<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>I answered your question, but perhaps you did not either recognize that fact or like the answer.</DIV></p><p>Maybe I am just too simple minded to understand your response. But I didn't recognise the answer to my question in your response. I don't see the need for a dissertation for a simple question that could be answered succinctly with yes or no, which could then be followed by some substantiation for your position. Here is the question again.</p><p>"Do you believe that NASA would not be willing to transfer these assets to a program that could demonstrate the technical and economic viability for their use? (this question is not concept specific. I am talking about any concept in general)"</p><p> I am asking your opinion. I was more interested in what you think on the subject, my expectation was that the answer would resemble something more like... The answer is yes, I think NASA would consider it, if the feasibility was empirically demonstrated. Or no, I think NASA would be unwilling to part with the hardware for any reason. I don't think the answer that "NASA will do whatever is determined by politics or national interest to be a desirable course of action." clearly expresses what your opinion is on the matter. Of course my expectations might be a little too simplistic in this instance.</p><p>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>I will explain further. The main point is that NASA will not waste national resources on schemes that should not be pursued.The SSMEs are both obsolete and a historical national artifact of a significant portion of our space program. NASA has an obligation, which I am confident that they will discharge as the steward of those assets, to put them to a use appropriate to their value in that role. Education and preservation of artifacts in a museum or display setting may be that appropriate use. Other uses might also be appropriate. Assessment of what is appropriate takes some knowledge and expertise.</DIV></p><p>I believe this comes closer to answering the question by saying that NASA would assess the value of both prospects and consider which is most appropriate. I will take this to mean that you are saying "Yes" to the original question and that NASA would be willing to release the SSMEs under the appropriate conditions. Let me know if this was not your intent.</p><p>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>What constitutes a technically and economically feasible project, on objective grounds, is perhaps more apparent to thosse with a solid technical background and experience than it is to others. NASA has witihin the organization people with the capability to recognize such projects and also to recognize notions that do not cut the mustard. They have access to such expertise from people outside of NASA itself as well. There are some enterprises, and rocket and space propulsion seem unfortunately among them, that attract a significant number of <font color="#ff0000">crackpots</font> with elaborate but flawed schemes. NASA has the obligation to see that assets such as the SSMEs are not wasted on such <font color="#ff0000">schemes</font>.I have seen quite a few such <font color="#ff0000">crackpot ideas</font>, in a professional capacity, in directing Independent Research and Development work, managing projects and businesses, and acting as an expert witness in legal proceedings. These situations show some remarkable similarities. The principals in such schemes believe that they have truly conceived a system, product, or principle that has eluded the experts for years, despite the fact that the idea uses no new science nor evidences a particularly clever or novel integration of known technology. The principals believe themselves to be competent and usually expert in areas in which <font color="#ff0000">they are actually quite wanting in expertise</font>. These areas include science, engineering, and project management. They believe this strongly enough to be what a layman would probably call "delusional". Logical arguments, often from people with both experience and actual expertise, make no impression. The <font color="#ff0000">schemes</font>put forward are often quite intricate, and in that sense quite clever, But they overlook clear conflicts with basic science and engineering and with matters of scale. Quite often they see as "off the shelf" items that are neither "off the shelf" nor capable of being produced. There tends to a confusion between that which can be illustrated with a computer and that which is feasible in the physical world -- usually due to the neglect of properties of materials, matters of scale, or basic physical principles. Almost always the ideas that are proposed are stated as having a revolutionary effect on technology -- orders of magnitude reduction in cost, complete elimination of failures, huge gains in performance, etc. Always the claims do not hold up under technical scrutiny, but rarely do the principals recognize this.Some examples might help. I have seen what was actually a fundamentally good idea for solar thermal propulsion go on the rocks because the principal believed far too strongly that implementation was easy. The basic physics was probably there, modulo a need to demonstrate efficient heat transfer. But the necessary manufacturing technology was not. Rather than take the time to develop the manufacturing technology rigorously, the principal insisted on pushing ahead quickly and advertising the potential of the idea. He was rather successful in attracting interest in the idea, too successful for the good of the project. He also believed too quickly and and easily what he was told by vendors with a vested interest in receiving subcontracts. The result was overenthusiasm, followed by disappointment when manufacturing of prototypes failed and cancellation of the project. Hundreds of thousands of dollars spent that came to nothing. In this case it did not have to be that way.Same inventor, second attempt. Revolutionary idea for electric propulsion. Unfortunately it violated conservation of momentum. Clearly that one didn't work out, and in fact did not get to the point of serious consideration for funding. His credibility had been compromised by that point in any case.Same inventor, third attempt. New idea to improve Isp. But not thermodynamically viable. Not funded by the company. Inventor is now spending his own money in testing, that is most unlikely to bear fruit. It is his money and if he wants to pursue the idea then that is his right. Different inventor. Thought he had an idea to eliminate all rocket failures through use of fiber optic technology. Then thought his ideas (trade secrets) had been stolen and made public by a larger company. Sued for $1.4 BILLION. Could not very clearly define what his idea was, but whatever it was, it would eliminate rocket failures. Suckered law firm into pursuing the suit. Expert witnesses for defense concluded that his ideas were either 1) obvious to anyone with knowledge of the art or 2) well-known and in the open literature or 3) false on the basis of basic science. In addition his claims for damages were quickly shown to be based on fallacious analysis based on misuse of mathematics and in any case absurd. He, of course, also had expert witnesses. The case was dismissed on summary judgment and his (expensive) expert witnesses were officially discredited by the court. The complainant received nothing and his attorneys wasted quite of bit of their own money -- which is appropriate since they had no case whatever. But the legal bills for the defense exceeded half a million dollars, and they had no fault whatever.There are other examples. <font color="#ff0000">Delusional inventors</font> and <font color="#ff0000">outlandish claims</font> are unfortunately common in the propulsion industry. The <font color="#ff0000">crackpots</font> that put forth such ideas do not recognize the flaws in their ideas, and can waste significant resources. NASA will discharge their duty as a steward of national resources and not waste those resources on schemes that lack merit. <br />Posted by DrRocket</DIV></p><p>I consider much of what you say in this passage to be sophistic in nature and aimed at trying to discredit me while you have conveniently avoided any serious attempt at evaluating the idea. You have continuously refused to base any statements you make as to the feasibility of the concept on any argument that wasn't based on personal bias, an invalid assumption or erroneous information supplied by you and in direct conflict with the data presented. While I share the belief that any assets as important, expensive, and historically relavent as the SSMEs should be safeguarded from ideas that can't clearly demonstrate empirically that they have merit, I don't believe that you have put forth sufficient effort to either prove or disprove my concept so have no right to even discuss the merits of it in relation to this question or any other.</p> <div class="Discussion_UserSignature"> <p> </p><p>"I am therefore I think" </p><p>"The only thing "I HAVE TO DO!!" is die, in everything else I have freewill" Brian P. Slee</p> </div>