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Information on the installation of Franklin 6A4-165-B3 165hp engine and rudder bungee on Stinson 108 and 108-1 airplanes.
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Information on the required considerable re-design of the aircraft structure to accommodate the increased gross weight and higher engine horsepower when converting a Stinson Model 108 to Model 108-1 or -2.
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Instructions for inspecting batteries and battery boxes in order to eliminate costly replacement charges.
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Under certain conditions, engine failure can occur directly after take-off due to lack of fuel in seaplanes equipped with wing fuel tanks.
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In order to prevent early engine wear, resulting from the entrance of foreign matter through the carburetor induction system, we strongly recommend that carburetor air filters be inspected daily when the airplane is operated under very dusty conditions.
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The described procedure provides the best performance and observance of proper mixture control will materially decrease fuel consumption.
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It is recommended that the radio be turned off during the time that the engine starter is being used.
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Procedure for repairing paint failure on metal surfaces.
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Listing of the types and quantity of Tinnerman nuts used per plane.
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We would like to become more closely acquainted with what is happening in the field particularly with respect to accidents. Form 19-P-40 has been developed for reporting to the factory on such accidents.