> However since your circuit is intended for a model rocket,
> rugged is a valid consideration in this case.  I think a resonator
> is the right choice in this case

I believe someone mentioned a long while back that a crystal
with the wrong physical orientation on the board will fail or
misbehave when the rocket accelerates. ISTR that the top of
the casing should be pointed in the direction of travel

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist