Yea , the MXV had a HUGE rod and piston mass on the center cylinder - it worked , but effin ugly engineering.
It also had the outer cylinders out of...
The crank with #2 displaced 8 degrees i believe is from an RS 500 that had a V angle of 112 degrees - giving the engine an even 120 firing interval. ...
When I was designing the BSL500 engine , I supervised a PhD project for one of my engineers to do a balance project for the V3 we had decided upon.
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Cheers. One other possible cost I can think of is the public image of the police took a beating now that they were tasked with the unenviable job of...