ORIGINAL: astrecord
bought one of these-http://www.nitroplanes.com/93a275-800p51-yellow-rtf-24g.html , what to up grade the motor and the prop , thinking about the motor -http://www.hobbypartz.com/75m40-optima400-2215-1200kv.html#scProductReviews , but i don't know what size of prop top used
The chart in the link says the test prop was 1060 which is 10 inch diameter and 6 inch pitch.