11th-12th July 2007

Turning point in the creation
of racing engines:
structural parts made by laser sintering

Ing. Gabriele Tredozi
Special Projects - Senior Technical Director
CRP Racing srl (Italy)
CRP Technology srl (Italy)

ABSTRACT

Besides the numerous non-structural parts made by selective laser sintering that can be found in the Ilmor engine, the 2007 innovation project is a real turning point in the creation of racing engines! If this exceptional R&D should reveal itself to be winning even under extended running conditions, the future of the engine and frame production will have the green light towards really new and interesting delivery times, costs and performances. The new challenge is the optimisation of the CAMSHAFT COVER for the newest Ilmor engine, that will race in the 2007 MotoGP. The CAMSHAFT COVER is the structural part that supports the bearing of the camshaft (camshafts seats, the camshaft usually runs at more or less 19000 rpm), directly applied on the 4 stroke 800cc engine head. Inside there is also the lubricant oil for the timing system. Average working temperature: 130-140 °C.  The improvements this project will achieve are as follows:
1)    Lightness (of the engine head cover. Being on top of the engine, each saved gram means better rideability of the bike, allowing to lower the centre of mass)
2)    Reliability
3)    Fast modifications and production (the possibility to change during the season some features of the part)

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