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  1. Thread: Rocketry classes

    by jj94
    Replies
    20
    Views
    851

    Hmm. I think I'm set on the School Rocket from...

    Hmm. I think I'm set on the School Rocket from BMS for the younger kids, or for the second graders at least. I think I'll get the dooDad or thingamajig for the first graders. As for the older kids, I...
  2. Thread: Rocketry classes

    by jj94
    Replies
    20
    Views
    851

    Hmm, correction: the classes are an hour and a...

    Hmm, correction: the classes are an hour and a half each. I think I'm set on doing a demo launch for the first class just to get the kids excited and have a tangible goal in mind for them to reach....
  3. Thread: Rocketry classes

    by jj94
    Replies
    20
    Views
    851

    I've been thinking about the Fliskits dooDad for...

    I've been thinking about the Fliskits dooDad for the lower class; I've always been pleased with Fliskits in the past. For the upper class, I may go with the Baby Bertha. These aren't set decisions...
  4. Thread: Rocketry classes

    by jj94
    Replies
    20
    Views
    851

    Rocketry classes

    Hey guys, I'm teaching rocketry classes at my old elementary school. It'll be an extracurricular for the elementary students. I'll only have (4) two hour long classes for this. I'm going to spend the...
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    Oh and to answer your question, OP, I like to cut...

    Oh and to answer your question, OP, I like to cut out the slots by hand with a hobby knife. If I get impatient, I'll hack (carefully) away with a razor saw and clean it up nicely with sandpaper. The...
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    If you're referring to tacking the fins on the...

    If you're referring to tacking the fins on the body tube before fillets, they're both reasonable as long as you use thin layers of glue over the surfaces to be bonded. Obviously, a thicker layer of...
  7. Replies
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    I personally use two short lugs, anywhere from 1...

    I personally use two short lugs, anywhere from 1 to 1.5 inches long. The first one goes way in the rear, many times flush with the aft end of the tube, like Chris said. It became a habit for me to...
  8. Thread: Smooth wood fins

    by jj94
    Replies
    19
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    1,170

    How easy is it to sand this stuff? The main...

    How easy is it to sand this stuff? The main reason why I use FnF or wood putty is that it's so easy to sand.
    By the way, I found that lightweight drywall putty work very well too. It's a bit...
  9. Thread: Fat Boy

    by jj94
    Replies
    49
    Views
    2,688

    What did you use for the rivets? Did you use...

    What did you use for the rivets? Did you use small dots of glue?
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    Or Chrome. I've been using it for i think a year...

    Or Chrome. I've been using it for i think a year and a half now, and I've had zero problems with it. Of the problems I did have, Google fixed them in their later updates.
  11. Replies
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    YES that was the website. I guess they removed...

    YES that was the website. I guess they removed the 6mm reloadable page.
  12. Replies
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    3,898

    You could do reloadable 6mm motors just for fun,...

    You could do reloadable 6mm motors just for fun, but I highly doubt seeing it in retail markets. I've seen a website that had a page dedicated to 6mm reloadables. I forgot the website though, because...
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    I think it's because that, now forgive me here...

    I think it's because that, now forgive me here because I have no clue if I'm right or wrong, the reduced angle of the leading edge proposes a more aerodynamic shape. It won't cause as much turbulence...
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    Thanks. I did look around on Google for the free...

    Thanks. I did look around on Google for the free ones. I'm just afraid of getting viruses and such from them.
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    File Recovery Software?

    Hey, I haven't been too active in a while...kind of lost interest since I haven't been able to do much lately. However...can anyone recommend me a good, reliable file recovery software I can use to...
  16. Thread: New iPod owner

    by jj94
    Replies
    21
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    910

    I have a silver 4GB Nano, 2nd gen. 4 gigs is...

    I have a silver 4GB Nano, 2nd gen. 4 gigs is becoming too small for me, and my iPod is starting to break down. I'm hoping to get, not an iPod, but one of the new Zune HD's soon. I love the interface...
  17. Thread: Airsoft Anyone?

    by jj94
    Replies
    8
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    684

    I just got back from paintballing at Skirmish, in...

    I just got back from paintballing at Skirmish, in PA. It was my second time going, my first time being about two years ago. Great fun...I'm now curious as to how airsoft compares.:D
  18. Thread: KBA G135 Redline

    by jj94
    Replies
    8
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    683

    That motor is banging! Very nice boost. Did that...

    That motor is banging! Very nice boost.
    Did that have some rod whip on it? Weather cocking?
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    That looks very cool. However, I express the same...

    That looks very cool. However, I express the same concerns as powder. Will there be enough airflow through the available space to provide sufficient stabilty?
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    I agree with the above comments. I'd go for three...

    I agree with the above comments. I'd go for three outboards simply for the ease of TTW fin installation. And powder's comment with dry fitting the aft CR is a great tip. I use this exclusively on my...
  21. Thread: Baffle blowout

    by jj94
    Replies
    9
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    805

    How well did you glue the components together? ...

    How well did you glue the components together?

    And by the way, I love the way you laid out the wood for the Vega's finish. :D
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    I could've sworn that there was a thread similar...

    I could've sworn that there was a thread similar to this in the older Rocketry Forum. Here it is - http://www.rocketryforumarchive.com/showthread.php?t=44230
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    I just searched for the tail cones of some of the...

    I just searched for the tail cones of some of the planes you mentioned. I never realized that SR-71's had air inlets like these. http://ctein.com/SR71_Inlets.jpg
  24. Replies
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    Wouldn't you need a constant airflow during the...

    Wouldn't you need a constant airflow during the burn for the augmenter to work on a test stand?
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    What I do to get nice nose cones is to sand with...

    What I do to get nice nose cones is to sand with rough sandpaper to get rid of the raised seam lines or what ever other imperfections there could be in the nose cone. Then I look for areas in which...
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    I'm starting to get interested. When will details...

    I'm starting to get interested. When will details be released?
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    Glad to hear you got some of your missing stuff...

    Glad to hear you got some of your missing stuff back.
    I'm 25 miles north of Philadelphia. Welcome to SE Penn!
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    Oh, I didn't see the caption where it said it was...

    Oh, I didn't see the caption where it said it was with J210's. I couldn't even tell it was Classic though. Looked like some whites. White thunder/white lightning.
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    Wow, that's such a great place to put a camera! I...

    Wow, that's such a great place to put a camera! I love the view you get with it. No interference at all, except for the flames, unlike you would have with a body mounted cam. I'd like to see a video...
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    Love those G53's.:D

    Love those G53's.:D
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