This is a two part animation -both 16 frames

      Part 1 in PAL 
      Part 2 in DBLPAL

It is a dual cylinder horizontaly opposed (like a v-dubb)
animation showing pistons 1 & 2 working.
educational , so enjoy everyone !

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                59759  131104  45.6% -lh5- aa45 Feb 24  2002 4-stroke_engine2.16fr.dblpal
[generic]                59783  131114  45.6% -lh5- a7fc Feb 24  2002 4-stroke_engine2.16frpal
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         2 files  119542  262218  45.6%            Feb 24  2002