High payload quad

Hi! I'm new to these and I'm on a project to build a quad capable of a 5 kg payload, this seems to be quite high above the normal payloads people desing for, so what would you guys recomend regarding prop and motor selection? as far as I now, a big blade at low rpms is needed, I was thinking maybe a 14 in prop would do the job, but again I'm a noob on this, you guys have any sugestions??

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  • I couldn't get to that page. It may be a temporary issue on my end but I would love to see it.

  • Give this a go. 

    http://www.ecalc.ch/xcoptercalc_e.htm?ecalc

    I punched in some data, and got the below theoretical figures for you.

    3692611127?profile=original

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