A184938 - OEIS

%I #13 Apr 24 2016 12:37:00

%S 1,9,17,5,13,21,3,11,19,7,15,23,2,10,18,6,14,22,20,8,16,24

%N Tightening order labels for a 24-bolt ring (construction/assembly)

%C Order corresponds to bolts encountered clockwise from top dead center (TDC).  Similar patterns for (fewer) bolts are at the same reference including 20,16,12,8 and 4

%H Piping Designer, <a href="http://piping-designer.com/Bolt_Tightening_Procedure#4_Bolt_Tightening_Sequence">Bolt Tightening Sequence</a>

%e TDC bolt is tightened 1st, the adjacent CW bolt 9th, the next CW bolt 17th, etc

%K easy,nonn,fini,full

%O 1,2

%A _Bill McEachen_, Feb 02 2011