POWERTRAIN
of the advantages is undoubtedly the compactness - it is 95mm lower than the Multistrada 1260 twin and 85mm shorter so the positioning inside the chassis is much easier.” It’s also ended up being 1.2kg lighter than its predecessor, with the total bike weight tipping the scales at 215kg. Domenicali continues, “It is
designed for long distances, hence the importance of a very long interval between valve clearance checks, which is 60,000km - this is now the absolute reference in the motorcycle world.” Gianluca Zattoniu is the head of
engine project management. He says, “For the new valve train countless tests have been carried out, ranging from preliminary measurements with laser instruments, strain gauges and load cells, to a motoring test of over a hundred million cycles. That took more than 20 days non-stop.” Vincenzo De Silvio is the R&D
director. He adds, “We were asked to improve its fluidity, its smooth running at slow and medium revs, while improving performance. This led us to consider a number of alternatives to the twin-cylinder arrangement. When we were happy with the lab tests, we
There are many wheel and brake options
❝ The seats are long and flat to allow for longitudinal movements on longer journeys
started sending our testers around the roads of Italy, to ride up to 120,000km on every single vehicle.” Alessandro Valia is Ducati’s official
test rider. He says, “From the very first time I tried the V4 Granturismo I immediately had a feeling of smoothness, a regular thrust that helps the rider manage every situation.
8
www.engineerlive.com
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44
