Recent content by Mark D Larsen

  1. M

    Bernoulli s Principal would a fan matter?

    Bernoulli"s Principal would a fan matter? If you have air moving through a 3' tube connected to a 1' tube with a taperd connection. Than the pressure in the 3' tube would be greater than the 1' tube due to the speed in the 1' tube being higher than the 3' tube, correct? Then if you put a...
  2. M

    Pressures in front and behind LP fan on jet engine

    Here's a drawling of the engine. Figure 7-71-1 http://www.smartcockpit.com/data/pdfs/plane/gulfstream/G150/systems/G150-ENGINES.pdf The two areas in question are just under the letters T & R in full span stator. "How would you explain the compression stage of the engine then?" The air in the...
  3. M

    Pressures in front and behind LP fan on jet engine

    I still thought that Bernoullis principle states that increasing speed decreases pressure. If the pressure behind the fan is lower than in front of the fan then the air should travel to the low pressure? I thought that the only way to increase pressure was to slow air down. Just behind the...
  4. M

    Pressures in front and behind LP fan on jet engine

    My friends (all A&P Aircraft mechanics) say I'm nuts. A co-worker and I attended a Honneywell TFE731 jet engine maintenance school. During the class the instructor asked this question, "which side of the front fan on a TFE731 engine has the highest pressure?" His answer was the front. (we are...
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