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My review of the VX-1

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  • My review of the VX-1

    With me being a Flybarless virgin, all this talk of V-Baaaaaaaaaaaaa and 3GX and anti-bounce, de-piro stabiliswotsit had my head in tatters trying to work out what the hell you lot were on about!!

    Enter Sheryl with a Knight 3d airframe for £50, me being northern, a bargain cannot be missed. Money exchanged hands, I had a K3d again after 4 years since I sold my last two when I sold up! Woohoo!

    My intention after a discussion with Sheryl was to go flybarless with the K3d, as I already knew how well they fly from when ive had them before. And thus came the time to choose a flybarless controller. The choice was quite simple really. I already fly Spartan Gyros and they are rock solid, so a Vortex was sourced off here again for bargain money.

    First impressions...... GOD ITS TINY!! the sensor is the same size as a quark gyro, and the main unit not much bigger!! It was duly mounted on the Knight and then some Align DS615's, a DS655 on throttle and a Bls251 on the tail were also introduced to the mix along with a Redline 53 for power and a KDS Regulator.

    Setup was super simple, step by step procedure in the Datapod, and within 5 mins a flybarless virgin was all set ready to rock, all bar the usual throttle arm fettling and tail rod adjustments that youd need to do on a flybar machine anyway.

    SO fast forward to last weekend, and the maiden flights. All preflight checks done, throttle set up on bench, and a tentative hover in rate mode to set the tail and were ready to rock. Or that would be we WOULD be ready to rock if the damned engine wasnt being a pain in the posterior!!

    Fast forward some more to today and ive got the engine running miles better, still not 100% but close enough to fly! So without a do, I do the trim flight as advised in the manual. All values came down acceptable even in a strong breeze, which was very re assuring. Canopy on its time to give it some welly.

    What a transformation!! The heli is soooo stable yet as agile as a 450!! It tracks perfectly, does everything youd want effortlessly and its got BAGS of poke!! I did a couple of speed runs with it to try it out and I now have flies splattered on my canopy!! WOOP Through loops it tracks perfect arcs, it flips on the spot, its quite simply exactly how youd want a heli to fly!! I did initially have the unit set in sport mode, but wheter it just me or not felt that there was less negative pitch than positive. So 30 seconds with the datapod and im in 3d mode!!

    Its alive!! All of the above just better!! It seems to just do everything BETTER in 3d mode!! It feels like my Raptor 90 to fly now and thats a well sorted and damned fine machine! Yet all the aforementioned agility is still there maybe a bit more besides!!

    Yes this is my first flybarless machine, but the bug has been bitten!! Im converting the lot to Vortex now!!

    Possibly the best £200+ ive ever spent on helis!!

    Videos below first is in sport mode 2nd is in 3d. And you can hear the engine just not quite right causing a minor tail oscillation, but ill dial that out next flight.



    Some say my left nipple is the shape of a Raptor canopy.......... And that for fun I chase sheep in wellies 3 sizes too big. All I know is I am ​3D Clod
    Very proud to be a Presenter on ROTORS! The RC Helicopter show


    Very proud to be a 2x EGS winner

    Collector of SAB Goblins

  • #2
    Nice read,a classic example of anybody's first fbl flights with any controller brand.

    Comment


    • #3
      Quick get the tissues, the flybarless virgin has lost his flybar!

      Comment


      • #4
        puff
        set the mechanics up with perfectly zero trim nobar
        then you know any drift, uneven movements etc,etc are down to the controler set up

        once set up perfect any fbl unit is a breeeeeeeeeeeeeeeezzzzzzzzzzzzzzzzzzze to get right
        apart from the 3g that tried to kill me so i ripped it off and went back nobar
        Hirobo Turbulence D3
        a bunch of bls servo's and a 701 gyro
        Powered by an OS91 hz and a MP2
        Winner of the LHC Scale Cup 2011

        1/4 scale Vario Bell 47 G3
        1/3 scale Vario R22
        2012 LHC Scale Cup Judge
        member of save the flybar foundation
        www.alcesterhelicopterclub.bmfa.org
        sigpic

        Comment


        • #5
          Originally posted by electricsceadu View Post
          puff
          set the mechanics up with perfectly zero trim nobar
          then you know any drift, uneven movements etc,etc are down to the controler set up

          once set up perfect any fbl unit is a breeeeeeeeeeeeeeeezzzzzzzzzzzzzzzzzzze to get right
          apart from the 3g that tried to kill me so i ripped it off and went back nobar
          Heli was perfectly setup...........with mk1 eyeball! I did throw my swash level on there to check but was spot on! And when I set up the Vortex it was a relative doddle.

          Ive looked at the V-Stabi software, and the 3GX and DJI and personally feel the Datapod setup wizard is the most intuitive of the lot. No bs or fancy names, just a simple setup procedure thats idiot proof (It must be I set it up)

          Im yet to delve deeper into fine tuning and advanced parameters, but as ive said the K3d flies as stable and precise as my rappy 90, without the damned pitch up in FFF, but is more agile than any 50 ive ever flown.
          Some say my left nipple is the shape of a Raptor canopy.......... And that for fun I chase sheep in wellies 3 sizes too big. All I know is I am ​3D Clod
          Very proud to be a Presenter on ROTORS! The RC Helicopter show


          Very proud to be a 2x EGS winner

          Collector of SAB Goblins

          Comment


          • #6
            to stop the 90 pitching up in fff replace the red paddles with the black ones
            the downside is the cyclic will be like waiting for a bus
            Hirobo Turbulence D3
            a bunch of bls servo's and a 701 gyro
            Powered by an OS91 hz and a MP2
            Winner of the LHC Scale Cup 2011

            1/4 scale Vario Bell 47 G3
            1/3 scale Vario R22
            2012 LHC Scale Cup Judge
            member of save the flybar foundation
            www.alcesterhelicopterclub.bmfa.org
            sigpic

            Comment


            • #7
              Ive got V-Blade paddles on there atm, be no paddles in a few weeks
              Some say my left nipple is the shape of a Raptor canopy.......... And that for fun I chase sheep in wellies 3 sizes too big. All I know is I am ​3D Clod
              Very proud to be a Presenter on ROTORS! The RC Helicopter show


              Very proud to be a 2x EGS winner

              Collector of SAB Goblins

              Comment


              • #8
                Originally posted by KevDavies View Post
                Ive got V-Blade paddles on there atm, be no paddles in a few weeks
                That's the thing about FBL, you can have the stability of 40 gram paddles and the agility of 20 gram paddles.

                Yesterday I took out the (flybarred) SDX and it was a bit gusty and I had removed one of the weight sets in the Hirobo paddles because in calm conditions I like the quicker feel you get from lighter paddles but in the wind I was wishing I had those other weights. (having said that I don't plan to convert the SDX because it has a very good flybarred head and flies about as stable as can be expected for a .50 size heli)
                Kasama, Minicopter, Henseleit, JR, Shape, Beam
                Robbe, RMJ Raptor gasser, powered by
                Spartan, Spirit, BeastX, Kontronik, CY Total-G, DX8

                member of Epsom Downs and Bloobird clubs
                Proud recipient of 7 EGS! and a platinum star

                Comment


                • #9
                  my sdx50 has both sets of weights removed
                  and a high head speed so i get a great responding head and in ff on windy days it still tracks well
                  Hirobo Turbulence D3
                  a bunch of bls servo's and a 701 gyro
                  Powered by an OS91 hz and a MP2
                  Winner of the LHC Scale Cup 2011

                  1/4 scale Vario Bell 47 G3
                  1/3 scale Vario R22
                  2012 LHC Scale Cup Judge
                  member of save the flybar foundation
                  www.alcesterhelicopterclub.bmfa.org
                  sigpic

                  Comment


                  • #10
                    Originally posted by KevDavies View Post
                    Ive got V-Blade paddles on there atm, be no paddles in a few weeks
                    going the mans way

                    nobar

                    or the puffs way
                    gaybar vbar vortex
                    Hirobo Turbulence D3
                    a bunch of bls servo's and a 701 gyro
                    Powered by an OS91 hz and a MP2
                    Winner of the LHC Scale Cup 2011

                    1/4 scale Vario Bell 47 G3
                    1/3 scale Vario R22
                    2012 LHC Scale Cup Judge
                    member of save the flybar foundation
                    www.alcesterhelicopterclub.bmfa.org
                    sigpic

                    Comment


                    • #11
                      Originally posted by electricsceadu View Post
                      my sdx50 has both sets of weights removed
                      and a high head speed so i get a great responding head and in ff on windy days it still tracks well
                      Well it partly depends on what your flybar ratio is and if you're used to FB and making those little micro corrections that become 2nd nature. Mine is set at what I think is the closest it gets to 1 to 1 (it's probably something like 0.7 or 8 to 1) and the dampers are softer than the stock ones, so it is setup in F3C style, hovers great but not super quick cyclics. It still tracks very straight it's just that with only the brass weights in there's a little drift on the aileron axis in wind doing 'big air' type moves and I am realising I'm a bit spoiled to the FBL units making those corrections for me.

                      I am running NHP 620s on the SDX now but it also works very well with the standard Radix 600s. I really want to take the Robbe Dyna-X out now and see how it feels compared to the FBL helis because up to now it has been the most accurate and 'like it's on rails' heli I own.
                      Last edited by trillian; 26-08-2013, 04:09 PM.
                      Kasama, Minicopter, Henseleit, JR, Shape, Beam
                      Robbe, RMJ Raptor gasser, powered by
                      Spartan, Spirit, BeastX, Kontronik, CY Total-G, DX8

                      member of Epsom Downs and Bloobird clubs
                      Proud recipient of 7 EGS! and a platinum star

                      Comment

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