Assembling the Airplane. Once we have the Wing and Power Pod ready, we go ahead and glue them together as in Fig 3.1. Then, we install the control horn on the elevator and run a control rod from the servo to the elevatorâs control horn as in Fig 3.2. We follow the same step for the rudder (Fig 3.3).
What Causes Heartburn? Heartburn typically occurs when contents from the stomach back up into the esophagus. The esophagus is a tube that carries food and fluids from the mouth into the stomach. Your esophagus connects to your stomach at a juncture known as the cardiac or lower esophageal sphincter.
Heartburn occurs when stomach acid backs up into the tube that carries food from your mouth to your stomach (esophagus). Normally when you swallow, a band of muscle around the bottom of your esophagus (lower esophageal sphincter) relaxes to allow food and liquid to flow down into your stomach.f the lower esophageal sphincter relaxes abnormally or weakens, stomach acid can flow back up into your esophagus (acid reflux) and cause heartburn. The acid backup may be worse when you're bent over or lying down. 1  Symptoms.