New Kds Heli - Chase 350 - Pics And Info

Discussion in 'KDS Model' started by Glen, Apr 30, 2014.

By Glen on Apr 30, 2014 at 3:01 PM
  1. Glen

    Glen Active Member

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    Designed by Australian Engineer - Me :) After 2 yrs of having to keep it hush hush here she is.

    01.jpg 02.jpg 05.jpg 07.jpg 08.jpg 10.jpg
     

Comments

Discussion in 'KDS Model' started by Glen, Apr 30, 2014.

    1. Glen

      Glen Active Member

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      This is under testing and development at the moment. The head pictured has no damping, but this needs to work with all FBL units. I spoke to JaeHong Lee about his experience with it so far, Its good at 2700 and up, but below 2700 its to responsive and harsh (if i understand him correctly)But im guessing he is only flying with the Ebar, Ill be testing with Skookum, vbar, CGY and Helicommand. as well as KDS Ebar. (everything i own)The first prototype i have is great with no damping even at super low headspeed with the skookum.
      Solid is about the only way id be happy to stick with DFC, or at the very least machined plastic/delrin links instead of the alloy thats on it at the moment. Otherwise HPS is my preference.
       
    2. smakmeharder

      smakmeharder Administrator

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      Heres a really really really dumb question. How can it be TOO responsive? if it follows the sticks 100% its perfect
       
    3. Glen

      Glen Active Member

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      Not sure.. Thats my opinion too, .. But thats what i think he meant by "too tight and hard moving"?
      With any luck ill let you know by the end of next week how it performs for me.
       
    4. William

      William Active Member

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      Good read, I am looking forward to seeing it fly too! And hearing how she does with a VBar and the no damping, DFC head... I am neither a fan or critic of either, I just want them to work, whichever it ends up with!
       
    5. 3D Heligod

      3D Heligod Moderator Staff Member

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      Dude @Glen give me a tight hard moving heli anyday and i will show you how to dance! I have never felt a heli that is to tight or too hard
       
    6. feral

      feral Well-Known Member

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      Cant see any system looks full rigid to me
       
    7. feral

      feral Well-Known Member

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      uploadfromtaptalk1400471308587.jpg
      This one is courtesy of Jockstrap Johnny
       
    8. jockstrap

      jockstrap Active Member

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      Here ya go - some more...
       

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    9. jockstrap

      jockstrap Active Member

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      And some more...
       

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    10. feral

      feral Well-Known Member

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      @Glen have you got it yet?

      Im in for 1 dude keen as mustard
       
    11. Glen

      Glen Active Member

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      Ahh man i cant wait to get it! good to see some more pics.... Not yet @feral but I hope hunter got it on its way to me today! Im sure Ill have it this week tho :)
      I really wish they would do the servo mounts in Carbon! lighter, stronger, better crash resistance, looks better?. The main advantage of using alloy is the ability to tap a thread directly into it as apposed to installing threaded sleeves into the carbon.

      The lipo load system has changed significantly since the version you see here. The tray to mount the ESC, RX or whatever is back on the front.,
       
      Last edited: May 19, 2014
    12. feral

      feral Well-Known Member

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      Still rear load?
       
    13. Glen

      Glen Active Member

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      They did an underload setup, more like a thundertiger, Ill post pics as things are finalized but its actually a pretty neat setup. they still insist on the heli been able to run mini tail servos as well as micro. I personally have NO interest in perpetuating mini size servos in this class of heli. The extra size and weight is no longer needed?
      But a micro tail servo can still mount in either location, and when mounted up the front the lipo can come in the rear. Install rails and it could be return to a full rear slide in entry setup, Thats what ill be doing in mine!
      I have designed a system that allows the lipo to be plugged automatically as the lipo slides in. No other way to make that work.
      Ill be having the setup I originally wanted made for me regardless, Its the reason I designed a heli in the first place, to have features I wanted that were not available.
       
    14. feral

      feral Well-Known Member

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      Theres some powerfull micro servos out there and that auto plug in system sounds interesting man
       
    15. jockstrap

      jockstrap Active Member

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      I prefer mini servos so am in favour of them... you can get a budget mini to perform like top micros and thus save a lot of $$$ in the build.

      I really liked the front load lipo and the tray clip.. but have yet to see the rear-load system so can't compare.

      My only query is why the tail grips are so small, most powerful 450's on the market now have much beefier tail grips.

      I'm definitely keen to buy one.. price permitting of course..
       
    16. Glen

      Glen Active Member

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      Fair points jockstrap!
      I didnt mind the front load either, Id prefer it to take front and rear than under and rear. But got to make a choice at some point.
      I kinda don't care any more, Just want my helicopter :)

      They are not the tail grips I designed, I assume (HOPE) they are only there for the early prototype tests.
      These are the ones I designed, Same style as the mains.
      [​IMG]
       

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      Last edited: May 19, 2014
    17. 5Fidy

      5Fidy RIP Jason

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      I want to see one fully kitted out cause once the electronic's go on its Goin to look very
      Busy on there and will the canopy be easy to get on with speedy and wires Etc?
       
    18. The Dude

      The Dude Well-Known Member

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      Agree, I was waiting to see the same thing ..
       
    19. Glen

      Glen Active Member

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      As a neat natzi Most of the changes i made for the second version of the prototype were for wiring and making sure everything could be neat. I went a little overboard it trying to keep the CG high and get the CG as close to the blades as i could for better cyclic. This didnt quite leave enough room to run the wires between the slider tray and the lower bearing block and other components. so i dropped the tray 2mm and raised the main drive components and their bearing blocks etc 1mm, this was partly due to increasing the size / strength of the tail gears, which was the other change..
      There is heap and heaps of room under the canopy for electronics. Or atleast there was in the canopies we designed.. the bi product of aiming for low polar moment means all the components and mass are more centralized resulting in a shorter front end. so the nose of the canopy is empty. This is another concern in having the tail servos at the back of the heli. I designed it so that the correct CG could be achieved with the canopy off. This is with the tail servo in front of the mainshaft. placing a larger tail servo behind the mainshaft will significantly effect this.

      It was quite neat already, just not as good as i want. I have a couple of pics of my first one ill PM anyone interested, but ill leave it to KDS to release final setup pics to the public.

      The tail boom is still set to be Carbon on too!
       
    20. feral

      feral Well-Known Member

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      Pm me them pics please Glen
       

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