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Retiring Science Teacher Uses Model Rockets To Bond With Students

By Michael Abeyta

DENVER (CBS4) – In a field outside of South High School on Friday, Steele Elementary fourth-graders got a lesson hundreds of kids have heard before. 324 more words

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Building the [scratch] Mega Sprite (part 9)

Sorry about how long it’s been since I updated you on this project. Here’s where it’s progressed to:

So yeah. Into the trash with it. I did such a sloppy job making and mounting the fins that I decided to go right back to square two. 142 more words

Model Rockets

Building the [scratch] Mega Sprite (part 8)

I trimmed the tabs on the fins, and then trimmed the fins themselves. The former I did with a hobby knife. The latter, due to the CA I’d put on the tip edges, I shaved off with a band saw. 210 more words

Model Rockets

Building the [scratch] Mega Sprite (part 7)

Perhaps you noticed my blunder before I did. By treating the tip edges of the fins with CA, I ended up with non porous surfaces where the tip pieces are supposed to be glued on. 163 more words

Model Rockets

Building the [scratch] Mega Sprite (part 6)

The fin centers aren’t papered (I guess that’s kinda obvious) so were done a bit more conventionally. The one unusual thing was that I cut the interior weight reducing holes by hand, that is, without a straightedge. 162 more words

Model Rockets

Building the [scratch] Mega Sprite (part 5)

I’m reasonably happy with the ring fin. There were some little gaps along the edges between layers but some yellow glue seems to have filled those pretty well. 155 more words

Model Rockets

Building the [scratch] Mega Sprite (part 4)

I bought a piece of balsa. It came from Michael’s and I’m not terribly impressed with it; it’s rather warped. Still, it’s only going to be a thin skin on a thicker, flatter piece, so I think it’ll be all right by the time I’m done. 445 more words

Model Rockets