The efficiency of an electric motor is very much dependent on the operating temperature. If the engine is "cool", the full power is available during the whole trip. The water cooling therefore makes it possible to avoid overheating damage even at a longer, maximum load. Adapters and heat sinks can easily be attached to the housing with a thin layer of silicone glue in the area of the carbons. 44,4 mm 'for PowerPlus 710, with ring
