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High school rocket project   Message List  
Reply | Forward Message #29789 of 31434 |
Re: High school rocket project

--- In CDV700CLUB@yahoogroups.com, John Anthony <johnanthony55@...>
wrote:
>
> Chapter 19 on Cosmic Rays (section 19.3) discusses T. Wulf's
> experiment, as well as A. Gockel, who found the decrease in
> electrostatic discharge reversed itself at about 4,500 meters.

Hi John,

That sounds about right from my PM1703 in an airplane.

> I'd have to carry my equipment up to the top of Long's Peak
> to reach that altitude. I guess I could head south to Pike's
> Peak and just drive up...

Yeah, I want to do that some day (Pike's not Long's :-)

> Anyway, another thing I inherited (along with some tritiated
> thymidine I disposed of before I got interested in all this!)
> are some thin sheets of gold leaf. I've been thinking about
> making an electroscope, but the foil is so thin I'm not sure
> how to attach it to a wire without melting it. I have some
> conductive glue I might try...and I suppose if ruin the foil
> it's not like I've lost a treasure, so maybe I should get
> over my hesitation and just build one.
>
> So much to do! Too bad work gets in the way.
>
> - John

I used conductive glue and aluminum foil (I'm a cheapskate :-)

Gary





Fri Jul 10, 2009 3:15 am

hitlong
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Message #29789 of 31434 |
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Last May, my fifteen year old son's High School rocket club competed in a national contest called "Team America Rocketry Challenge". It involved launching a...
m1i8k3e6
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Jul 7, 2009
3:18 am

... Its only a mile high, so atmosphere measures (properties and interaction with insolation) makes sense. ... I didn't know this. It might not be true if...
DH
revtkatt
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Jul 8, 2009
4:33 pm

... DH Thanks for the input. My son wants to pitch it to the club, so we might use your idea as the problem our solution is looking for. You are right about...
m1i8k3e6
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Jul 8, 2009
11:57 pm

... It was fun though, driving the count to 72,000 cpm with a FW saucer! We couldn't get more than that though, not sure what the limitation is. That's 1200...
DH
revtkatt
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Jul 9, 2009
6:24 pm

In a message dated 7/8/2009 5:57:30 P.M. Central Standard Time, loughlin3@... writes: We started doing a little experimentation in this direction...
troglodite@...
injuneer314159
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Jul 9, 2009
12:15 pm

A quick update: Using one PMT and my counter/scaler, I get a BGC of about 8K/min on my formica counter top (2nd story condo). Shielding the PMT on the bottom...
John Anthony
johnanthony55
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Jul 9, 2009
12:56 pm

John, I appreciate your attempt to determine the ratio of terrestrial to cosmic radiation in your BG counts. I am very curious about that. I am reading a...
m1i8k3e6
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Jul 10, 2009
12:43 am

My wife gets a worried look on her face when I start talking about building particle accelerators. She doesn't realize she spent most of her life staring at...
John Anthony
johnanthony55
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Jul 10, 2009
1:38 am

... Hi John, That sounds about right from my PM1703 in an airplane. ... Yeah, I want to do that some day (Pike's not Long's :-) ... I used conductive glue and...
hitlong
Online Now Send Email
Jul 10, 2009
3:15 am

So much to do! Too bad work gets in the way. - John Hi John! There is a saying where I come from: Arbeit versaut den Tag. Roughly translated, work really...
Tom Herman
n1bec
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Jul 10, 2009
2:54 am

I discovered that relationship of altitude vs. gamma readings last year. See the DOC file here: ...
Geo
K0FF
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Jul 10, 2009
2:59 am

... Have you reached the "you bought a ROCK on ebay?!!!" stage?...
DH
revtkatt
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Jul 13, 2009
2:54 pm

John, have you ever thought about checking your condo for radon. You maybe living within a radon belt. When I lived in LA County, West Covina and LaPuente,...
robertdruecker@...
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Jul 9, 2009
2:11 pm

John, I forgot to mention, get a small bottle of activated charcoal at Walmart tropical fish are and put about a half cup under a glass bowl. It will trap some...
robertdruecker@...
Send Email
Jul 9, 2009
2:26 pm

In a message dated 7/9/2009 7:38:29 P.M. Central Standard Time, johnanthony55@... writes: Anyway, another thing I inherited (along with some tritiated...
troglodite@...
injuneer314159
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Jul 10, 2009
12:43 pm

I once built an electroscope using gold foil and just used a _tiny_ drop of superglue to hold it to the support rod. There was sufficient metal-to metal...
wharpt@...
wharpt1
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Jul 10, 2009
4:17 pm

I once built an electroscope using gold foil and just used a _tiny_ drop of superglue to hold it to the support rod. There was sufficient metal-to metal...
Tom Herman
n1bec
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Jul 10, 2009
4:50 pm

... In an old book I have a description of how to attach gold foil to electroscopes, and they suggest saliva as an adhesive. Given the weight of the gold foil...
mirroromatic
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Jul 11, 2009
12:59 am

In a message dated 7/13/2009 8:54:40 A.M. Central Standard Time, revtkatt@... writes: Have you reached the "you bought a ROCK on ebay?!!!" stage? Yeah,...
troglodite@...
injuneer314159
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Jul 13, 2009
2:59 pm
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