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I didn't ask how much power they were using to push air around.I asked how much power they were delivering to make the plane move forward.
Your numbers don't make sense.When you say "a valveless pulse jet engine will consume as much as 5.5 lb of fuel for every pound of thrust that it generates." what do you mean?5 pounds of fuel per second? per hour? Five pounds, but then no more ever?Similarly you say "If you have a 55 lb thrust pulse jet (14 horsepower equivalent)"Well, it's not equivalent.One is a force and the other is a power.
Once you understand why, you will understand why you can't equate thrust and power.
With regard to the OP, it is true that bypass fans or rocket augmenters can improve static thrust and are effective at low speeds, but have an upper speed limit beyond which they create more drag than additional thrust
The OP has units that are shot to hell.