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http://www.ultralightnews.com/hirth-engines.htm Page 27 of 30
Home of the L'il Hustler SS
12.Exhaust System
Detailed below are the three basic exhaust versions suitable for the 2703 engine. It is extremely important to
note the distance where the diffuser is inserted into the silencer. On the 2703 engine, the distance of "I" is
30mm therefore the diffuser MUST be inserted completely into the silencer then withdrawn 30mm.
1x 278 E19U Connection Bow
Ver. 1 1x 278 T19U Diffuser cone (straight) l = 30 mm
or Ver. 2 1x 278 T20U Elbow (90°) l = 30 mm
or Ver. 3 1x 278 T21U Elbow (180°) l = 30 mm
1x 278 E4U Silencer
Version 1 (Straight Version):
Version 2 (90° Elbow Version):
Version 3 (180° ElbowVersion):
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