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Changes to Step #26

Edit by Guy Kuo

Edit approved by Guy Kuo


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[title] Bag Flutter Valve Preparation
[* black] You will need a large or medium exam glove, rubber band, a bag penetrator flutter valve fitting, and valve deflector.
[* icon_caution] Cut one of the longest fingers from glove. Select one that is free of wrinkling or creasing near its tip. If the tip has severe creasing or wrinkles, the valve will never shut properly. 2nd pict shows the badly wrinkled end.
[* green] A non-wrinkled end creates a more effective valve.
[* icon_reminder] See video for additional explanation about flutter valve function.
[* black] Cut one of the longest fingers from glove. Stretch its open end over flutter valve fitting. Notice that the glove finger has a natural flatness. Also, the flutter valve penetrator has an elliptical end. Align flatness of glove finger with long axis of valve ellipse.
[* black] Ensure glove finger is advanced past the groove. Secure with a rubber band in the groove.
[* black] Cut off about 2/3 rounded tip of glove finger. After cutting, roll cut portion between your fingers to ensure cut end opens. If finger is cut properly, its end should naturally be flat and nearly closed in absence of airflow.
[* icon_note] Valving action is not intended as the primary inflow protection, continuous positive pressure is the main protection, but valving is important if user takes a very large, forceful inspiration and greatly deflates bag.