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Soda-bottle rockets
Starting several years ago, when my son was in kindergarten, I’ve made a number of very simple launchers for soda-bottle rockets. It started with a little talk and demonstration of pressure I gave to...
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Soda-bottle rockets used
In my Soda-bottle rockets post, I showed a picture of the very simple soda-bottle rocket launcher I’ve used for the past 10 years (with pointers to the plans for making it). One of the teacher blogs I...
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Soda-bottle rocket simulation
Launcher with empty 1.3 liter bottle. In my Soda-bottle rockets post, I showed a picture of the very simple soda-bottle rocket launcher I’ve used for the past 10 years (with pointers to the plans for...
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Soda-bottle rocket simulation: take 2
Launcher with empty 1.3 liter bottle. In my Soda-bottle rocket simulation post, I posted a buggy version of a water rocket simulation that my students had written, and that I had helped them extend. I...
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Homemade super pulley
In Soda bottle rocket simulation take 2, I mentioned that the authors of one paper used “a thread wrapped around a Pasco super pulley ($24) which is similar to the Vernier ‘Ultra Pulley’ ($24). The...
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Improved super pulley code
In Homemade super pulley, I described the “super pulley” that my son built and that I wrote some Arduino code for. After our preliminary experiments using the super pulley to record the initial parts...
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NASA releases reasons for removing paper rocket activity
In a previous post, I had groused about NASA removing plans for a common compressed-air launcher from their educational web site for “safety reasons” without explaining what the hazards were. (There...
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Soda bottle rockets used again
I had another chance on Tuesday this week to play with soda-bottle water rockets, which I have not done since my son was taking home-school physics and we wrote the timing program for measuring the...
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