Newsgroups: rec.models.rockets
Subject: Re: Help on Rocket Curriculum
Gregg Lind writes:
I am interested in any PowerPoint slides and presentation material on model rocketry. I am planning to have a 2-3 week class, that builds the rocket and launches them. I am also interested in teaching the kids how to judge or measure the height achieved by the rockets. The grade of the kids is 6th grade science class.
From: Eric Gunnerson
Date: Mon, 1 May 2000
I've done a few shorter (4-5 day) classes, 1 1/2 hour/day with 6-12 grade. I don't have any slide suggestions, but I do have some class suggestions.
I usually start by having them build a easy to build (estes level 1) rocket, with the gnome and x-ray being my usual choices. Then, we do a day of launch for that, and then go onto another rocket. If I only have 4 days, I'd go with an assortment of kits; if I have longer, letting them do custom designs is more fun, and a bit more educational. This January I did a class where all the kids did a custom design, which I then simmed on RockSim to make sure they were stable. They had a lot more fun on those than we did the previous years with kits.
For launch, you're going to want to have two pads. I usually split the class into two groups; one to launch, and one to retrieve. It will help things immensely if you prep the engines for them, so you can just hand out an engine with an ignitor already in it. If you don't do this, it will take lots more time, and you'll see around a 40% failure rate on launches.
One year we used the Estes Altitrac to measure the height, which will work well if you have a big enough field. If the field is small, sport flyers on C engines will go high enough to give you pretty big error.
You might also consider trying to do speed measurements; the easiest way would be with a videotape recorder that does single-frame playback, and a known scale behind the pad(s).