I believe the G forces in these 'model' rockets to be MUCH higher than
that. Like 20+ G's.

  ----- Original Message -----
  From: "Tamas Rudnai"
  To: "Microcontroller discussion list - Public."
  Subject: Re: [PIC] Oscilator Problem
  Date: Mon, 11 Dec 2006 21:22:46 +0000


  > 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

  How much is the acceleration? 4G? 6G? This much could be achieved in
  a
  Formula 1 car in the bending, so how would you do do that in there?

  Tamas


  On 12/11/06, Jinx wrote:
  >
  > > 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
  >
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