Quote from: Povel on 09/01/2018 05:09 pmKeep in mind that Woodward & co. have spent quite alot of time addressing the "Dean drive" criticism at the best of their possibilities, including measuring the accelerations at the center column of the thrust balance, as it is detailed in the book flux_capacitor linked to in the other thread.Moreover, using only the "slip" of the "slip & stick" effect it is not possible to simulate genuine-looking steady thrust signals, that is signal with averages different from zero.Yes, I have read all about their attempts at addressing Dean Drive criticisms. They seem to be under the false impression that vibrations need to reach the central flexure bearing in order for there to be a problem. That is not the case. The vibrations only have to cause an asymmetric translational shift in the faraday cage contents. Actually, it is possible to simulate the genuine-looking steady thrust signal using only vibrations. I have the feeling that once everyone sees how it is done, they will all be surprised how simple it really is. However, I couldn't have figured it out without running the simulations myself.
Keep in mind that Woodward & co. have spent quite alot of time addressing the "Dean drive" criticism at the best of their possibilities, including measuring the accelerations at the center column of the thrust balance, as it is detailed in the book flux_capacitor linked to in the other thread.Moreover, using only the "slip" of the "slip & stick" effect it is not possible to simulate genuine-looking steady thrust signals, that is signal with averages different from zero.
FYI:PHOTONICS NEWS & PRODUCTSLight-driven elastic waves help scientists understand the effects of light's momentumThe momentum of light is now being measured Light has momentum, which can be transferred to matter (as in sunlight pushing a comet's tail away from the sun), but the exact nature of how light interacts with matter has remained a mystery. New research from the University of British Columbia's Okanagan campus (Kelowna, BC, Canada), has helped in understanding how light transfers its momentum to matter. UBC Okanagan Engineering Professor Kenneth Chau and his international research team from Slovenia and Brazil are shedding light on this mystery.
Oyzw's cavity covered with insulation before powered tests were conducted. The insulation worked great in preventing any natural convection from the copper. I will be presenting the preliminary results next Tuesday. That presentation will not be published right away, so I hope to have another narrated version posted when I get home from the trip.
https://www.laserfocusworld.com/articles/2018/08/light-driven-elastic-waves-help-scientists-understand-the-effects-of-light-s-momentum.htmlStill looking myself https://www.nature.com/articles/s41467-018-05706-3
I just arrived at the Advanced Propulsion Workshop 2018 in Estes Park. First thing I am wondering is why they feel the need to have this at 8,000 ft I'm sensitive to altitude sickness so I have to take it very easy. I'm light headed, my heart is racing, and I can't drink enough water. I haven't seen anyone else yet. I think most people will begin trickling in at 6:pm mountain time. The first presentation is tonight on Mars. My presentation is tomorrow afternoon. CORRECTION.. I just saw Marc Millis and Martin Tajmar and his group.
Quote from: Monomorphic on 09/10/2018 09:38 pmI just arrived at the Advanced Propulsion Workshop 2018 in Estes Park. First thing I am wondering is why they feel the need to have this at 8,000 ft I'm sensitive to altitude sickness so I have to take it very easy. I'm light headed, my heart is racing, and I can't drink enough water. I haven't seen anyone else yet. I think most people will begin trickling in at 6:pm mountain time. The first presentation is tonight on Mars. My presentation is tomorrow afternoon. CORRECTION.. I just saw Marc Millis and Martin Tajmar and his group.Does anyone know if the conference will be live-streamed?
Quote from: Mark7777777 on 09/10/2018 10:25 pmQuote from: Monomorphic on 09/10/2018 09:38 pmI just arrived at the Advanced Propulsion Workshop 2018 in Estes Park. First thing I am wondering is why they feel the need to have this at 8,000 ft I'm sensitive to altitude sickness so I have to take it very easy. I'm light headed, my heart is racing, and I can't drink enough water. I haven't seen anyone else yet. I think most people will begin trickling in at 6:pm mountain time. The first presentation is tonight on Mars. My presentation is tomorrow afternoon. CORRECTION.. I just saw Marc Millis and Martin Tajmar and his group.Does anyone know if the conference will be live-streamed?I don't believe so. Last time they video'd but it took a week or two to get it available and it came in batches. Nothing I saw on their website.
Is there anyone at the Estes Park conference who is willing to give us a short summery of the results up to now?Thanks We people, following this topic, but not able to visit the conference are quite interested in it.
Quote from: X_RaY on 09/11/2018 07:46 pmIs there anyone at the Estes Park conference who is willing to give us a short summery of the results up to now?Thanks We people, following this topic, but not able to visit the conference are quite interested in it. General consensus is that the Emdrive does not work. I reported negative results for my tests today. Martin Tajmar and his group will report similar findings tomorrow. Of particular interest to this forum is the story Martin Tajmar and his students told me of Roger Shawyer's visit to their lab. They asked Roger for an older device to test and Roger told them he would only loan them a device if they report some positive results BEFORE they get the device. They refused of course. As for the mach effect thruster, it is also not doing well. Several high level physics heavy presentations, including one by Dr. Rodal, that make the claim that the mach effect thruster cannot work as Woodward describes and is likely a self-interaction effect. Tajmar's group thinks it doesn't work and will report tomorrow. Then in my presentation I showed how Woodward's thrust signature can be generated in a simulation of the device using first principles and simple mechanics - and how everything equals out to zero at the end. I was also able to build a crude 3 DOF device that produced the same "thrust" signature.