Thomas Morsellino is a French freelance journalist and photographer, with keen eye for the technical details of MotoGP bikes. You may have seen some of his work on Twitter, where he runs the @Off_Bikes account. Peter Bom is a world championship winning former crew chief, with a deep and abiding knowledge of every aspect of motorcycle racing. Peter has worked with such riders as Cal Crutchlow, Danny Kent, and Stefan Bradl. After every race, MotoMatters.com will be publishing a selection of Tom's photos of MotoGP bikes, together with extensive technical explanations of the details by Peter Bom. MotoMatters.com subscribers will get access to the full resolution photos, which they can download and study in detail, and all of Peter's technical explanations of the photos. Readers who do not support the site will be limited to the 800x600 resolution photos, and an explanation of two photos.
KTM RC 250 R engine (Moto3)
Peter Bom: This engine is tilted backwards for cleaning and maintenance. Note the (orange) caps that keep dirt out of the inlet / exhaust ports during transport and cleaning. The aluminum box on the left is the water / oil intercooler. Here, instead of using an oil cooler, the water from the radiator cools the engine oil.
Gyroscopic sensor on the Ducati fork
Peter Bom: A two-axis acceleration sensor fitted close to the wheel axle of the front fork. Measuring the acceleration forces inline with the fork, together with the suspension stroke sensors, gives the engineers a clear view of the damping qualities of the front fork. The 2nd axis measures the lateral forces that will show understeer.
Dell’Orto ECU used in Moto3 and Dorna unit used for TV
Peter Bom: Note the difference: all the ‘not so neatly’ fitted electronic boxes are there for Dorna TV coverage. Not all bikes in Moto3 have to use them, it’s the price of being successful…
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If you would like to buy a copy of one of thes photos, you can email Thomas Morsellino