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wobble pump

noun, Aeronautics
an auxiliary hand pump for supplying fuel to the carburetor of an aircraft engine when the automatic pumping mechanism fails.
Origin of wobble pump
1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for wobble pump
  • During the engine run, both the engine driven fuel pump and wobble pump provided sufficient fuel pressure to run the engine.
  • The pilot utilized the wobble pump and switched fuel tanks in attempt to restore power without success.

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