Description of the NACA Universal Test Engine and Some Test Results (1927)
NASA Technical Reports Server (NTRS) · leaf 8
E TEST RESULTS altered by changing the setting of the valve operating gear train in the usual manner. The inlet valve lift may be changed from 3^ to ^ inch and the exhaust valve lift from ^ to ^ inch. The engine construction provides for the connection of various accessory apparatus such as… … threaded ring, which surrounds the j acket and is Fig. 4.—View of cylinder guide, jacket, and barrel from bottom, with handwheel and mechanism for elTccting change of compression ratio restrained from moving vertically by the guide. Rotation of the ring will, therefore, cause the cylinder and head…
NASA Technical Reports Server (NTRS)
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