This caught my attention.

[TotalPackage]

http://www.hobbycity.com/hobbyking/store/uh_viewItem.asp?idProduct=14427&Product_Name=Turnigy_CA120-70_Brushless_Outrunner__(100cc_eq)#

I know its a low kv but it can take 70 volts and brags of 17kw. I was thinking an overdrive gearbox or a big 22 series prop.The case alone is worth it. You could rewind it for a higher kv. The construction is right an exact tho.

[F1 madness]

Yeah seen this baby the other day and got me thinking,would be great in a 5ft drag boat and a huge prop a little somthing like this LOL