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  1. Agreed. In today's dollars, that's probably not...

    Agreed. In today's dollars, that's probably not much diferent than the cost back in the day - and Dan is offering to do more.

    If I had known there might be an easy way to use it, I would have...
  2. See:...

    See: http://www.rocketryforum.com/showthread.php?54837-HPR-Launch-at-KSC-Pad-39A

    -- Roger
  3. Thread: pvc air frame

    by jadebox
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    161

    While it may not be terribly dangerous to use as...

    While it may not be terribly dangerous to use as an airframe, the suggestion that it is "as safe as anything else" is obviously wrong. If anything, broken pieces will tend to be sharp. That's not...
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    I haven't used one of those, but I have a cheap...

    I haven't used one of those, but I have a cheap one from Wal-Mart that cost about the same price and it's actually not bad. It's not as sturdy as the Ez-Up we had for years and it doesn't have the...
  5. I know of one ex-shuttle engineer who is working...

    I know of one ex-shuttle engineer who is working part-time teaching other rocket engineers to build and fly high-power rockets!

    -- Roger
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    Sorry, I wasn't commenting specifically about the...

    Sorry, I wasn't commenting specifically about the canopy you bought. I'm not familiar with it.

    I just didn't want people to assume that a steel frame is always better just because it's steel.
    ...
  7. Replies
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    A steel frame isn't necessarily stronger than...

    A steel frame isn't necessarily stronger than aluminum. It depends on the quality of the steel and the design of the canopy. The less expensive canopies use steel frames. They use thinner steel to...
  8. Thread: pvc air frame

    by jadebox
    Replies
    9
    Views
    161

    The problem is that, unlike the materials we...

    The problem is that, unlike the materials we usually use for our rockets, PVC, on impact, may break into tiny pieces, creating sharp shards that can be dangerous.

    -- Roger
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    There is no parachute shape that will drift more...

    There is no parachute shape that will drift more or less than any other shape. The only things that have any effect on the average distance that the rocket will drift are how long it falls and how...
  10. Thread: Storage unit

    by jadebox
    Replies
    15
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    336

    A couple of weeks ago, I went online to update...

    A couple of weeks ago, I went online to update the credit card info for our storage unit. The web site displayed a link that said something like "Need more space? Upgrade today!"

    So, I clicked on...
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    For my YouBee...

    For my YouBee, I attached a thin piece of wood to the outside of the rocket. Then I used well nuts to attach the rail buttons to the wood and the body tube.
    ...
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    Also, motors which produce significant sparks are...

    Also, motors which produce significant sparks are High Power.

    -- Roger
  13. Replies
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    Wasn't NFPA 1125 revised to set the limit for...

    Wasn't NFPA 1125 revised to set the limit for model rocket motors to 125g?

    -- Roger
  14. Replies
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    Our cruise stopped there. It was the best place...

    Our cruise stopped there. It was the best place we've visited during a cruise. Unfortunately, they were already starting construction on the new port area so, by now, it probably looks like all the...
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    The link I posted earlier describes how to set up...

    The link I posted earlier describes how to set up your email client program to use GMAIL's server to send the email. You don't need to use the web interface. I use an account set up like that for...
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    One of the reasons that I join many others in...

    One of the reasons that I join many others in promoting rocketry as a fun and educational hobby for young kids is that I learned a lot about math and physics long before I took classes that covered...
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    Garsh ... I was just picking on you a little. ...

    Garsh ... I was just picking on you a little. (And, at least you know how to spell "Mercury.") :-)

    Hey ... a really cool thing about the EX-F1 is that it's the only electronic thing I ever bought...
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    That's a good ... uhh ... point. :-) By the...

    That's a good ... uhh ... point. :-)

    By the way, this subject is a little dear, and almost much too near, to my heart. At one launch a five-foot long section of a rocket came in ballistic and...
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    Oh ... the bit at the end of my ROCK video above...

    Oh ... the bit at the end of my ROCK video above is a tribute to the Mythbusters. During their live show, they demonstrated the use of high-speed video by recording an audience member blowing a...
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    Hmm. Never heard of this Casio EF-X1, I have. ...

    Hmm. Never heard of this Casio EF-X1, I have.

    But, I often use my Casio EX-F1 for rocketry photos and videos .....

    Using the Casio EX-F1 to Photograph Rocket Launches

    Many of the photos...
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    You can file the MESS report at: ...

    You can file the MESS report at:

    http://www.motorcato.org/MESSForm.aspx

    -- Roger
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    I'm not sure if getting into a car is a good...

    I'm not sure if getting into a car is a good idea. I've seen a small rocket go through the roof of a car. At least outside you have the chance of stepping aside. In a car, you have little room to...
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    The parachutes people use also open slowly. They...

    The parachutes people use also open slowly. They slow the fall down somewhat before they fully open to lessen the shock on the system (and the person).

    -- Roger
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    The best thing to do is to stand still and look...

    The best thing to do is to stand still and look up. You're as likely to get hit running away as you are standing still and not looking. You're also more likely to trip and hurt yourself or block...
  25. Below is a link to a post I made on the subject a...

    Below is a link to a post I made on the subject a while back:

    http://www.rocketryforum.com/showthread.php?31246-Reduce-spin&p=286058#post286058

    The thread includes some good suggestions.

    --...
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    Here's a photo from one of our ROCK launches near...

    Here's a photo from one of our ROCK launches near Orlando:


    http://www.rocketreviews.com/image-another-visitor-600-600-033313093404113.jpg


    -- Roger
  27. Replies
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    Here are a few that I can think of ... Gorilla...

    Here are a few that I can think of ...

    Gorilla Motors
    JonRocket.com
    Rocketarium
    Odd'l Rockets
    Rockets R Us
    Tom's Rocket Gear
    Bernie Lalime
    A number of hobby shops and craft stores ...
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    I recall seeing her on one of those "Candid...

    I recall seeing her on one of those "Candid Camera" types of shows that preyed on celebrities instead of "ordinary people." The setup was that she was at dinner with friends and someone she didn't...
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    One of my favorite moments is in the episode...

    One of my favorite moments is in the episode titled Good Grief!," George-Michael is seen walking down the sidewalk, hanging his head down since he's sad. The melancholy version of the music from the...
  30. At the risk of adding another useless response...

    At the risk of adding another useless response .... :-)

    That's why I stick to 4" diameter and larger rockets now!

    Seriously, though, it may be easier to leave the quick link in place and...
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