Link to AXI manufacturer's page:
http://www.modelmotors.cz/index.php?id=en&nc=produkty_vypis&kategorie=m_neod ym_ac&id_rady=axi_28&id_produktu=axi_2826_10&nazev _rady=Series%20AXI%2028%20GOLD%20LINE&hmotnost_rad y=(78%20-%20161%20g)

for example:
12x8 prop, on 4S 2P Kokam 2000 battery, at 46.2A, for 8780 rpm.

Your ESC might prefer a little smaller prop
12x6,5 prop, on 4x 2p Kokam 2000, at 41,7, for 9260 rpm

I think a plane around 1.5 to 2 kg (3 or 4 lbs) all up should work OK.