A cheaper alternative to that combo would be to get the EDF unit alone:
http://www.airpowernet.com/twe/produ...roducts_id=530 (6mm shaft version for KB-45)
Buy a KB-45 XL motor with a kv that will net you a max of about 30,000 RPM with the desired voltage, and buy my HV-110
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SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz