Weight of engine
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These are the engine weights for Various Jaguars:
Model LBs. Comments
Jaguar V12 680 (57)
Jaguar V12 792 (236) 1986 model
Jaguar V12 640 (186) "test bed condition"
Jaguar/Orbital 3.2 V6 359 (61) supercharged two stroke
Jaguar 4.2L six 604 (105)
Jaguar XJ220 V6 427 (73) complete w/turbos, wiring
Jaguar AJ6 4.0L 531 (118)
Jaguar AJV8 4.0L 441 (118) "fully dressed"
Jaguar 3.4-liter XK 576 (148) 340 sedan, no fan, air cleaner, clutch, and transmission, no fluids, with flywheel, elect. equipment, manifolds.
Jaguar 3.8 six 592 (148) dress as above
Jaguar 4.2 six 605 (148) dress as above
Jaguar 5.3 V12 612 (148) dress as above
Jaguar 5.3 V12 680 (148) fully dressed for installation
Jaguar 3.6 six 430 (186) "test bed condition"
Model LBs. Comments
Jaguar V12 680 (57)
Jaguar V12 792 (236) 1986 model
Jaguar V12 640 (186) "test bed condition"
Jaguar/Orbital 3.2 V6 359 (61) supercharged two stroke
Jaguar 4.2L six 604 (105)
Jaguar XJ220 V6 427 (73) complete w/turbos, wiring
Jaguar AJ6 4.0L 531 (118)
Jaguar AJV8 4.0L 441 (118) "fully dressed"
Jaguar 3.4-liter XK 576 (148) 340 sedan, no fan, air cleaner, clutch, and transmission, no fluids, with flywheel, elect. equipment, manifolds.
Jaguar 3.8 six 592 (148) dress as above
Jaguar 4.2 six 605 (148) dress as above
Jaguar 5.3 V12 612 (148) dress as above
Jaguar 5.3 V12 680 (148) fully dressed for installation
Jaguar 3.6 six 430 (186) "test bed condition"
Last edited by RandyS; 08-06-2022 at 01:28 PM.
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Orbital was and engine similar to Wankel or rotary engines. The Orbital differs from the Wankel rotary engine
in that the center rotor orbits around the “crankshaft” rather than rotating, avoiding the high tip speeds that was
always the bugbear of the Wankel engine. The sliding and hinging vanes separate each working chamber from
the others. While it was light & compact for its capacity, it suffered from poor “cylinder” & combustion chamber
shapes and cooling issues which in the end prevented it from becoming a competitor to the traditional and well
developed conventional piston engine. It never made it to mainstream production in cars but Jaguar considered
this design for a time.
in that the center rotor orbits around the “crankshaft” rather than rotating, avoiding the high tip speeds that was
always the bugbear of the Wankel engine. The sliding and hinging vanes separate each working chamber from
the others. While it was light & compact for its capacity, it suffered from poor “cylinder” & combustion chamber
shapes and cooling issues which in the end prevented it from becoming a competitor to the traditional and well
developed conventional piston engine. It never made it to mainstream production in cars but Jaguar considered
this design for a time.
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