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Need Help! Calculate the maximum theoretical thrust.

Discussion in 'Beginners Drone Forum' started by Trapheal, Dec 7, 2017.

  1. Trapheal

    Trapheal New Member

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    Dec 5, 2017
    Nigeria
    Posted by Trapheal, Dec 7, 2017 #1
    I currently trying to build a quadcopter, am having a A2212-6T 2200kv outrunner brushless motor, with a 5000mah 3S 25c li-po battery. The maximum weight I set for the Quadcopter is about 1200g (1.2kg), currently with the battery and frame, am still around 589g.
    Considering the payload capacity of about same as the weight, I would require a thrust of 2.4kg (24N).
    My problem is how do I calculate the maximum thrust generated by the motors with different props (e.g 10×4.5, 7×5, 6×3 etc). I KNOW THE LARGER THE PROP the more thrust generated due to the area, but considering the motors I have, the rpm would be around 24420 I can't tell if that would have an impact on 30A ESC I would want use.
    Please, any help would be appreciated.
    Thanks.
     
  2. Trevcharl

    Trevcharl Member

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    Sep 10, 2017
    Vredenburg
    Posted by Trevcharl, Dec 7, 2017 #2
    I saw a table some where, with props sizes, and motors, with the lifts. I would imagine one could select your combinantion from that? Hope this helps? Cobra 2204 Prop data.jpg
     
    Trapheal likes this.
  3. Trapheal

    Trapheal New Member

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    Dec 5, 2017
    Nigeria
    Posted by Trapheal, Dec 7, 2017 #3
    Thanks alot
     
  4. DrugiLue

    DrugiLue New Member

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    Mar 17, 2021
    Victoria, Florida, USA
    Posted by DrugiLue, Mar 17, 2021 #4
    Hi.... i would suggest to Multiply a motor’s wattage by 3 in order to get a good estimate of its thrust. To be safe, if thrust is not listed for a particular motor, call the manufacturer for more information.
     
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