Yes nice model mate one of my club mates is building that kit too. I almost bought one myself then I got the scratchbuilding bug an made my own!!
Put my Turnigy Wattmeter on the Tug this afternoon for a power/ampage test, I was stunned by how little current the Pittman motors draw!! The pair of them running off one ESC @ 24volts!!
only draw a maximum of 0.89Amps!! and about 25watts (at Full Power).
They R great motor's and would do well in a big slow tanker/cargo ship model turning a pair of big props Hmmm I may have 2 draw something up....
As I stated in an earlier post the tug will have to be re-powered with either direct drive or 3:1 planetary gearbox & 555 sized motor's.