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Ducati reveals Variable Valve Timing

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Old 10-15-14, 12:08 PM   #1
PhilipMSPT
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Default Ducati reveals Variable Valve Timing

Ducati Reveals Testastretta DVT Engine w/ Video
Motorcycle.com Blog


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Ducati has introduced a new version of its 1198cc engine featuring a variable timing system. As the name implies, the Testastretta Desmodromic Variable Timing (DVT) engine combines the company’s signature desmo valves with a variable timing system that adjusts both intake and exhaust camshafts. According to Ducati, this represents the first ever application of both technologies for a motorcycle engine.

The DVT system independently adjusts timing on both the intake and exhaust valves using an adjuster fitted on the end of each camshaft. The external housing connects to the cam belt pulley while an internal mechanism connected to the camshaft independently rotates within the housing. This allows for a variable delay between the rotation of the cam belt and the camshaft. The amount of delay (or advance, depending on how you look at it) is controlled by oil pressure in special chambers controlled by a sensor in the cam covers using dedicated valves. Ducati’s parent company Volkswagen uses a similar technology.





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Old 10-16-14, 12:02 AM   #2
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Whatever it does for the bike i'm sure it's great. I just like the name.. Testastretta..
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Old 10-16-14, 09:13 AM   #3
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Quote:
Originally Posted by Hoovey2411 View Post
Whatever it does for the bike i'm sure it's great. I just like the name.. Testastretta..
It translates to "Narrow Head."
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Old 10-16-14, 10:21 AM   #4
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Quote:
Originally Posted by PhilipMSPT View Post
It translates to "Narrow Head."
I see what you did there..

If you translate it Italian to English: Testa Stretta = Head Narrow

Gotta love the English language that flips the wording
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