Rolls-Royce Merlin XX
Inside a 1/5th Scale Rolls-Royce Merlin XX
by Barry Hares
| This engine has a 1.00" bore and 1.20" stroke, for a displacement of 11.31 in3. Construction started in July 1976 and was completed in December 1981. There were significant problems with the operational miniature magnetos, carburetor and fuel system. Over 7,000 parts comprise the engine, and over 6,000 hours were required to complete it. |
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| Rolls-Royce Merlin XX | Reduction Gear | Reduction Gear | Forward Auxiliary Drive | Crank, Crankcase | Crankcase Detail | Crank, Rods, Pistons | Rods, Pistons | Crankcase |
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| Crankcase | Crankcase | Crankcase | Cylinder Block | Cylinder Block | Cylinder Block | Cylinder Block | Cylinder Block | Cylinder Block |
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| Cams, Rockers | Cams, Rockers | Combustion Chambers | Intake Manifolds | Intake Manifolds | Coolant Tubes | Exhaust Manifold | Sump | Lower Auxiliary Drive |
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| Wheelcase | Wheelcase | Supercharger Drive | Supercharger Drive | Supercharger Drive | Supercharger Drive | Wheelcase | Wheelcase | >Wheelcase |
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| Supercharger | Supercharger | Supercharger | Oil Pump | Rolls-Royce Merlin XX | Rolls-Royce Merlin XX | Rolls-Royce Merlin XX |
See Barry Hares' Merlin Run (5.1M mpg)
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