Interesting Data


Pepperell Jump School

Pepperell Drop Zone is a very social place. They have hundreds of dives every day, so there are always plenty of people there. Since there is a wait between each plane that goes up, people tend to hang around together and talk. It's an enjoyable atmosphere. One thing I find interesting is that many of the jumpmasters live at the airport. The majority of them move to Florida for the winter, but during the spring, summer, and fall, they live in trailers behind the hanger. It's a very friendly, comfortable place.

Here are some facts about freefall. In the stable arch position you reach terminal velocity in about 9-10 seconds. The arch position has a terminal velocity of around 110-120MPH. So, in the arch position, at terminal velocity, you will fall 1,000' every 5-6 seconds! A 9,000' freefall takes 55-61 seconds. A 10,000' freefall takes 60-67 seconds. An extra 1,000' really doesn't add too much time.

Student parachutes travel at a forward air speed of 15MPH when the brakes are not applied. So, students are therefore not allowed to jump when the winds are higher than 14MPH. Experienced people usually use smaller chutes. Many use chutes that travel as fast as 40MPH! Naturally, they are not as restricted, but still do have their limits.


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Web site by Carl P. E. dos Santos (carl@tiac.net).
This page was last modified on Saturday, 05-Oct-96 at 23:15:12.

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