[PDF] 80 To 100 Hp Stirling Engine Feasibility Study Progress Report No 21 January March 1977 eBook

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Release : 1977
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Ford Motor Company has sponsored research and development of a 170 hp swashplate-type of Stirling engine suitable for application to a passenger car having a curb weight in the neighborhood of 4,600 pounds. The success of this program has justified the need for investigating the application of the Stirling engine to passenger vehicles of smaller size and lighter weight. Progress is reported for the research program which has two tasks. Task I provided for preparation of a report containing an evaluation and presentation of the results of Contractor-financed testing of a Torino passenger car powered by a 170 hp Stirling cycle engine. Task II provides for a feasibility study to evaluate the potential of a Stirling cycle engine for significant improvements in emissions and fuel economy over the present day internal combustion engine, and to develop a concept of an 80 to 100 hp engine design suitable for use in a passenger car in the 2500 to 3000 lb. weight class. The ultimate objective of this and other Ford programs is to develop technology to determine whether it is reasonable to undertake a high volume Stirling engine production program.

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File Size : 38,65 MB
Release : 1976
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Ford Motor Company has sponsored research and development of a 170-hp swashplate-type of Stirling engine suitable for application to a passenger car having a curb weight in the neighborhood of 4600 lb. The success of this application program has justified the need for investigating the application of the Stirling engine to passenger vehicles of smaller size and lighter weight. Progress is reported on a program which has as its objectives two tasks. Task I provides for preparation of a report containing an evaluation and presentation of the results of Contractor-financed testing of a Torino passenger car powered by a 170-hp Stirling cycle engine. Task II provides for the conduct of a feasibility study to evaluate the potential of a Stirling cycle engine for significant improvement in emissions and fuel economy over the present day internal combustion engine, and to develop a concept of an 80- to 100-hp engine design suitable for use in a passenger car in the 2500 to 3000 pound weight class. The ultimate objective of this and ensuing programs is to develop an engine design feasible for high volume production.

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File Size : 39,46 MB
Release : 1976
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Progress is reported for a program to investigate the use of an 80 to 100 hp Stirling engine in a 2500 to 3000 lb. passenger car. The engine was installed in a dynamometer test cell, and dynamometer emissions of HC, CO, and NO/sub x/ were measured. Fuel economy data are also given, and various engine design modifications (seals, fuel system, exhaust gas recirculation system, burner) are discussed. (PMA).

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File Size : 10,17 MB
Release : 1977
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A study was made to evaluate the potential of a Stirling engine for significant improvement in emissions and fuel economy over the present-day internal combustion engine and to initiate, on the basis of the experience gained in the Ford/Philips 170 hp Stirling engine development program, the design of an engine in the 80 to 100 hp range suitable for use in a passenger car in the 2,500 to 3,000 lb weight class. The final report given covers two major tasks. Task I was the Contractor-financed testing of a 170 hp Stirling engine powered Torino passenger vehicle. The fuel economy of the 170 hp Stirling engine-powered Torino approximates that of similar 1977 model year production passenger vehicles in a comparable weight class, with comparable performance. Emissions meet the objective of 0.41/3.4/0.4 grams per mile (HC/CO/NO/sub x/). Task II was a design study of an 80 to 100 hp engine in a passenger car in the 2,500 to 3000 lb weight class based on the 170 hp Torino installation. The baseline vehicle selected for comparison purposes is a 1976 Pinto with a 2.3 liter 4-cylinder engine. The engine is rated 84 hp, with 4 double-acting cylinders, each of 98 cc displacement (4 to 98), and utilizes a swashplate drive. The swashplate Stirling engines did not package well in the compact car. Despite optimization of the engine to achieve minimum length, the Stirling powered compact car was 89 mm (3.5 inches) longer than its Pinto baseline. Fuel economy of the swashplate engine was adversely affected by attempts to fit it within the Pinto engine compartment. The 4 cylinder-dual crankshaft Stirling engine resulted in a very attractive vehicle. The engine packaged within the confines of the Pinto engine compartment. However, the packageable engine did not incorporate the rotary preheater as used on the swashplate engine. Emissions and noise level objectives could be met.