| How To Start A Reciprocating Aircraft Engine (IV) |
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 Pablo Edronkin
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The director then will begin by saying: - "Magnetos off, idle throttle, brakes on." And as he controls visually each item, the pilot will answer: - "Magnetos off…idle…brakes on."  The magneto key should be in any position other than OFF only when the engine may start with no danger for anybody. It is important to stress that the answers of the pilot must not be automatic; that could become a very dangerous habit. The pilot shall answer in a loud voice telling those words only if he has checked visually and appropriately every thing requested. That is, he would not say that the magneto key is off because he so it that way five minutes ago; he must actually check the key again. Be like a paranoid and you will be safe!  Posture that you hsould have when hand propping the engine. The idea of the instructions given is to place the aircraft in a situation in which handling the prop without actually starting the engine will be possible. Then the director will likely move the prop a few times - usually as many as the number of cylinders that the engine has. In this way he will notice if the compression on each cycle performed by each cylinder is okay, and that the propeller is able to turn smoothly. |
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