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Gravitational Engineering - What We Can Do Now
21 years 9 months ago #4951
by Mac
Replied by Mac on topic Reply from Dan McCoin
AB, LB,
Lets not over complicate this timing thing as I was about to do above.
What can't you use a centerally located timer. It is located mid way between the X & R components. Any start signal will have the same delay to initiate the crystal pulse and in marking the reciever start time.
???
Lets not over complicate this timing thing as I was about to do above.
What can't you use a centerally located timer. It is located mid way between the X & R components. Any start signal will have the same delay to initiate the crystal pulse and in marking the reciever start time.
???
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- Larry Burford
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21 years 9 months ago #4952
by Larry Burford
Replied by Larry Burford on topic Reply from Larry Burford
<BLOCKQUOTE id=quote><font size=2 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
[Mac]
Wh[y] can't you use a centerally located timer. It is located mid way between the X & R components.
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
It seems to me that you are seeing a problem where there is none. Like AB said, all we expect to have to do is monitor the transmitter's driving signal and the outputs of one or two receivers with an oscilloscope. The scope channel that is monitoring the transmitter will be used as the sweep trigger, and relative timing measurements then just fall into your lap.
(An oscilloscope is a timer.)
Regards,
LB
[Mac]
Wh[y] can't you use a centerally located timer. It is located mid way between the X & R components.
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
It seems to me that you are seeing a problem where there is none. Like AB said, all we expect to have to do is monitor the transmitter's driving signal and the outputs of one or two receivers with an oscilloscope. The scope channel that is monitoring the transmitter will be used as the sweep trigger, and relative timing measurements then just fall into your lap.
(An oscilloscope is a timer.)
Regards,
LB
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21 years 9 months ago #5233
by n/a3
Replied by n/a3 on topic Reply from
<BLOCKQUOTE id=quote><font size=2 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
If such is your conclusion then you didn't understand the basic idea of the experiment. We just measure the delay at one point, then move to the other point and so on.
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
Maybe you don't understand what you're trying to measure. I'm convinced about this now and I assume all responsibility for my statement.
<BLOCKQUOTE id=quote><font size=2 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
I find it very strange that you systematically try to convince the audience of the impossibility of a cheap and simple experiment. What's your problem with that?
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
If the experiment is cheap and simple just go ahead and give us the results. I cannot figure out why you're getting so sensitive about it. I just posted my opinion. You can just ingore it. Getting to sensitive about it is a clear sign of weakness.
Let me ask you something AB: you want to measure SOG, right? When you have to crystals of constant mass separated by a constant distance the gravity force is constant, isn't it? By exciting the crystals you are not changing the gravity force but only the frequency of oscillation. Gravity force signal cannot be modulated that way. The only way to modulate the signal is by having one of the crystals move around. Don't you? Answer this question first. If you insist your readings have any component relating to SOG let me now how that can be. WRITE THE EQUATION DOWN. TELL US HOW A VOLTAGE AT THE RECEIVER END CAN RELATE TO SOG.
You are getting sensitive about it because it isn't clear in your own mind and you're going to attack me for raising the issue.
I tell you what: can you syncronize events faster than the speed of light? the answer is not. If SOG is faster than the speed of light then YOU WILL NEVER MEASURE IT. With your experiment, in the best case, your SOG reading will always be the speed at which you can syncronize the events.
If such is your conclusion then you didn't understand the basic idea of the experiment. We just measure the delay at one point, then move to the other point and so on.
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
Maybe you don't understand what you're trying to measure. I'm convinced about this now and I assume all responsibility for my statement.
<BLOCKQUOTE id=quote><font size=2 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>
I find it very strange that you systematically try to convince the audience of the impossibility of a cheap and simple experiment. What's your problem with that?
<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>
If the experiment is cheap and simple just go ahead and give us the results. I cannot figure out why you're getting so sensitive about it. I just posted my opinion. You can just ingore it. Getting to sensitive about it is a clear sign of weakness.
Let me ask you something AB: you want to measure SOG, right? When you have to crystals of constant mass separated by a constant distance the gravity force is constant, isn't it? By exciting the crystals you are not changing the gravity force but only the frequency of oscillation. Gravity force signal cannot be modulated that way. The only way to modulate the signal is by having one of the crystals move around. Don't you? Answer this question first. If you insist your readings have any component relating to SOG let me now how that can be. WRITE THE EQUATION DOWN. TELL US HOW A VOLTAGE AT THE RECEIVER END CAN RELATE TO SOG.
You are getting sensitive about it because it isn't clear in your own mind and you're going to attack me for raising the issue.
I tell you what: can you syncronize events faster than the speed of light? the answer is not. If SOG is faster than the speed of light then YOU WILL NEVER MEASURE IT. With your experiment, in the best case, your SOG reading will always be the speed at which you can syncronize the events.
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21 years 9 months ago #4981
by n/a3
Replied by n/a3 on topic Reply from
Listen AB,
If SOG could be measured that cheaply and easily it would be a standard high school experiment.
I get my kicks by frustrating "dreamers". Any problems with that? Anyone?
If SOG could be measured that cheaply and easily it would be a standard high school experiment.
I get my kicks by frustrating "dreamers". Any problems with that? Anyone?
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- MarkVitrone
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21 years 9 months ago #4982
by MarkVitrone
Replied by MarkVitrone on topic Reply from Mark Vitrone
Since I teach science, I am familiar with all the kooky cheap experiments that have discovered profound things. The majority of them cost less than $100. For example, the charge to mass ration of the electron was calculated using an atomizer from a perfume bottle, and oil drum, some oil, a cheap telescope, a power souce with zinc and copper plates, and an xray source with a lead lined pinhole. Not bad huh... -MV
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21 years 9 months ago #5176
by Mac
Replied by Mac on topic Reply from Dan McCoin
LB,
Seems there is no advantage to setting the O-Scope in the middle huh<img src=icon_smile_approve.gif border=0 align=middle>
mark,
My impression is that they intend to use the contraction and expansion of the crystal as motion; which it is but it is extremely samll and the small signal; plus 1/r^2 applied to the movement is going to have an exceptionally weak influence.
That is why there is concerne over background noise and other enflunences. Based on that understanding ws why I was attempting to enhance the motion to create a larger signal.
I find in theory that their plan could work but I am also convienced that it is going to jprove vastly more difficult than they anticipate. Especially by trying to go off the shelf and cheap.
I think it is good to frustrate peoples ideas, as long as such frustration bear bonifide or potential impacts on the idea. You may cause a light bulb to go off that could make the difference in the final outcome.
If they think it is to easy then they will surely fail.
Seems there is no advantage to setting the O-Scope in the middle huh<img src=icon_smile_approve.gif border=0 align=middle>
mark,
My impression is that they intend to use the contraction and expansion of the crystal as motion; which it is but it is extremely samll and the small signal; plus 1/r^2 applied to the movement is going to have an exceptionally weak influence.
That is why there is concerne over background noise and other enflunences. Based on that understanding ws why I was attempting to enhance the motion to create a larger signal.
I find in theory that their plan could work but I am also convienced that it is going to jprove vastly more difficult than they anticipate. Especially by trying to go off the shelf and cheap.
I think it is good to frustrate peoples ideas, as long as such frustration bear bonifide or potential impacts on the idea. You may cause a light bulb to go off that could make the difference in the final outcome.
If they think it is to easy then they will surely fail.
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