thanks for the replys the motor was a 400 7.2 version ive had a look and found another motor its and Mtroniks Vision 400
This high torque 380 sized Mabuchi motor comes complete with motor suppression capacitors.
Dimensions : L33.0mm, D28.0mm, Shaft diameter 2.3mm
Voltage, 12V
Off load current: 1.0A
Max current: 45A
RPM:12000RPM
with this prop 2 Blade Racing Propeller 25mm Right Hand M4
2 blades, of hi-impact plastic with precision brass insert. Pitch approx. 0.85 x prop Ø, for high-revving engines.
Propeller Ø 25 mm Pitch 21mm
and i had been running this Graupner Speed 400 7.2V (1794)
The Speed 400 has been developed because of the excellent performances of these small E-motors. They are ideal for direct drive power systems of model boats having one or several motors.
Nominal voltage 7.2V, Operating voltage range 3.6-8.4V
No-load rpm 162 Blade Racing Propeller 35mm Right Hand M4
2 blades, of hi-impact plastic with precision brass insert. Pitch approx. 1.6 x prop Ø, for slow-revving engines.
Propeller Ø 35 mm Pitch 56mm
400, Current drain at max. efficiency 3,3 A
Shaft diameter 2.3mm, Weight 73g
with this prop
2 Blade Racing Propeller 35mm Right Hand M4
2 blades, of hi-impact plastic with precision brass insert. Pitch approx. 1.6 x prop Ø, for slow-revving engines.
Propeller Ø 35 mm Pitch 56mm