1) D2830-3500 KV : 3500 , Voltage : 11.1v ,  Prop : 4.75x4.75,  Current : 30A , Speed : 22000rpm , Pull :  450g ,  Max current ＜60s : 33A , Application p: 450#heli 2) D2830-800 KV : 800 , Voltage : 11.1v ,  Prop : 0947 ,  Current : 11A , Speed : 7100rpm , Pull :  600g ,  Max current ＜60s : 12A , Application p: 1m plane