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| electrodacus:
--- Quote from: cbutlera on July 18, 2022, 10:48:56 pm ---That gave me an idea. How about hydraulic fluid. Is that incompressible enough? Here is a cutaway diagram of a pipe pig I just thought up. It is moving in a rectangular pipe with narrow racks down either side. It has two gear chambers side by side, with their gears on common shafts so that they rotate together. The pump gear chamber is pretty much a conventional gear type hydraulic pump. The drive gear chamber is similar, except that it engages with two racks that slide through close fitting slots in the chamber walls. Both gear chambers are immersed in hydraulic fluid. The whole device is a close fit in the pipe, so that hydraulic fluid cannot leak past to a significant degree. The closely meshing involute gears and racks prevent any significant amount of hydraulic fluid from passing through the drive gear chamber. Whichever direction the pipe pig moves, it will pump fluid from the front to the rear. So if there is a steady flow of hydraulic fluid along the pipe, the device will be pushed in the same direction as the the fluid but it will move a little faster, due to the additional fluid being pumped to its rear. I just throw this in as a contribution, I have no interest in wasting further time responding to any irrational comments on it. I might respond to a rational comment if I feel so inclined. I'm sure that ED will claim that either a) It will not move and the pipe will burst, or b) it will move, but the pipe represents the wind, the pig represents the ground and the hydraulic fluid is the vehicle (or some other unjustified permutation). Whatever the claim is, I don't care. Why am I still here? --- End quote --- Why have you bothered with this more complex design when you have the simple one Derek showed in his video ? Can you not see how this hydraulic vehicle will work ? The "vehicle" will move in the opposite direction of the fluid flow. So basically a direct upflow vehicle. Seems based on your comment you were thinking this contraption will move in the same direction as the fluid flow when that is not the case. Image from same page you linked. So fluid moves from left to right and vehicle as you have constricted moves in the opposite direction right to left. |
| gnuarm:
--- Quote from: electrodacus on July 19, 2022, 12:25:37 am --- --- Quote from: cbutlera on July 18, 2022, 10:48:56 pm ---That gave me an idea. How about hydraulic fluid. Is that incompressible enough? Here is a cutaway diagram of a pipe pig I just thought up. It is moving in a rectangular pipe with narrow racks down either side. It has two gear chambers side by side, with their gears on common shafts so that they rotate together. The pump gear chamber is pretty much a conventional gear type hydraulic pump. The drive gear chamber is similar, except that it engages with two racks that slide through close fitting slots in the chamber walls. Both gear chambers are immersed in hydraulic fluid. The whole device is a close fit in the pipe, so that hydraulic fluid cannot leak past to a significant degree. The closely meshing involute gears and racks prevent any significant amount of hydraulic fluid from passing through the drive gear chamber. Whichever direction the pipe pig moves, it will pump fluid from the front to the rear. So if there is a steady flow of hydraulic fluid along the pipe, the device will be pushed in the same direction as the the fluid but it will move a little faster, due to the additional fluid being pumped to its rear. I just throw this in as a contribution, I have no interest in wasting further time responding to any irrational comments on it. I might respond to a rational comment if I feel so inclined. I'm sure that ED will claim that either a) It will not move and the pipe will burst, or b) it will move, but the pipe represents the wind, the pig represents the ground and the hydraulic fluid is the vehicle (or some other unjustified permutation). Whatever the claim is, I don't care. Why am I still here? --- End quote --- Why have you bothered with this more complex design when you have the simple one Derek showed in his video ? Can you not see how this hydraulic vehicle will work ? The "vehicle" will move in the opposite direction of the fluid flow. So basically a direct upflow vehicle. Seems based on your comment you were thinking this contraption will move in the same direction as the fluid flow when that is not the case. Image from same page you linked. So fluid moves from left to right and vehicle as you have constricted moves in the opposite direction right to left. --- End quote --- Maybe I'm wrong. Maybe ED really is a stupid as he seems. He can't even understand that the primary fluid flow must be in the direction of movement of the pump, because that is what makes the pump operate. Then a small portion of the fluid is pumped backwards which adds to the movement of the pump. At some point we have to recognize the extent of the dain bramage ED must have. He did say he has a job where he applies technical theory, right? Something is very, very wrong. |
| electrodacus:
--- Quote from: gnuarm on July 19, 2022, 12:52:36 am --- Maybe I'm wrong. Maybe ED really is a stupid as he seems. He can't even understand that the primary fluid flow must be in the direction of movement of the pump, because that is what makes the pump operate. Then a small portion of the fluid is pumped backwards which adds to the movement of the pump. At some point we have to recognize the extent of the dain bramage ED must have. He did say he has a job where he applies technical theory, right? Something is very, very wrong. --- End quote --- If fluid flows from left to right the pump will move from right to left. Look at the drawing cbutlera has made not the one on wikipedia. |
| gnuarm:
--- Quote from: electrodacus on July 19, 2022, 01:04:47 am --- --- Quote from: gnuarm on July 19, 2022, 12:52:36 am --- Maybe I'm wrong. Maybe ED really is a stupid as he seems. He can't even understand that the primary fluid flow must be in the direction of movement of the pump, because that is what makes the pump operate. Then a small portion of the fluid is pumped backwards which adds to the movement of the pump. At some point we have to recognize the extent of the dain bramage ED must have. He did say he has a job where he applies technical theory, right? Something is very, very wrong. --- End quote --- If fluid flows from left to right the pump will move from right to left. Look at the drawing cbutlera has made not the one on wikipedia. --- End quote --- And as usual, he literally can't understand the principles, so he wants to use a diagram that doesn't even show the movement of the fluid or the pump which is the result of the major movement of the fluid. He has to be putting us all on. No one can be that consistently wrong. Floyd was a guy who worked at a place I did. I never met him but I heard the stories. Once, someone was calculating the area of a room, length times width. He insisted that was wrong, it was length divided by width. He argument was, "How many quarters in a dollar? How many quarters in two dollars? See?" His other claim to fame was in front of customers where he said the antennas should be put at the bottom of the hill, rather than at the top because electrons run down hill. It took a moment, for everyone to eventually laugh... but he was serious. He wanted people to call him Tom, but his name was Floyd. Maybe that's what ED should be called, Floyd. |
| electrodacus:
--- Quote from: gnuarm on July 19, 2022, 01:33:14 am ---And as usual, he literally can't understand the principles, so he wants to use a diagram that doesn't even show the movement of the fluid or the pump which is the result of the major movement of the fluid. He has to be putting us all on. No one can be that consistently wrong. Floyd was a guy who worked at a place I did. I never met him but I heard the stories. Once, someone was calculating the area of a room, length times width. He insisted that was wrong, it was length divided by width. He argument was, "How many quarters in a dollar? How many quarters in two dollars? See?" His other claim to fame was in front of customers where he said the antennas should be put at the bottom of the hill, rather than at the top because electrons run down hill. It took a moment, for everyone to eventually laugh... but he was serious. He wanted people to call him Tom, but his name was Floyd. Maybe that's what ED should be called, Floyd. --- End quote --- If the fluid flow in the opposite direction of the pump ? Just a simple yes or no will be fine. If due to dimensions this thing moves in the same direction as the fluid it will not move faster than fluid. |
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