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Scale 50% Dalotel 165

Discussion in 'Giant / Scale Scratch and Kit Build Threads' started by Forgues-Research, Aug 16, 2014.

   
  1. stangflyer

    stangflyer I like 'em "BIG"!

    Maybe just a little. LOL
     
  2. Forgues-Research

    Forgues-Research 150cc

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    Replacing the servos with 50kg brushless high voltage BlueBird servos, The one here is on aileron
     

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    Alky6, 49dimes, dhal22 and 1 other person like this.
  3. stangflyer

    stangflyer I like 'em "BIG"!

    I've been hearing a lot of big names using the Bluebird servos lately. I was under the impression they were lower quality servo in the past. What do you think of them? Have you used them before? I know that @49dimes is a firm believer in them and I have been tempted to give them a try once he gave them a solid endorsement. (Oh my, does this indicate I trust his judgement?) LOL. I just have a really hard time swapping out to an unknown when all the programmability and functionality of the Hitec servos are pretty much top notch. Then again, there is always MKS and Savox too. But for the price, I am very interested in the robustness and the longevity of the Bluebird.
     
    Alky6, Forgues-Research and 49dimes like this.
  4. 49dimes

    49dimes Damn I'm hungry

    A friend and fellow modeler who past away several years ago scratched built and flew quarter scale Dalotel's. His name is Mr. Richard Herman. He used Saito 270's for power. "Not scale" as he used to say "but the power and sound makes it scale like in the air" he would further say. I was a fairly young pilot back then but got to fly his rendering of this aircraft. Very soft and graceful but would tumble and lomcevak almost effortlessly as I recall. Flew on the wing quite well. Much like the Zlin 50. Of course I have no idea how a 50 center of this plane flies but I can't imagine it not flying well. You definitely have enough servo muscle for those large and heavier control surfaces. As far as Rob actually taking my advice??? Uhm Hmn.......sure he does :rolleyes:. lol
     
    Forgues-Research and stangflyer like this.
  5. Forgues-Research

    Forgues-Research 150cc

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    I have not used them yet, but a good friend of mine in Israel, who by the way was a pilot last TopGun, uses them in his jets with great success..
    I have no doubt about them what's so ever and with this power of servos, the final gearing is also Helical gears.
     
    49dimes and stangflyer like this.
  6. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Not a lot of experience with these servos but had 2 of the 50 kg units did some testing with them. Hung a 40 kg weight on a 3/4 arm and let it cycle for 20 minuets. The unit got very hot cold barely hold it but before the 20 minutes were up the connector melted of the wires, luckily it do not short out. But the servo never failed or slowed down. Only conclusion I have for you is make dam sure the servo get good cooling and change the connector.
     
    49dimes and Forgues-Research like this.
  7. Forgues-Research

    Forgues-Research 150cc

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    I agree with you but remember never will anyone pull 40kg non stop for 20 minutes, So any normal or even hard work in a model will not be stressed like this , but good point
     
    Alky6, stangflyer and 49dimes like this.
  8. 49dimes

    49dimes Damn I'm hungry

    FYI......The heating problems were mainly due to the way the original and V2 units were programmed. They had some "compatibility" problems with some Mfg's radios. All there units now have V3 programming. You don't hear any "digital buzz" any longer and they stay fairly cool but can get warm. They are very powerful and draw a good amount of current ( I have seen one go as high as 9 amps when testing). When I did the second test flight of my Extra 330sc (running 5 of the 50's) I logged a peak load of 42 amps. This was with a 21 pound 50/60cc model. I used 20awg servo extensions to them. The standard connectors seem to be doing ok but I have to agree with @Snoopy1 that a better type of connector would be beneficial. I think MPX style connectors would be a good choice for this.
     
    AKNick, Alky6, stangflyer and 2 others like this.
  9. Forgues-Research

    Forgues-Research 150cc

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    Thanks guys, all good information, I appreciate it
     
    stangflyer and 49dimes like this.
  10. Forgues-Research

    Forgues-Research 150cc

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    I do have a question, why would you run these powerful servos in a 50cc airplane?
     
    stangflyer likes this.
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