page you are looking for

        Comment

        • Mel279
          Senior Member
          • Dec 2008
          • 857

          #49
          As I've told u before, I've experience using this esc before, u need to play around with the cutoff voltage, why don't u change the cutoff to 3.0v/cell, if still the same speed, change it to 2.8v/cell. Im definitely sure it will gain speed. This is something that not many people realise and I don't seem to understand why that happen.
          Stiletto tunnel,EPV135 (53") twin cat, CT06"Spirit of Qatar", FD 47" mono, Twin Mini Cat 23.5"

          Comment

          • bustitup
            Fast Electric Addict!
            • Aug 2008
            • 3071

            #50
            Just got back from the pond......first run it did the same thing.......23mph with a M445 prop
            So I figured let's put in a different esc...I had my hextronx 120 with cooling.....first run was 43mph

            So it the turnigy 180 not programed correctly

            So I got excited moved to a 447 fiberglass 3 blade.........big mistake.......it melted the wires off the esc...its stinky toast and it puffed one of my flight power 2s


            Fluid I am starting to do all you suggestions........
            SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
            EX President of the Offshore FE Vultures Society

            Comment

            • Fluid
              Fast and Furious
              • Apr 2007
              • 8011

              #51
              Sorry to hear of the damage. The additional load of a 3-bladed prop is huge and if the boater does not understand prop loading he can get into trouble fast. That's one reason I seldom recommend 3-bladed props. Most times FE boaters are better off with two-bladed props.

              You likely doubled the amp draw by changing to that huge prop - even the recommended wiring changes probably would not have helped.....



              ./
              ERROR 403 - This is not the page you are looking for

              Comment

              • Chilli
                Fast Electric Addict!
                • Jan 2008
                • 3070

                #52
                You may have seen this if you cruised my build thread, but this is how I have the ESC mounted. I used a small piece of plywood to raise the unit and then secured it with velco. Sorry about your ESC and Lipo...
                Attached Files
                Mike Chirillo
                www.capitolrcmodelboats.com

                Comment

                • bustitup
                  Fast Electric Addict!
                  • Aug 2008
                  • 3071

                  #53
                  Originally posted by Nautiboyz
                  You may have seen this if you cruised my build thread, but this is how I have the ESC mounted. I used a small piece of plywood to raise the unit and then secured it with velco. Sorry about your ESC and Lipo...
                  Real nice.......is that the Verizon boat?.........what feigao ia that.....speed and prop?
                  SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
                  EX President of the Offshore FE Vultures Society

                  Comment

                  • Brushless55
                    Creator
                    • Oct 2008
                    • 9488

                    #54
                    Thanks for the picture!
                    Wires look good.. Think it could be your programing in the esc?

                    Sorry to hear about your melt down..
                    .NAMBA20...Caterpillar UL-1, P-Spec OM29, P-Mono DF33, P-Spec JAE, Aussie 33" Hydro-LSH, Sprintcat CC2028 on 8s, PT SS45 Q Hydro, PS295 UL-1 power, OSE Brothers Outlaw QMono 4-sale, Rio 51z CC2028 on 8s

                    Comment

                    • Chilli
                      Fast Electric Addict!
                      • Jan 2008
                      • 3070

                      #55
                      That is the Verizon boat. I have since removed the thru hull water pickup. I don't know why I even put it on. I'm running a 10XL 4s2p with a M545 I balanced myself. I got 43.5 out of her which is all I wanted for my son to learn with. Just ordered a B & S M545 from Offshore on Friday. I'm curious to see how much extra performance I get out of her. Good luck with getting her sorted out!
                      Mike Chirillo
                      www.capitolrcmodelboats.com

                      Comment

                      • bustitup
                        Fast Electric Addict!
                        • Aug 2008
                        • 3071

                        #56
                        so here is the first run after we realized it was the Turnigy 180 that wouldnt let us run over 23mph and ran it with 120amp hextronix plush

                        43mph m445

                        VIDEO
                        SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
                        EX President of the Offshore FE Vultures Society

                        Comment

                        • Mel279
                          Senior Member
                          • Dec 2008
                          • 857

                          #57
                          Originally posted by bustitup
                          so here is the first run after we realized it was the Turnigy 180 that wouldnt let us run over 23mph and ran it with 120amp hextronix plush

                          43mph m445

                          VIDEO
                          Your turnigy 180 can run much faster than that, just change the cutoff voltage. You'll see the different, this turnigy is a bit clumsy, if it detect your battery is not that good that what happen and the only way is to lowered the cutoff voltage just like I did before. Don't forget to use smaller prop, x637 would be a good start. Sorry to hear your hex 120 fried, but its common to all FE boater that includes me also.
                          Stiletto tunnel,EPV135 (53") twin cat, CT06"Spirit of Qatar", FD 47" mono, Twin Mini Cat 23.5"

                          Comment

                          • bustitup
                            Fast Electric Addict!
                            • Aug 2008
                            • 3071

                            #58
                            So Mel...your sure about this cut off setting thing huh?.....which cutoff should I use
                            SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
                            EX President of the Offshore FE Vultures Society

                            Comment

                            • Mel279
                              Senior Member
                              • Dec 2008
                              • 857

                              #59
                              Originally posted by bustitup
                              So Mel...your sure about this cut off setting thing huh?.....which cutoff should I use
                              Im pretty sure thats the problem. I suggest u try using 3.2v/cell, if still the same speed, u lowered some more till 2.8v/cell. Let me know if u have try it ok. Good luck!!
                              Stiletto tunnel,EPV135 (53") twin cat, CT06"Spirit of Qatar", FD 47" mono, Twin Mini Cat 23.5"

                              Comment

                              • bustitup
                                Fast Electric Addict!
                                • Aug 2008
                                • 3071

                                #60
                                3.2 is where I set it from the beginning
                                SPRINT CAT 40.........BOOGIMAN 25" MONO 8xl
                                EX President of the Offshore FE Vultures Society

                                Comment

                                Working...