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Thread: "DOWNWIND" - Windrider Scout Bee : 60 Inch

  1. #21
    could quit if I wanted to volto's Avatar
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    show off.

  2. #22
    bonafidepirate Keith's Avatar
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    Awww, y'all are so cute together.... haha
    AKA Bonafidepirate

  3. #23
    I Like Waffles... SENTRY's Avatar
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    Just some 3rd person footage for the new wing and the super easy launch routine. Flown FPV of course all the way to the landing, but didn't turn on ground recording.

    Launch



    Flying FPV around the field...


    Landing - even with the 10mil and 5mil lam (VERY solid and rugged), this shows you how light/docile this wing is (when the weeds reached out and ****ed up my FPV landing) - LOL.

    Last edited by SENTRY; 2nd September 2011 at 10:44 PM.
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  4. #24
    I Like Waffles... SENTRY's Avatar
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    EDIT ^^
    "I Like Waffles" : FPVLab on Facebook and FPVLab on Twitter

  5. #25
    unplugged
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    Launch Looks Just super smooth! very nice.

    My 2 cents on the folder prop. . . I have had 2 wings 1 Zeph with folder and 1 TL50 with Straight prop.
    Zeph thick and slow airfoil. . . TL50 thin and fast airfoil.
    With the airbrake on and folder the zeph glides WAAAYYYYY further than the TL50 with a straight prop.
    Zeph 6 or 7 to 1 glide ratio. (i have done it)
    Tl50 felt like the prop acted like an air brake with throttle off.

  6. #26
    bonafidepirate Keith's Avatar
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    Nice! I'd still be scared of the prop when launching it though... lol

    Isn't that a 500mW 2.4GHz Lawmate on there? I've had a hell of a time getting clear video from mine. Other than that it's a great vTX. The stock regulator it comes with (that's built into the cable) puts a lot of noise into the video, as did all 3 BECs I tried. I also tried all 4 options with an LC filter which did help, but didn't clear up up completely with any of them. I ended up building a linear regulator which gives crystal clear video, but it's based on a 7805, and running on 3-cells the reg. gets HOT! Even with a heatsink... I'd imagine it's pretty inefficient too. If you find a good way to supply clean power to it, let me know!
    AKA Bonafidepirate

  7. #27
    Moderator Derek_S's Avatar
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    The landing was not you, it was the damn bushes. They need to mow that chit...........

    So at least we know a 7805 will(should) give use clean video... I have used them before too and they get super hot, but whatchya gonna do? Maybe we can try that next.

  8. #28
    Moderator Derek_S's Avatar
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    Quote Originally Posted by Keith View Post
    Nice! I'd still be scared of the prop when launching it though... lol

    Isn't that a 500mW 2.4GHz Lawmate on there? I've had a hell of a time getting clear video from mine. Other than that it's a great vTX. The stock regulator it comes with (that's built into the cable) puts a lot of noise into the video, as did all 3 BECs I tried. I also tried all 4 options with an LC filter which did help, but didn't clear up up completely with any of them. I ended up building a linear regulator which gives crystal clear video, but it's based on a 7805, and running on 3-cells the reg. gets HOT! Even with a heatsink... I'd imagine it's pretty inefficient too. If you find a good way to supply clean power to it, let me know!
    Ever considered running it on the balance plug but only at 2s..? Another option is to use 2 7805s in parallel, so they split the current load, but I am not sure if that is viable or a good solution either....
    Last edited by Derek_S; 2nd September 2011 at 11:06 PM.

  9. #29
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    A possible solution to cool down the 7805 is to series 4- 1n4001 diodes in front of the regulator. 12v___-diode-diode-diode-diode (about 8v)______7805 regulator.
    Doing this has worked for me with a couple of applications including my GCS which gets no airflow. It seems the heat is dissipated through the diodes better than the regulator. . finishing with the 7805 ensures a consistent 5v throughout the entire battery life. Unless Sentry tries to run main batts it down to 5v again. LOL the regulator still gets warm but not as nearly as bad without that the heat scared me.

  10. #30
    Moderator Derek_S's Avatar
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    Yeah, that would work or even a resistor to dissipate some heat, maybe a 1/2w size one, but not sure of the ohms off the top of my head. Something to drop V down some..

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