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Old Aug 28, 2007, 10:52 PM   #1
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Yesterday as I was taking my lunch-time walk, I ran across this fellow who looked like he was going to try watering a lawn.

"I think it comes out this end, doesn't it?"
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Old Aug 28, 2007, 10:53 PM   #2
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"Yep - that's the right end. Hey, this is fun!"
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Old Aug 28, 2007, 10:54 PM   #3
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"I think I can do the whole lawn from this one spot."

I hope you notice the kid in the background - I think he was only interested in not getting wet.
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Old Aug 28, 2007, 10:55 PM   #4
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Last one -

"Wonder how high I can get it to go?"
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Old Aug 29, 2007, 5:47 AM   #5
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Now there is a man who is satisfied and content in his job!



Nice shots - you always have something going on near you.



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Old Aug 29, 2007, 10:17 PM   #6
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He does look like he's having fun, doesn't he? He's normally one of the Fire Marshals and doesn't get to play with the equipment as much any more. I think they were training someone new on the engine, or fixing something and he was taking the chance to practice a bit. What's amazing is to realize how much pressure there is in one of those hoses - he's not a small man and he was really leaning into it to keep it under control. An awesome sight.
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Old Aug 29, 2007, 10:32 PM   #7
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Fun series, YES he does lok like he is enjoying himself. Thanks for postinf the fun photos.


TOTALLY WACKY roger
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Old Aug 29, 2007, 11:28 PM   #8
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Really like the series, but esp. the last one. Was he posing for you, or wasn't he even aware?

Kjell
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Old Aug 30, 2007, 12:39 AM   #9
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can't be pressure as it's zero in a free jet. Hmmm.
the 'thrust' must be the impulse reaction to the pressure dropping and velocity increasing at the outlet.

I kinda breezed through that part in Dynamics and it hasn't come up since. Looks like I got some reading to do.


oh -- And great pics!!
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Old Aug 30, 2007, 3:43 AM   #10
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I think you will find that it is still pressure causing it.



The volume of water is greater than the size of the hole.



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