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    HP rating on the 9V motor. —Tobbe Arnesson
   HI there! I just watched the video that ships with the 8457 Power Puller and it gives some facts about the real version side by side with the LEGO model. Among other things it claims the HP rating on the model to be 0.0007 HP. I don't know if that's (...) (22 years ago, 24-Oct-02, to lugnet.technic)
   
        Re: HP rating on the 9V motor. —Juergen Stuber
   (...) IIRC 1hp=0.75kW, a lego power motor is 9V*500mA=4.5W, which gives 0.006hp. Jürgen (22 years ago, 24-Oct-02, to lugnet.technic)
   
        Re: HP rating on the 9V motor. —Thomas Avery
   (...) According to the Random Hall Lego Robotics Seminar page ((URL) the peak power of the geared 9V motor is 0.87 watts, or 0.0012 HP. The non-geared (old style) 9V motor puts out 0.37 watts, or 0.00050 HP. Has anyone else performed measurements? (...) (22 years ago, 24-Oct-02, to lugnet.technic)
 

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