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  1. Edward Current

    Gimbal Blender Simulation with Clouds

    Low- and high-altitude limits The downward angle of the ATFLIR camera can be anywhere between –2.5° and –1.5°. When I fix it to –2.5°, I need to lower the clouds almost to sea level to get the clouds-and-sky look that we see at the start of the video. A more reasonable lower-altitude limit for...
  2. Edward Current

    Gimbal Blender Simulation with Clouds

    Here's an embarrassing discovery. In preparation for moving the clouds to different heights, I lowed them down close to sea level, and saw this: The cloud layer is irregular and not curving tightly with the Earth. I realized I had made this mesh by duplicating the Earth mesh, before I had...
  3. Edward Current

    A Gimbal Glare Explainer

    Admittedly I have a hard time understanding the layers of rotations. I’d like the viewer to be stepped through the processes that the image goes through — here’s what’s entering the camera, then this mirror rotates it to look like this, then the plane moves and the image is rotated to look like...
  4. Edward Current

    Gimbal Blender Simulation with Clouds

    Version 2 I made some changes based on the above feedback. 1. In the new version, the F-18’s true airspeed starts around 347 knots, increases to about 352, then drops back down to about 349. This made the flight path slightly longer. Not surprisingly, I found that like the camera angles, the...
  5. Edward Current

    Help to debunk: 737 flies backward

    The euphoria of feeling special, from having seen/discovered/learned something that others aren't privy to, seems to close the mental pathways that ordinarily lead to reasonable questions like this. Having cemented a belief in this way, the next step in the process is always to evangelize this...
  6. Edward Current

    Help to debunk: 737 flies backward

    Also, these are two different planes. He "accidentally" loses a receding plane and then "re-acquires" an approaching one. Wow, it went backwards a long way in that short time. As Rory said, it seems to be a setup, including the NWO plug at the end because he just couldn't resist.
  7. Edward Current

    Does the beginning part of Gimbal debunk the claim that the object rotates?

    Yes, a YouTube video with two parts. The first part will be about possible scenarios for the object, including a straight-and-level jet flying away at a lower altitude. I've posted some of those results here, but I need to revise the F-18's flight path and speed slightly. The second half will be...
  8. Edward Current

    Does the beginning part of Gimbal debunk the claim that the object rotates?

    This is something else I can show with the simulation. In addition to explicitly showing what the derotation mechanism does, I can show what the scene should look like with an actually elliptical object: Original view — clouds, horizon indicator, and object all rotate together as plane rolls...
  9. Edward Current

    Gimbal Blender Simulation with Clouds

    Agreed. I'm pretty sure the reason my clouds sink — coincidentally it seems, at about the same rate — is that my F-18 flight path is on the xy-plane. From its beginning point to the end point, the Earth has curved by some 0.05°. That's 1/7th of a field of view, so there you go. I'll revise the...
  10. Edward Current

    Gimbal Blender Simulation with Clouds

    We get a fairly accurate reproduction of the clouds using an infinite layer of stratocumulus at a typical height. I'm confident in the infinite layer because even the slight downward movement of the clouds in the frame over the course of the video — which once upon a time I thought meant that...
  11. Edward Current

    Gimbal Blender Simulation with Clouds

    The model is definitely oversimplified, because there's data we just don't have. But I assume (I have not verified) that this is a quantitative problem, not a qualitative one: With more complete data, the numbers and the plots should move, but there should still be straight-line solutions and/or...
  12. Edward Current

    Gimbal Blender Simulation with Clouds

    Yes. If it's faster or slower, the results will be shifted. I’d be happy to try a different speed or speeds — I haven’t done so yet. From way back here. Maybe that estimate has been updated? At the beginning of the video in white-hot mode, the glare covers a region about 70 feet across, and...
  13. Edward Current

    Gimbal Blender Simulation with Clouds

    Further Analysis of the Gimbal Simulation in Blender My Blender simulation with clouds puts significant constraints on theories about the movement of the Gimbal object. The results apply directly to an idealized case where the clouds are stratocumulus topping out at 6,500 feet, with negligible...
  14. Edward Current

    Gimbal Blender Simulation with Clouds

    Yes, I think the generalization I made neglects local curvature. If you are walking on flat ground and a friend ahead of you is walking on a downslope, your friend will appear to descend and may disappear from view. But if you are both walking along a large ball, your friend will never change...
  15. Edward Current

    Gimbal Blender Simulation with Clouds

    I just don't know why a small jet would cruise at that altitude when 30k would be much more efficient. Past 135 NM, where the tilt of the Earth starts to exceed the camera's 2.22° angle, the object either has to climb to stay in line with the clouds, or be receding (and moving transversely) by...
  16. Edward Current

    Gimbal Blender Simulation with Clouds

    Scenario #5: Straight line, constant altitude I believe I found the solution I am looking for. The starting distance is 29.4 NM, speed ~375 knots, altitude 19,200 feet. A straight-line trajectory at constant altitude is the simplest case, although it seems a bit fast for that altitude. As I'd...
  17. Edward Current

    Gimbal Blender Simulation with Clouds

    Given that the more distant scenarios bank to the right (which is very counterintuitive — see below), I suspect there's a unique solution that's both constant-altitude and straight-line. If unlike Scenario #4 it starts at a small angle of incidence that gets even smaller, accounting for the...
  18. Edward Current

    Gimbal Blender Simulation with Clouds

    Gimbal Simulation Preliminary Findings In my Blender simulation, I dialed up 4 scenarios (out of infinitely many) for the Gimbal UAP. Scenario #4 is the most compelling. But first, a review of the setup. Clouds: Altitude topping out at 7,000 feet. Radius of curvature was increased by 17% to...
  19. Edward Current

    Gimbal Blender Simulation with Clouds

    I noticed that, too. It's particularly noticeable in the most distant clouds, like the little peak at 0:17, which is 175 NM away. When that peak is midscreen, the round cloud in the lower-left corner is 106 NM. Overhead view with those regions selected: In the original, I don't think we see...
  20. Edward Current

    Gimbal Blender Simulation with Clouds

    Here is an update on my simulation. I had a very hard time trying to find a flight path that could replicate the cloud motion closely. Even with only 2 bezier points (the beginning and end), the combination of the flight-path curvature and the very steady camera panning produced surprisingly...
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