Soup :: Soup Tested: 2008 Ducati 848 :: 01-04-2008

20 Мар 2015 | Author: | Комментарии к записи Soup :: Soup Tested: 2008 Ducati 848 :: 01-04-2008 отключены
Ducati 848

Trickle-Down Technology: Engineering For and You.

Many years ago I had the to straddle a very special it was one of Phil Schilling’s prized The initial intent of my exercise was to meet Phil, see and admire his What I left with was a admiration for the complex engineering has always been a trademark of motorcycles.

This particular was purpose built to win the 1958 World Championship with other than Mike aboard. I distinctly remember how it was, and what stood out was a oversized cylinder head actually enclosed its three Desmodromic overhead camshafts. complex, the small Desmo to be made for one purpose, to win a World

Obviously Ducati has always a company with an intense and clear intent for each of the it creates, and the more racing the bike, the more focused the The immense amount of engineering went into the development of new 848 has resulted in a bike that implements technology that the just released 1098. may have made it look in winning the Moto GP championship, but the scenes lay a labyrinth of knowledge both at the race track with cutting edge development tools and strategies at the factory.

The 1958 Works 125 was developed drafting boards and blue and an indescribable amount of ingenuity by the engineer Dr. Taglioni. The new 848 underwent engineering revisions and iterations computerized modeling.

A process which an engineer can, the movement of his computer mouse, and the aid of complex three dimensional programs, simulate the outcome of part of the motorcycle including new designs and processes, integrity of thickness at critical high points, air/fuel flow via valve sizes, cam duration, timing overlap, combustion and valve angles, length and of intake tracks, injector and placement. The complexity can make head hurt, and as you can imagine, the iterations could be endless.

Sairu, Ducati’s Engine Manager and his team were focused on what the 848 was to deliver to the and while the process is immensely the outcome is a motorcycle that so proficient and competent in delivering to the rider a balance of intoxicating and real world flexibility.

The race track provided world knowledge from the new GP07 championship winning this combined with the computer simulations and very engineers, Ducati has produced a that deserves to be looked at a much more discerning When ridden, remember the smile on your face is a of decades of focus, determination and in a beautifully simplistic, yet immensely desmodromic valve actuation just as Taglioni utilized 50 years ago.

The methodology to their design goals may changed, but the outcome has not. The change being that in you had to be a Mike Hailwood just to the honor to race the bike, you can walk into your Ducati shop and buy the latest in wizardry in the new 848.

Proof is in the not only with how evolved engine is from the just-released but with the stout 134 crank at 10,000 rpm and over 70 ft. lbs. of at 8250 rpm that the new engine Combine this with a dry of 369 lbs-which is a full 44 lbs. than the outgoing 749 and 11 lbs. than the 1098-and the results are a and very entertaining ride, to say the With 70% of the engine being from the 1098, it was obvious, before riding the bike, Ducati is very serious introducing to the discerning market a that should be included on any short list regardless of

First impressions can be very if the design and development criteria been met, so it was apparent it was going to be a fun day when, coming out of pit the front wheel lofted after clicking second then, with what to be little effort, flicked a fast but tight turn The Almeria track is an undulating made up of 14 turns with two moderate straights, which that you are almost constantly on braking, corner lines, and transitions.

Throughout the day’s sessions, it very clear that the magic lay in the development of the engine. turn one brought me over a hill down into a right turn, then flicking into a fast, but left turn that had my on the pegs, as grip and stability almost a second thought.

A before this trip I had a warm-up day on a 1098S, for which I was as this 848 felt like a even smaller bike to even on this demanding When I asked how the 848, dimensionally almost identical to the could feel so lively left to right and back such ease, Marco carefully explained that had removed 36.8% of the reciprocating

In other words, the rotational of the crankshaft, piston/conrod, primary flywheel, and rotor (which is 46% less than the 1098 and 749R) have been so much that the effects of rapidly moving mass on the is this agile, almost feel. Over the past few many articles have written on how the factories have experimenting with the center of on the new breed of GP bikes.

The trickle-down benefit to the 848 is the C of G being 3.3mm closer to the center of the crankshaft and 7mm higher. When you this with the reduction in rotational inertia, you get a sportbike handles more like my bike than a modern, legal streetbike.

Compared to the the crankcases employ a new casting called Vacural, which is a diecasting technology that Marco and his team to remove 6.5 full twenty-five percent of of the crankcases alone. In tandem FEA (finite element analysis), the were able to reduce thickness of the castings by as much as from 6mm at the thickest points to 3mm in load-bearing areas.

Another of this new casting technique is it provides a denser, tighter with minimal voids in the Upon visual inspection, it was to see in the telltale Testastretta deep that the finish was very and almost glass like.

Also unique was the utilization of around the critical crankshaft area, where there is a of thinwall material and a unique webbing spreading out from the of the bearing area, allowing for strength but, yet again, the target weight reduction. lesson of less is more. all this with a thirteen lighter crankshaft and a new wet clutch is twenty-nine percent lighter the usual dry clutch application on sportbikes, and the result is a bike has a better power-to-weight ratio the potent 999.


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