DUCATI Project 671, Mono 400 cc One-off prototype
Автор: MSR Robi Garage
Загружено: 2023-12-29
Просмотров: 2202
Описание:
DUCATI Project 671, 400 cc, show at Salon Moto Légende 2023, Paris
One-off prototype built by Rémy Monpezat in 2008.
The single-cylinder engine on this machine is the Ducati 671 project developed by Gianluigi Mengoli, Piero Cavazzi and Franco Farne between April and December 1976.
This innovative engine was, quite simply, a study of the future Pantah engine and the father of all belt-driven Ducati engines.
See the interesting links to the abandoned Rollah and Utah projects:
https://www.mcnews.com.au/ducati-350-...
Engine part :
Displacement 406 cc
Bore 86 mm Stroke 70 mm
Desmodromic cylinder head driven by toothed belt in oil.
Inlet valve 40 mm Exhaust valve 38 mm
Timing diagram: 60/90/97/70 ( AOA/RFA/AOE/RFE )
9:1 high-compression Mahle piston
860 GT polished connecting rod
PHF 36 Dell'Orto carburettor
6-speed gearbox
Swingarm axle through engine cases
Silent stainless steel exhaust
Laboratory engine allowing a timing chain to be fitted (boss behind the timing cover)
Compression ratio can be varied (wedge under the timing cover), and a kick system can be fitted (boss on the clutch cover).
Cycle part :
Modified single-cylinder frame, rectangular-section swingarm
Cériani grand prix replica fork, 4-cam drum brake, remanufactured magnesium flanges.
Original rear brake, vintage Koni rear shock absorbers.
Front fender damaged, a spare fender is supplied.
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