Roban - World Class Scale Helicopters

1/10th Scale Westcraft B-17G Electric Conversion

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  • Hardway
    Hobby Squawk Moderator

    • Mar 2017
    • 3148
    • Willow Park, Texas
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    #101
    Originally posted by RRHandy
    Just easier to switch two and be done, then color code the ends to match the change. R.
    That is what I normally do. I also like the idea of all the ESC's being programmed the same. That way if I have to do a change in the field with a spare, they are all the same.... ;) Thanks for the input!! Do the numbers look better now? I think they are much better than the 13 x 8 props.....

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    • Hardway
      Hobby Squawk Moderator

      • Mar 2017
      • 3148
      • Willow Park, Texas
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      #102
      Originally posted by JFandL
      Ok party is over, what ya doing? :pop

      Just making sure you hit that dead line you know. Love seeing her updated.
      This is what I have been doing!!!! LOL I had an infestation of fire ants in the kitchen yesterday. They are looking for water. It is sooooo dry. Anyway, had to clear all the counters and use ant spray and then treat the outside of the house too.... Really not in the plan!!! Ha!!! Anyway, they are gone now....

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      • JFandL
        Member

        • Jun 2013
        • 402
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        #103
        Hope for good!!!

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        • Hardway
          Hobby Squawk Moderator

          • Mar 2017
          • 3148
          • Willow Park, Texas
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          #104
          Originally posted by Hardway
          Now I am going to drill the 13 x 12 3 blade REVERSE pitch prop and install it. Then, do the same readings. Do you guys think there is any benefit to reversing the direction via the ESC programming or just switch the two motor leads??
          OK. Just ran the same set of tests. The reverse pitch was 63.3 amps / 1440 watts. A few watts less than the normal pitch, but still close...
          Last edited by Hardway; Jul 26, 2018, 12:46 PM.

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          • Elbee
            Be humble...be approachable...and be credible.

            • Feb 2018
            • 4844
            • Wichita, Kansas
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            #105
            Originally posted by Hardway

            This is what I have been doing!!!! LOL I had an infestation of fire ants in the kitchen yesterday. They are looking for water. It is sooooo dry. Anyway, had to clear all the counters and use ant spray and then treat the outside of the house too.... Really not in the plan!!! Ha!!! Anyway, they are gone now....
            Hardway, "Man plans, God laughs." Best Always, LB
            "I am having an extraordinary ordinary life."
            ~Lucky B*st*rd~

            "Find satisfaction in the process rather than an outcome."
            ~Anonymous~

            AMA#116446

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            • rifleman_btx
              me

              • Dec 2016
              • 5246
              • West Point TX
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              #106
              Originally posted by Hardway

              OK. Just ran the same set of tests. The reverse pitch was 63.3 watts / 1440 watts. A few watts less than the normal pitch, but still close...
              Itll still work

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              • Hardway
                Hobby Squawk Moderator

                • Mar 2017
                • 3148
                • Willow Park, Texas
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                #107
                Originally posted by Elbee

                Hardway, "Man plans, God laughs." Best Always, LB
                Amen!!! I just roll with the punches and go with the flow... Still just happy to be alive, free and in Texas!!! Woo Hoo!!! Really, very blessed and thankful!!!!! :Cool:

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                • JFandL
                  Member

                  • Jun 2013
                  • 402
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                  #108
                  Originally posted by Hardway

                  Amen!!! I just roll with the punches and go with the flow... Still just happy to be alive, free and in Texas!!! Woo Hoo!!! Really, very blessed and thankful!!!!! :Cool:
                  Even with the fire ants WTG! :Cool:

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                  • rifleman_btx
                    me

                    • Dec 2016
                    • 5246
                    • West Point TX
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                    #109
                    Yes yes indeed my son and I got in 15 flights today :)

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                    • Hardway
                      Hobby Squawk Moderator

                      • Mar 2017
                      • 3148
                      • Willow Park, Texas
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                      #110
                      Fantastic!!!

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                      • Hardway
                        Hobby Squawk Moderator

                        • Mar 2017
                        • 3148
                        • Willow Park, Texas
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                        #111
                        I forgot to give the RPM's on the tests.... Both 13 x 12 x 3 Blade props, both normal and reverse, were running about 8800 RMP at full throttle.... Just verified it again. I still have not tested the thrust yet. I will build the rig ASAP. I need to know just to be sure. ;)

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                        • rifleman_btx
                          me

                          • Dec 2016
                          • 5246
                          • West Point TX
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                          #112
                          Yes indeed, I'm stoked to see what you get

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                          • Hardway
                            Hobby Squawk Moderator

                            • Mar 2017
                            • 3148
                            • Willow Park, Texas
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                            #113
                            I asked my son for his digital fish scale this weekend and he forgot to give it to me. Every day since, he comes home from work and I forget to remind him to find it.... I may just make the trip to Wal Mart or Academy.... I can buy ammo while I am there!!! LOL

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                            • Hardway
                              Hobby Squawk Moderator

                              • Mar 2017
                              • 3148
                              • Willow Park, Texas
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                              #114
                              On the test stand, I am using a 1/4 inch piece of aircraft birch plywood. When I go over half throttle, the plywood starts to bend quite a bit, so I am hopeful for good thrust numbers!!! If I get 11-12lbs from each motor, that is a 1:1 for a B-17G!!! Woo Hoo! Do a trick!!! LOL

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                              • rifleman_btx
                                me

                                • Dec 2016
                                • 5246
                                • West Point TX
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                                #115
                                Rolling harriers!! LOL:Cool:

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                                • rifleman_btx
                                  me

                                  • Dec 2016
                                  • 5246
                                  • West Point TX
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                                  #116
                                  Originally posted by Hardway
                                  I asked my son for his digital fish scale this weekend and he forgot to give it to me. Every day since, he comes home from work and I forget to remind him to find it.... I may just make the trip to Wal Mart or Academy.... I can buy ammo while I am there!!! LOL
                                  Ammo makes everything better!:Cool::)

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                                  • boomer108
                                    Chief Boom

                                    • Apr 2014
                                    • 868
                                    • Chicago IL.
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                                    #117
                                    Originally posted by rifleman_btx

                                    Ammo makes everything better!:Cool::)
                                    So does Myers Rum.LOL

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                                    • Hardway
                                      Hobby Squawk Moderator

                                      • Mar 2017
                                      • 3148
                                      • Willow Park, Texas
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                                      #118
                                      :Drinks::Drinks::Drinks:

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                                      • rifleman_btx
                                        me

                                        • Dec 2016
                                        • 5246
                                        • West Point TX
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                                        #119
                                        YES!!!

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                                        • Hardway
                                          Hobby Squawk Moderator

                                          • Mar 2017
                                          • 3148
                                          • Willow Park, Texas
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                                          #120
                                          Good morning!!! Getting an early start today. The first thing on the to-do list today is to email some old friends about the CG location on this bird. The last time I set up the CG was in 2008, so I want to refresh my memory and be certain before the test flight. :Thinking: If any of you can help, that would be great. It is a WESTCRAFT B-17G with 120" wingspan. Full fiberglass fuse, manufactured in the late 80's or early 90's. Any CG data that you can gather would be of great value!!! If any of you have an account on RC Groups or RC Universe, could you please pass my question along? Thanks so much and have a great day!!! Psalm 118:24 :Cool:

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