Mach Effect progress

Point out news stories, on the net or in mainstream media, related to polywell fusion.

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chrismb
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Postby chrismb » Tue Jan 15, 2013 6:46 pm


GIThruster
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Postby GIThruster » Tue Jan 15, 2013 6:52 pm

"Courage is not just a virtue, but the form of every virtue at the testing point." C. S. Lewis

GIThruster
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Postby GIThruster » Tue Jan 15, 2013 6:56 pm

Last edited by GIThruster on Tue Jan 15, 2013 7:06 pm, edited 2 times in total.
"Courage is not just a virtue, but the form of every virtue at the testing point." C. S. Lewis

Barry Kirk
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Postby Barry Kirk » Tue Jan 15, 2013 7:00 pm


Barry Kirk
Posts: 69
Joined: Wed Sep 19, 2007 9:33 pm
Location: York, PA
Contact:

Postby Barry Kirk » Tue Jan 15, 2013 7:13 pm


Barry Kirk
Posts: 69
Joined: Wed Sep 19, 2007 9:33 pm
Location: York, PA
Contact:

Postby Barry Kirk » Tue Jan 15, 2013 7:16 pm


GIThruster
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Postby GIThruster » Tue Jan 15, 2013 7:20 pm

That makes perfect sense, Barry; and is in fact why from Jim's earliest writings on M-E thrusters, he has always stipulated they generate stationary force, just like any chemical, Hall or Ion thruster. It's also why when Paul and I worked together to flesh out the "one gee solution" used in the WarpStar travel times around our planetary system, we noted that we did not do any relativistic corrections to the math. In order to do the calculations correctly, one needs Lorentz transforms which neither of us have been trained in.

Point in fact, no baseline thrust or thrust efficiency will be constant under acceleration as viewed from a launch frame. If the thruster is permitted to accelerate, it's thrust will vary as a function, I believe, of velocity (an inverse quadratic function). This goes back to the observation that acceleration is linear with force, but kinetic energy is quadratic with velocity.

Basically, in order to avoid a conservation violation, one needs to do the math with transforms--the tools of GRT.
Last edited by GIThruster on Tue Jan 15, 2013 7:28 pm, edited 1 time in total.
"Courage is not just a virtue, but the form of every virtue at the testing point." C. S. Lewis

CaptainBeowulf
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Postby CaptainBeowulf » Tue Jan 15, 2013 7:27 pm


chrismb
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Postby chrismb » Tue Jan 15, 2013 7:34 pm


Barry Kirk
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Postby Barry Kirk » Tue Jan 15, 2013 7:42 pm


GIThruster
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Postby GIThruster » Tue Jan 15, 2013 7:43 pm

"Courage is not just a virtue, but the form of every virtue at the testing point." C. S. Lewis

GIThruster
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Postby GIThruster » Tue Jan 15, 2013 7:49 pm

"Courage is not just a virtue, but the form of every virtue at the testing point." C. S. Lewis

chrismb
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Postby chrismb » Tue Jan 15, 2013 7:58 pm


chrismb
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Postby chrismb » Tue Jan 15, 2013 8:04 pm


GIThruster
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Postby GIThruster » Tue Jan 15, 2013 8:21 pm

"Courage is not just a virtue, but the form of every virtue at the testing point." C. S. Lewis


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