New twin rigger

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  • jcald2000
    Senior Member
    • May 2008
    • 774

    #76
    Looks like the rudder servo mount failed. Aluminum servo mount cured mine.

    Comment

    • grsboats
      Senior Member
      • Jul 2012
      • 975

      #77
      The problem is now solved with fiberglass roving around the rudder servo bulkhead...took me time to do this repair but now its much more strong.Yes in front there are the receiver and the battery.After a close inspection I can say the hull is in perfect shape and ready for more action.Unfortunetely the lake is not long enough so I will test props with less pitch and less lift just to see its maneuverability.thanks Gill
      GO FAST AND TURN RIGHT !
      www.grsboats.com.br

      Comment

      • twissted
        Senior Member
        • Jul 2012
        • 867

        #78
        It's a good looking boat. I'm looking forward to a running video!
        twissted from speed. Lead, fallow or get out of the way. Copy cats in back of the buss!!!

        Comment

        • urbs00007
          Senior Member
          • Jun 2011
          • 826

          #79
          twin

          Originally posted by grsboats
          The problem is now solved with fiberglass roving around the rudder servo bulkhead...took me time to do this repair but now its much more strong.Yes in front there are the receiver and the battery.After a close inspection I can say the hull is in perfect shape and ready for more action.Unfortunetely the lake is not long enough so I will test props with less pitch and less lift just to see its maneuverability.thanks Gill
          gil, why don't you use castle bec to save some weight?

          Comment

          • grsboats
            Senior Member
            • Jul 2012
            • 975

            #80
            John I don't think that a 50grams receiver pack is an issue.Boat ran really nice but the main problem ,just figured out arriving at home,was the rudder blade failure.I still can't believe that a Speedmaster rudder can suffer this damage but with all the power and pressure in the transom during a turn at high speed it happened.Wednesday will be the next water test and hope evrything come true to post a nice video.Thanks Gill
            Attached Files
            GO FAST AND TURN RIGHT !
            www.grsboats.com.br

            Comment

            • flraptor07
              Fast Electric Addict!
              • Aug 2013
              • 2451

              #81
              Gill, is it the picture or am I seeing the leading edge rolled on that prop that is next to the rudder?

              Comment

              • grsboats
                Senior Member
                • Jul 2012
                • 975

                #82
                Ok boat repaired and going to water tomorrow.Gill
                GO FAST AND TURN RIGHT !
                www.grsboats.com.br

                Comment

                • urbs00007
                  Senior Member
                  • Jun 2011
                  • 826

                  #83
                  twin

                  Originally posted by grsboats
                  Ok boat repaired and going to water tomorrow.Gill
                  good luck with repair. did the boat hop which in turn, bent the rudder? maybe andy brown could set you up with his twin 90 rudder? looking forward to video.

                  Comment

                  • Brushless55
                    Creator
                    • Oct 2008
                    • 9488

                    #84
                    Originally posted by grsboats
                    Ok boat repaired and going to water tomorrow.Gill
                    Looking forward to it man!
                    I really want to build me a twin after seeing this build
                    .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

                    • grsboats
                      Senior Member
                      • Jul 2012
                      • 975

                      #85
                      Hi fellas as promised boat went to water today.Not the best day for boat testing as it was very windy and choppy and we had to wait two hours till things could slow down but I couldn't resist and went to water with conservative power to be on the safe side:Aspec 5S 4.4A and Prather 240 modifed. Rudder blade substitued by a CMDI one reinforced with c.f.....everything went good for now.video: http://youtu.be/MBL7RGrzmdY Thanks Gill
                      GO FAST AND TURN RIGHT !
                      www.grsboats.com.br

                      Comment

                      • urbs00007
                        Senior Member
                        • Jun 2011
                        • 826

                        #86
                        twin

                        Originally posted by grsboats
                        Hi fellas as promised boat went to water today.Not the best day for boat testing as it was very windy and choppy and we had to wait two hours till things could slow down but I couldn't resist and went to water with conservative power to be on the safe side:Aspec 5S 4.4A and Prather 240 modifed. Rudder blade substitued by a CMDI one reinforced with c.f.....everything went good for now.video: http://youtu.be/MBL7RGrzmdY Thanks Gill
                        liked your launch ! easy on the throttle ! lots of power, yes? good job, gil.

                        Comment

                        • grsboats
                          Senior Member
                          • Jul 2012
                          • 975

                          #87
                          Thanks John.Riggers are different animals compared to other classes so takes time to get them properly dialed.I'm not sure what is the problem but what i'm observing is the left motor is consuming more power than the right: after a meter inspection I had 32% on the right battery and 21% on the left.Both are well balanced with low IR.I will need to make more tests to confirm if there is any difference between motor's power.Thanks Gill
                          GO FAST AND TURN RIGHT !
                          www.grsboats.com.br

                          Comment

                          • urbs00007
                            Senior Member
                            • Jun 2011
                            • 826

                            #88
                            rigger

                            Originally posted by grsboats
                            Thanks John.Riggers are different animals compared to other classes so takes time to get them properly dialed.I'm not sure what is the problem but what i'm observing is the left motor is consuming more power than the right: after a meter inspection I had 32% on the right battery and 21% on the left.Both are well balanced with low IR.I will need to make more tests to confirm if there is any difference between motor's power.Thanks Gill
                            just a thought, maybe swap props. maybe they arent drawing same power. 2 castles with data-logging would be nice, huh?

                            Comment

                            • flraptor07
                              Fast Electric Addict!
                              • Aug 2013
                              • 2451

                              #89
                              Originally posted by grsboats
                              Thanks John.Riggers are different animals compared to other classes so takes time to get them properly dialed.I'm not sure what is the problem but what i'm observing is the left motor is consuming more power than the right: after a meter inspection I had 32% on the right battery and 21% on the left.Both are well balanced with low IR.I will need to make more tests to confirm if there is any difference between motor's power.Thanks Gill
                              Gill, sounds to me like they messed up packaging those motors and sent you two different motors, you should check the kv on them.

                              Comment

                              • grsboats
                                Senior Member
                                • Jul 2012
                                • 975

                                #90
                                Motors are Ok.Just reset my esc's and reprogrammed them correctly...timing was wrong with one .Next weekend if weather is good more action and tests in a big lake.Thanks Gill
                                GO FAST AND TURN RIGHT !
                                www.grsboats.com.br

                                Comment

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