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Pike Paradigm

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  • Pike Paradigm

    I've been waiting for a new toy. All the servos, motor, prop, electronics have been sitting in a box for a few months. Things finally made it to NJ by way of CA.

    I assembled all my parts. Model came with wing LDS servos installed. I have to do the rudder and elevator servo install. Motor and prop is on the nose and the battery pack is in there. All the parts are currently around 4600g and CG close to 104 where I'll start. MKS6625 installed in the wing. Lots of power since these are some pretty large surfaces. The plane barely squeezed onto my CG scale so I could check how close I would be to the CG range. It is good.
    Click image for larger version

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    The wing tip LE's needed a little sanding. Better under sanded than over sanded. Tip panels are still a pain to get on I think they changed the tip angle from what was originally put into the wing tips. The mold angle appears around 6 degrees but the joiner is around 8 degrees. So the pins don't slide in as nicely as they could.

    I have to get used to the really big vertical fin That is the one unusual bit.

    Wing center, 1616g (Servos installed)
    Left tip 454g (Servo installed)
    Right tip 450g (Servo installed)
    Nose 280g. It is a lot of fiberglass. About 1.5mm thick.
    Stab 52g
    Fin 90g , It is really big
    Boom/wing mount 4726
    Joiners 126g
    Misc cables, screws 84g

    Ballast is up to 8 bars that add up to 2300g

    So with full ballast, it should be close to 7000g

    Click image for larger version

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  • #2
    Very nice. Thanks for posting with all the details. This seems to be “the” sport class of choice. Enjoy and keep us posted.
    Team PowerBox Systems Americas... If flying were the language of men, soaring would be its poetry.

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    • #3
      First step on the nose, drill the front end for the motor. I made a template on the CNC router for the bolt hole pattern and the outline of the front housing. Drilled the four holes and scribed the line for the front end. Then used a dremel to open up the front for the motor. Leomotion 3631-2050 with a gearbox. Up to 1900 watts (15 seconds) so it should be able to handle things. It's a little more powerful motor than the 4023 that is on the Samba web page. This thing is going to be flying at 7kg.

      Click image for larger version

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      There is a tray provided for the front end. I sanded the edge a little to lower the tray slightly. My 6S2700 pack should fit anywhere I want up front. The YGE-95LVT ESC sits right under things.

      I will need to run a bunch of wires from the front back to the RX. Throttle/BEC Power, Telemetry cable, servo channel for Sparrow. I'm also going to try and add a remote RX up front. The nose is all glass. Even that black colored stuff on the side is supposedly glass. Only a small amount of boom carbon extends at the very back edge where the nose slides in. Hopefully I don't have to remove the nose very often.

      Click image for larger version

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      • #4
        I’m going to look at the new Nan Compass in a few days, I’ll be curious to see a Paradigm up close as well. They both look very nice. I like this size of model beyond just GPS competition.

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        • mlachow
          mlachow commented
          Editing a comment
          There should be several of them in California. There were three others in this batch to Flightcomp. Hopefully mine is ready to go by the end of the month and I can find a nice day to fly it.

      • #5
        What’s the wing span?
        TEAM GORGEOUS

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        • #6
          Click image for larger version

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          https://f3j.com/pages/pike-paradigm
          Team PowerBox Systems Americas... If flying were the language of men, soaring would be its poetry.

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          • mlachow
            mlachow commented
            Editing a comment
            The pages have a good description of the design process.

        • #7
          Some simple stuff. The battery tray gets glued into the nose with some West Systems G/Flex. I also added connectors to the YGE controller that will sit under the battery tray. I have a 6S2700 pack which should be good for two climbs and course time and some spare change. I also marked up the boom part for cutting holes for the MKS HV737 and 747 servos. 737 is the faster one for the elevator. 747 will be for the massive rudder with the short control horn.

          Click image for larger version

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          • #8
            Can you measure the distance from the trailing edge to the front of the vertical fin?

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            • mlachow
              mlachow commented
              Editing a comment
              115cm from te to le of fin

          • #9
            Other measurements.

            Tip panel 1552mm
            Center panel 1838mm
            Fin 515mm
            Stab 660mm

            The fuselage can be taken apart The nose comes off and the fin comes off. They provide a plastic piece to protect the rudder pushrod when you take the fin off.

            Boom with pushrod protector on. 1600mm
            Fuselage with nose on and spinner. 1972mm
            Fully assembled fuselage and fin/rudder. 2056mm

            So you need 2.1M in your car/van/trailer for an assembled fuselage and teh center panel is pretty large too.

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