May 12, 2004

Mutual Assured Destruction of Omaha moment

I had to move a bookcase out of the way to get at the wall where our modem cable enters the house. Afterwards I was inspecting the new cat-5 cables, and noticed a little bit of nature happening right near my feet.

A yellow jacket was buzzing on the floor, caught up in a spider web. Also on the web was the owner, possibly a black widow, darting in and out, doing spider things to subdue the yellow jacket and make it more secure in the web. It was pretty fascinating to watch.

I finally got a spraycan of gloss clearcoat and hosed them both down until all movement stopped. Old joke, but true in this case: they died with a beautiful finish.

Posted by: Ted at 04:46 PM | category: Square Pegs
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PDA's and GPS

Just before I left the Air Force, the unit I was assigned to purchased Geodex systems for every officer. Geodex was similar to DayRunner or File-o-Fax and was basically a notebook full of the myriad details that you needed for life.

Alas, Geodex is no more. This truly sucks because it was one of those instances where the implementation lived up to the promise of the original concept.

Anyways, one officer I worked with didnÂ’t want his Geodex because he already had a system that worked for him, so he gave the whole thing to me to use. I loved it and used it for several years, finally giving it up when I could no longer get the annual refills needed to keep it current.

Since then, IÂ’ve relied on post-it notes, various lists jotted here and there and numerous notebooks and steno pads. Nothing very formal, nothing very organized, but good enough to get by with.

Obviously, I’m not one of those people who runs right out to get the latest and greatest technology. I still don’t have a cell phone, let alone a PDA. A PDA always fell under the category of ‘nice to have’ – if I ever had a few hundred dollars to spare. Being married with teenagers in the house, you can imagine how often that happens.

GPS was kind of interesting, but for me the main idea would be using it to triangulate the position of a rocket when it landed, hopefully cutting down the time spent searching for rockets that come down out of sight. The kids and I have always used the human method, where one stays back and marks a distant landmark, then uses hand signals to direct the searchers to the correct line to follow. It works better than guess-and-by-golly, but itÂ’s far from perfect.

GPS always fell into the ‘nice to have’ category too, but my sensible (and better) half is starting to convince me that it’s time to modernize all-around (hint: when convincing me, it helps to use a bigger 2x4).

I’m feeling the need for a PDA, and Garmin makes a model – the Garmin iQue 3600 – that combines the features of a good PDA with everything I need in a GPS system. The damn thing is almost $500.00, but Liz made the point that with the amount of money I’m risking per rocket launch nowadays (motor parts, electronics, chutes, etc), that if the GPS helps me locate a rocket or two that I might otherwise lose, then it’s practically paid for itself right there. Like I said, she’s the sensible member of the team.

Still with me? Cool. This is a long, meandering way to finally get around to asking if you have a PDA or GPS, and if so, what it is and how it works for you? What do you like about it? What do you hate about it? What would you change about it?

DonÂ’t have one? Why not? IÂ’m curious and collecting experiences and opinions here. Thanks.

Posted by: Ted at 11:33 AM | category: SciTech
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Exactly

Mr. Green puts it perfectly:

Abu Ghraib represents a betrayal of our principles, while this murder [Nicholas Berg - RJ] represents an expression of theirs.

It's short, and not all flag-waving and chest-thumping either. Go read.

Posted by: Ted at 07:56 AM | category: Square Pegs
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The secret life of my inner-geek

Over at the Llama Butchers, Robert comes out of the geek-closet and lists ten things that he knows way too much about to be considered healthy. Well, I have a few of those niche interests myself, so here's my list:

1. Stonehenge
2. Druids
3. Star Trek paperback novels (original series)
4. WWII Battle of Midway
5. BDSM
6. Car Wars game
7. The Fantasy Trip role-playing game
8. H.P. Lovecraft
9. Hitchcock movies
10. James Garner

Things I know quite a bit about but not enough to go on that list:

1. Cooking
2. Gardening
3. Hockey
4. 60's & 70's tennis
5. Cary Grant movies
6. Movie musicals
7. Woodworking, cabinetry and carpentry
8. Oakland/LA/Oakland Raiders
9. San Francisco Giants

Robert also asks that you run with this and post your own list, however long or short, on your own place if you have one. Feel free to leave it in my comments if you'd rather.

Posted by: Ted at 06:15 AM | category: About Ted
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Mentioned in passing

My wife once bought me a bumper sticker for one of my old beater vehicles. It read "Vulcan Science Academy - the logical education".

I put it on my back bumper. Upside down.

Posted by: Ted at 06:03 AM | category: Square Pegs
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May 11, 2004

Thunderbirds are Go!

A new live action style movie due out in July. Be sure to watch both trailers, because the US and international versions are different.

Thanks to Doug Pratt for sending this link to me! And if you go to Doug's site, you should order one of his cool new Freedom 'hoody' sweatshirts or 'rocket scientist' t-shirts. Both are Mookie-approved!

Posted by: Ted at 11:45 AM | category: Cult Flicks
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Another rocket contest

This one calls for teams to build a rocket that deploys a remotely-controlled rover vehicle.

Posted by: Ted at 06:05 AM | category: Rocketry
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Unlike Frankenstein, the green stops at my thumbs

I'm not bragging, I'm just good at non-vegetable gardening. There are a few pictures of this year's work (so far - it's early yet) in the extended entry. more...

Posted by: Ted at 05:21 AM | category: Family matters
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May 10, 2004

VIP's

Here's the list of visiting guests at the Team America Rocketry Challenge finals to be held weekend after next (link over on the right column):

"Rocket Boy" author Homer Hickam, U.S. Senator Mike Enzi, NASA Associate Administrators Craig Steidle and Adena Loston, Marshall Space Flight Center Director David King, NASA astronauts Jay Apt and Charlie Walker, among other dignitaries.

Mookie and I got to meet Homer Hickam, Senator Enzi, and Jay Apt last year. Good people.

Posted by: Ted at 09:15 PM | category: Rocketry
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Rocketing Around the Blogosphere

I've been working on this as time allowed over the last few days, so if you find some of these links are a little... old, they're not, they're nicely aged like a fine wine. Yeah, that's it.

Fellow Munuvian Linda of Auteriffic has an interesting discussion going on about porn. If youÂ’ve read Rocket Jones for any length of time, you know I peruse the naughty bits on occasion, and then cheerfully pass it along to you. ThatÂ’s not what Linda is doing, sheÂ’s looking at it from a more intellectual standpoint, and the discussion is excellent. Go check it out.

P.S. For anyone expecting to find my input there, itÂ’s not. IÂ’ve got some things to say, but havenÂ’t really had a chance to sit back and sort it out in my mind. This is a subject where itÂ’s all too easy to lose sight of your original point, and I donÂ’t want to do that. Maybe this week, if not then IÂ’m afraid itÂ’ll be too late to toss my two cents in.

Over at Say Uncle, Thibodeaux passes on a link and a joke. The excerpt from the linked story is priceless!

I’ve heard of LittleTinyLies before, but there are only so many hours I can waste at work spend surfing the ‘net, so I’d never visited.

Big mistake on my part. This guy is on a BBQ binge lately, and some of his posts are so mouth-wateringly wonderful itÂ’s damn near pornographic [another porn reference - what gives?]. Ignore some of the unholy abominations he experiments with (donut lasagne?) and stick with the 'dead beasts on fire' recipes. Yum!!!

Annika has probably already seen this (and frightened co-workers as she suddenly burst into laughter throughout the day at the mere thought of), but she seldom misses an opportunity to slam the American Skankwoman. So just in case she missed it, here's Britney Spears in her natural state, courtesy of Wizbang!

Do you love Scrappleface? Are you a regular Onion reader? Have you tried Broken Newz yet?

Thank J-Walk Blog for this link to 40 years of Astounding/Analog covers. I read Analog faithfully for years from the early 70Â’s, and was introduced to war gaming thanks to a little ad inside one of their issues. What was that company again... SSI - Strategic Simulations, Inc? I need to google that up.

He also linked to the Read Print library, with thousands of online books. This is going to be fun to go through.

Loren at Civilization Calls links to this interesting phenomena in Africa - fairy circles - that as far as anyone can tell, may actually be created by fairies.

Yet another Munuvian, Rae, talks about her Mother's Day weekend and teaching her kids life lessons about work and money. We've tried to do the same with our kids, and I think we've been successful. Mookie bought her own PC with babysitting money (she was tired of having the old hand-me-down machine), and oldest daughter Robyn bought her own first car. They've learned that saving money and working towards your goals is worthwhile, because you tend to appreciate what you have more when you earn it.

Speaking of Mookie (aka Rachael), her internet connection has been shut down for a couple of weeks. When we had new windows installed in the house, the old cable was removed and we've run two new lines into the upstairs. Unfortunately, the new cable we dropped into her bedroom isn't working, so one evening this week I've got to head back up into the attic and we'll try the second cable run and hope that one works. She's been making do with scrounging time on Mom's PC.

Short. Sweet. Absolutely true. Thanks for the laugh, John.

Bigwig at Silflay Hraka posts the latest "Not the Prudie" advice column link, and it's a keeper. My favorite bit:

A ballroom dancer who's a great listener, puts other people first, and seeks advice from his women friends. I'm not saying you're gay, but everyone else is.

I miss Dear Dottie. Is she still writing for the Weekly World News?

Dustbury remains one of my favorite daily stops. Here he opens a discussion about President Bush's policies. I get involved. Head on over and point and laugh at your host (that would be me) being shredded intellectually (I anticipate this last bit).

Update: Maybe I'm not an idiot. People seem to be agreeing with me, which probably means they're talking about me behind my back. That's ok too, it's better for my self-esteem.

All right, if I wait much longer to post this links might start expiring. Enjoy.

Posted by: Ted at 08:14 PM | category: Links
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Eagles over Washington D.C.

Not quite, but closer than you might think.

When folks think about American Bald Eagles, they often picture the birds soaring through majestic mountains and nesting atop barren, craggy peaks far above the treeline.

What you might not know is that there is a bald eagle preserve in northern Virginia, about 30 miles south of Washington, D.C. Set along both shores of the Potomac river, this preserve is home to up to 50 bald eagles at a time and has three active nests. George Washington himself may have watched an eagle or two, since his Mount Vernon home overlooks the Potomac river just north of today's preserve. It's not unheard of for boaters on the Rappahanock river to spot an eagle circling lazily overhead as eagles continue to make a comeback from their endangered status.

Much of the preserve's land remains in private ownership, and not open to the public, but there are also several parks where hiking, boating, and camping are allowed.

You may remember when President Clinton released an adolescent eagle named Freedom at July 4th ceremonies in 1996. The eagle flew directly over an Osprey nest, and the territorial osprey (four of 'em) attacked Freedom and knocked him into the water. Freedom was rescued by the Coast Guard and re-released a couple of weeks later after recovering from minor injuries.

Posted by: Ted at 06:36 AM | category: Square Pegs
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Successful Aerospike Test

Here's a good explanation of what aerospike rocket motors are all about.

There are pictures here, and if you select the medium or large sizes, you can really study the detail of the aerospike design (if that sort of thing floats your boat).

The names and organizations involved are familiar to rocketeers, because this is the kind of cutting-edge experimentation that some of us get involved with. Here's the inside scoop from Chuck Rogers, one of the people involved, as posted on the Rec.Models.Rockets newsgroup (links added):

Cesaroni Technology Incorporated did a great job on the structural design and fabrication of the aerospike. The aerospike retrofits onto an O5100 motor in place of the conventional conical nozzle. BlackSky Research built the Optimal 168 rocket, and ran the launch operations for the flights.

I've seen the Cessaroni motors flown, and they are sweet. They're also commonly available to people like myself who fly the smaller rockets. BlackSky is another company that does everything from hobby rocketry to 'real' experimental rocketry. My launch rail was made by them.
The aerospike is a centered Prandtl-Meyer all-external expansion design. It delivered 97% of ideal efficiency in ground test (exceeding historical Rocketdyne data), and theoretically would deliver the same high efficiency from sea level to vacuum flight conditions.

Even the most optimized conventional nozzles are compromises for the expected range of altitudes and pressures expected. The efficiency of the aerospike means that bigger payloads can be lifted on a given thrust.
The rocket flights were to demonstrate operation of the aerospike in flight, and to measure installation effects compared to the uninstalled ground static firings. CFD was run not only for the aerospike hot gas flowfield, but for the combined rocket and aerospike plume flowfield.

This is the most highly instrumented high power/experimental rocket ever flown. In addition to highly accurate accelerometers and pitch, yaw, and roll rate sensors, the rocket used a conic nosecone with a built-in Flush Air Data System (FADS) (like a pitot tube), calibrated with CFD and cone pressure tables. This was the first inflight direct aerodynamic measurement of angle of attack on a model, high power, or experimental/amateur rocket.

Blacksky Research coordinated the development of the aerospike nozzles and solid rocket motors, provided overall project management on the contractor side, and really helped refine the whole concept of using large high power rockets for advanced flight test research. All at a low cost relative to normal government aerospace projects.


All that fun and saves Uncle Sam money too. Later on in the exchange, questions about the materials used to construct the aerospike were asked. This is why I love rocketeers, because Anthony Cessaroni himself jumped into the conversation:
Composites, ferrous and non-ferrous alloys, a little bit of graphite and a pinch of tungsten.

We also got to hear about one of the hazards of aerospikes (Chuck Rogers again):
Well, it turns out that the tungsten tip on the aerospike is REALLY SHARP. While walking around the rocket as it was mounted on the transfer cart I got "speared" by it. It put a tear in my shirt, but it didn't break the skin. It did not draw blood!

For this experiment we wanted a "pure" spike that went all the way to a sharp tip. For an "operational" aerospike there is predicted to be very little performance loss for up to a 25% reduction in the spike length.

You'd want at least some minimal truncation to avoid that VERY sharp tip.

Which was suggested by CTI, but again, for the "purity" of the experiment we wanted a sharp tip.


These are the kind of details that bring history to life. And to add a data point to our assertion that hobby rocketry leads to technology-related careers, here are two pages from a 1982 rocketry magazine written by "Crazy-Chuck" Rogers.

Posted by: Ted at 05:22 AM | category: SciTech
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May 09, 2004

Congratulations Canada

They won the world hockey championship for the second year in a row.

The US took the bronze.

Posted by: Ted at 08:17 PM | category: Square Pegs
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Enough light to do the job

This redefines 'task-lighting', eh?

A U.S.-Israeli laser designed to protect northern Israel from missile attacks downed its largest rocket to date during a test over the southern New Mexico desert, the Army said Friday.

There's more coolness, you should check it out.

Posted by: Ted at 07:06 PM | category: SciTech
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Happy Mother's Day

(in the extended entry - click where it says "light this candle...") more...

Posted by: Ted at 06:24 AM | category: Square Pegs
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All right, your wait is over

I warned you here that I was going to watch a couple more offerings from Seduction Cinema. By the end of last month, I'd recorded Play-Mate of the Apes and Gladiator Eroticus. Boy howdy.

Like I originally stated, the formula is to spoof a popular movie, and to fill it with lesbian softcore porn. Part of what makes these films work is that the original storylines are closely followed, so the movies tend to actually have plots.

But face it - and I can't believe I'm actually saying this (my 'guy' membership will be revoked for sure) - there is such a thing as too much lesbian porn. Watching one of these movies is fun, but two is borderline boring, and three is serious overkill. Maybe it's because it was the first one I saw, but I still think Lord of the G-Strings is the best of the three I've seen. Play-Mate of the Apes was fun and funny, but there were way too many enhanced bustlines for my taste. The overstuffed petrified-chest look just doesn't do it for me.

Now that this peculiar little itch has been scratched, I can get back to my beloved obscure crappy horror movies. I do have some interesting flicks on my list to be reviewed, but with springtime here my movie time is seriously curtailed. We'll get to 'em all in time.

Posted by: Ted at 12:05 AM | category: Cult Flicks
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May 08, 2004

Thanks Euth!

I talked about Dairy Queen's new Flamethrower Burger commercial here. Have you seen it yet? Well, thanks to Euth, here's the link to see it online. He didn't leave contact info, so the good deed counts double.

Posted by: Ted at 05:52 PM | category: Links
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Michael Moore deserved an Oscar for Dr. Strangelove dammit!

What do you mean it wasn't real?

Posted by: Ted at 11:23 AM | category:
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HOA's, and how meteors don't smash into them nearly often enough

Paul had a little run-in with his HOA. I commiserated in his comments and asked if I'd ever told him the story of the meteor that almost crashed through my roof.

Turns out I had told that story here. Damn, I can't be running out of material already.

Posted by: Ted at 09:32 AM | category: Links
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Federal Government going after Hobby Rocketry

This appeared in the Wall Street Journal yesterday. Since they require subscription to access, the article is included below (in the extended entry) as posted on the Rec.Models.Rockets newsgroup.

The hobby rocketry community is small and active, so I've talked to most of the rocketeers or shopped at the hobby shops mentioned in the article. This is the perfect example of Homeland Security acting in a way that will not actually make anyone safer, but they can point to it as an example of ways that they're working to protect us. Justifying their existance is what I call it.

For the most part, the article is fair and reasonably accurate. The main point missed though isn't the cost of the new permits, it's the unreasonable storage requirements which are damn near impossible to comply with. more...

Posted by: Ted at 06:51 AM | category: Rocketry
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