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A Pub Type Question... #395962 09/24/11 12:37 pm
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Kent Shaun Online Content OP
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So there you are in the fettling shed fettling, trying to make the bike go just that bit faster, and you just KNOW that nature is against you, what with friction and gravity and all. So that brings us to the question...

Voyager, that tin can they shot into space a while back, young Karlb posted a thing saying it was now out of the solar system, well I got to thinking, if it's not got any gravity or friction working on it, how fast does it fly..? And as it's been away for so long, would it hit a terminal speed, or would it eventually get to the speed of light...

BLIMEY the things you think of when stuck behind the steering wheel frown Not too worry, I got me new A10 pistons today :bigt The talk will soon be back on bikes grin

Last edited by Kent Shaun; 09/24/11 12:37 pm.

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Re: A Pub Type Question... [Re: Kent Shaun] #395970 09/24/11 1:57 pm
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Keith of Columbus Offline
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They found a particle that goes faster than the speed of light. Voyager will speed up to that velocity and come back to earth before it was launched.


Keith
'65 and '66 BSA Lightning
Re: A Pub Type Question... [Re: Kent Shaun] #395974 09/24/11 2:12 pm
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Is that the satellite thats out of orbit and crashing to earth as well speak?

Out of touch
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Re: A Pub Type Question... [Re: Kent Shaun] #395978 09/24/11 2:45 pm
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ricochetrider Offline
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no Wade that's a done deal- Voyager is the deep space probe...
no idea how fast it travels but i'm certain it is moving right along at a clip comparable to and formerly only attained by Baza's M20... laughing


that satellite is only one of over 20 THOUSAND bits of Human Space JUNK orbiting our small orb...
it fell and they are just now figuring out where...

watch your heads.

Last edited by ricochetrider; 09/24/11 4:42 pm.

"It is no measure of health, to be well adjusted to a profoundly sick society."

Re: A Pub Type Question... [Re: ricochetrider] #396105 09/25/11 3:27 pm
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Pete C Offline
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Voyager 1's current relative velocity to the sun is 17,060 m/s (61,400 km/h; 38,200 mph)
You'd have add a slightly bigger carb to your M20 to overtake it now laughing
Cheers
Pete


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Re: A Pub Type Question... [Re: Kent Shaun] #396106 09/25/11 3:39 pm
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And it is still constrained by friction even in space


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Re: A Pub Type Question... [Re: Kev.] #396120 09/25/11 4:58 pm
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Jim Hultman Offline
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Originally Posted by Kev.
And it is still constrained by friction even in space

OK, kev technically you're right, of course, but aren't you splitting hairs just a bit? The density of matter in space is what, an atom a square foot or something like that? Mostly hydrogen.

For the word "friction" to have any practical meaning, it means that the spacecraft will slow down because it is basically colliding with other matter.

Care to do the math on the mass of the spacecraft vs "at rest" (relatively) hydrogen atoms? Just guessin', but I suspect it will take a few eons for the voyageur to come to a halt!

Re: A Pub Type Question... [Re: Kent Shaun] #396121 09/25/11 5:09 pm
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I never said I was clever Jim, but just saying it how it is :bigt


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Re: A Pub Type Question... [Re: Pete C] #396125 09/25/11 6:20 pm
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Kent Shaun Online Content OP
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Peter lad, Oh DO keep up lad, it's a MIGHTY Commander a BSA M21 if you will tired

That Friction of which ye speak Jim lad, that just might be the reason why Voyager won't reach the speed of light, BUT I wager over the years, it'll get near to it. Wonder if NASA is still in contact with it..?


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Re: A Pub Type Question... [Re: Kent Shaun] #396129 09/25/11 7:14 pm
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Jim Hultman Offline
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Originally Posted by Kent Shaun
That Friction of which ye speak Jim lad, that just might be the reason why Voyager won't reach the speed of light, BUT I wager over the years, it'll get near to it.
Nah, don't think she can go much faster. Just coasting now. I think she still has a bit of fuel for maneuvering and changing her orientation.

But Kev's comment on friction is interesting. There are such things as "solar winds" and such stuff that we know little or nothing about that the spacecraft can tell us a lot about.

I remember when this thing was launched. Pretty exciting. These are the ships that carry those gold records with lots of scientific info plus a copy of Johnny B Good by Chuck Berry. I wonder if he'll get royalties if the aliens play it?? laughing

Re: A Pub Type Question... [Re: Jim Hultman] #396133 09/25/11 7:56 pm
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Pete C Offline
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Well itís not going to go any faster, unless the solar wind is giving it a push, as it has no propulsion, but I seem to remember that it was supposed to hit the heliopause around 2014 so that would be an end to that anyway. After that there is something called the interstellar medium which I think may have a braking effect, but probably not a lot -again like an M21's brakes. As the speed of light is some 300,000Km per second our little tin can is practically standing still by comparison so maybe the extra 100cc of an M21 could get you within striking range (if it doesnít break down again). Then again the glimmer produced by one of Mr Lucasís filaments will catch up with the intrepid explorer, which has been hurtling along for a third of a century, in around 16 hours.

Cheers
Pete


Cheers
Pete
Re: A Pub Type Question... [Re: Pete C] #396135 09/25/11 8:09 pm
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And just as an aside regarding those pesky neutrinos that appear to be going faster than light. I like the comment made by Subir Sarkar, head of particle theory at Oxford University

"Cause cannot come after effect and that is absolutely fundamental to our construction of the physical universe. If we do not have causality, we are buggered."

Nice to see that even the most cerebrally minded revert to plain language when confronted with the unexpected (like Shaun's conrod making a bid for freedom).

laughing
Pete


Cheers
Pete
Re: A Pub Type Question... [Re: Kent Shaun] #396191 09/26/11 9:03 am
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For those of us that spend many drowsey hours contemplateing the activities of sub-atomic particles, speed of light etc.
I now worry that the Higgs Boson may not exist after all.
Discussion with a physisist friend gave some comfort.
He says it doesnt realy matter! ;O))

Rgds to all .. HarryK


Last edited by HARRYKUK; 09/28/11 10:24 am.

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