The Lifter1 Thrust Analysis
By Jean-Louis Naudin
created on October 20th, 2001 - JLN Labs - Last update October 20th, 2001
All informations in this page are published free and are intended for private/educational purposes and not for commercial applications

The purpose of this experiment is to measure the parameters such as the speed, the acceleration and the G Factor during the Lift Off of the Lifter1.

The Lift Off datas have been collected from a recorded movie. I have used the motion video data analysis freeware program, PhysVis version 1.4.1. PhysVis is a freeware wrote at the Department of Physics at Kenyon College by David Cowart. You will find below a screenshot of this motion video program in action during the Lifter1 motion analysis.

Lifter1 Thrust Analysis results :

With the height datas Vs the time it is easy to calculate the speed ( see below )

With the Speed datas Vs the time it is easy to calculate the Lifter1 Acceleration ( see below )

The most interesting fact is that the acceleration increases with the time

After 0.103 second the upward G factor of the Lifter1 is 1.286

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