The Battery's are racing pack types, high C ratings, two 7.2 volts in series. (Stops voltage drop when used on high drain models.)
Gear box ratio 2.5/1 metal inline set up.
The brass prop used is a Raboesh Type 146 - 16, torgue on system drive being too great for nylon type props. Model speed given is only an estimeted one.
The model is a bit heavy for it's length due to hull repairs required over the last 53 years.
See write up in fireboat listings. (Motor: Johnson High Speed 20,000 RPM. @ 12V.) (ESC: Electronize 43HX 15 Amp) (10/10)