Why does the space shuttles SRB burn from the top down instead of bottom up like model rockets?

Question by Travis: Why does the space shuttles SRB burn from the top down instead of bottom up like model rockets?

http://en.wikipedia.org/wiki/Space_Shuttle_Solid_Rocket_Booster

Note the igniter is located near the nose cone on the third picture

Best answer:

Answer by dieter b
Are you shure?To me it seems nonsensical,where would the trust come from unless the burning top would blow out into space everything below it.That of course would cut the mission short.

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One comment on “Why does the space shuttles SRB burn from the top down instead of bottom up like model rockets?
  1. Larry says:

    I see nothing to verify your statement that the SRB was designed to burn propellant from the “top down”. Check out the link I’ve provided for detail on the design & operation of the solid rocket booster engines used by the space shuttle.

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