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A peek under the hood nicely shows the unusual positioning of the engine – sideways and at a slight angle, which must not have been very popular with maintenance staff. Apart from reducing unwanted moments to a minimum, this approach also allowed for better cooling of the engine – especially during aerobatics and hover – by exposing its entire frontal area to the sideways flow of air through the cowl. This was further assisted by a large cooling fan, one of whose blades can be seen between the oil cooler and No. 2 magneto (the two right-most silver cylinders).