Comments by "Gort" (@gort8203) on "Not A Pound For Air To Ground" channel.

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  5.  @djbiscuit1818  It was not my assumptions that led USAF to arm the Sabre Dog with Mighty Mouse rockets instead of cannon. I did not make that choice. I stated that this aircraft could not carry both these rockets and a set of cannon. These were alternatives to each other, and I think the video even alluded to that. Cannons would certainly be more accurate when fired from behind under visual conditions. However, at the time it was thought that the pilot would have insufficient time to accurately aim guns during a head on attack. The rockets could be salvoed more quickly, and only a single round need hit the target to disable it. Not my assumption, but that of those guiding development of the airplane. Cannon were also seen as insufficiently destructive, with multiple hits being necessary to ensure disabling a heavy bomber. A sufficiently destructive gun installation would not only have heavy recoil but would be a much heavier installation than rockets of equivalent destructive capability. Not my assumption, but reportedly the USAF thinking at the time. So perhaps Mighty Mouse rockets did not live up to the hopes for them, but USAF did not return to guns. What replaced these rockets on bomber interceptors? Not cannon, but larger and more sophisticated guided missiles. These facts all tell me something. They may tell you something different. Feel free to challenge the USAF assumptions of the time. I think their number is in the phone book (I’m dating myself again), but I suspect those who made these assumptions and decisions are unable to come to the phone.
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  8.  @MrArgus11111  Surprising, but then again this is YouTube, where anybody can post a video about anything no matter how little they really know about the subject. Boyd did a couple of good things such as sparking a mathematical analysis of energy maneuverability. Good pilots tacitly understood EM, but getting into an objective format that helped inform the development of the next generation of fighter planes. But he was an extremist rather than a genius, and luckily senior USAF leadership that had actual experience commanding combat operations did not fall for the extreme concept of the simple dogfighter. Boyd was wrong about what was needed to dominate in actual air combat, as opposed to friendly dogfights over the local air patch, and he and his acolytes were wrong about the need for modernization in general. What was really bizarre was that while they were trying to hobble the USAF with a fleet of simple dogfighters, the Soviets we working as hard as they could to modernize their own weapons systems. The Gulf War proved Boyd and the ‘reformers’ wrong, but they still had the nerve to insisting this war proved them right! There was no way to retreat from the position they had zealously established for themselves, so they tried to twist reality into their own story. To me the OODA loop is just common sense painted up to look like incisive insight. I’ve seen this sort of thing from consultants of all types, particularly in aviation safety. They make a bunch of graphics and charts to explain things you already know with bigger words, and then charge you $400K for it.
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  33.  @robert-trading-as-Bob69  Perhaps you share some misconceptions with the creator of this video. Perhaps I can help with how you see things. “The airflow over the wing creates lift, which would be difficult with the wing at an angle as per the taildragger scenario envisioned by the video.” The angle of the wing doesn’t make it difficult to create lift, the angle is necessary to create sufficient lift for takeoff. The point is that angle is best controlled with the elevator, and you don’t get a benefit from sitting at that angle prior to nearing takeoff speed (unless on a rough field, see below). “It would take longer to achieve translational lift.” Translational lift is a helicopter thing, not an airplane thing. The wing provides lift as soon as it has airflow moving past it. It just needs to reach a certain airspeed before it has enough lift to break ground. Keeping the wing at a high angle of attack for the entire acceleration run incurs drag that slows the acceleration. Not a problem in a powerful prop fighter like an F8F, but a definite issue for an early jet with poor takeoff acceleration due to low installed thrust. You must have heard of the civilian-owned F-86 that failed to takeoff and crashed into an ice cream stand because the pilot rotated to takeoff attitude too soon. “I do seem to recall crop duster taildraggers having VTOL capabilities.” You must mean STOL capabilities, and of course they do. So does the OV-10 nose dragger. STOL is a function of slow speed lift, and does not require a tail wheel. Tail wheel aircraft are often considered better at coping with rough field surfaces, but for a smooth hard surface the landing gear has no real benefit, and a nose gear usually allows for harder braking after landing. The subject of this video was not designed to be rough field STOL jet. Tailwheel aircraft benefit from lighter weight, and less drag if the landing gear does not retract. It is arguably better for soft rough lumpy surfaces. Other than that they are no benefits and multiple drawbacks to tailwheel landing gear.
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  35. At time 13:40 we are told that because the plane lacked any power assistance for the control surfaces the controls became very heavy at high speeds. (This is of course normal for unpowered controls). Then a minute later we are told the elevator was fitted with a system that made the stick progressively heavier as the speed increased. This doesn’t seem to make sense in light of the previous statement. Stick force gradient can become too light for reasons such as increasing AOA or aft CG, but unpowered controls getting lighter purely due to increasing airspeed doesn’t sound right. If the elevator stick forces were somehow so light at high speed that overcontrol was hard to avoid, then adding resistance would have made the airplane easier to control for max performance, not harder. The pilot would have an easier time determining how hard to pull without pulling too far. Unless the system was grossly dysfunctional it would not prevent the pilot from achieving max performance, or intentionally exceeding a limit just by pulling even harder. The point here is that if this system was actually necessary to prevent unintentional overstress that does not mean it would prevent intentional overstress by the pilot. I am familiar with servo tabs, spring tabs, and control tabs that reduce stick forces due to high airspeed, and with bobweights that increase stick force required as G increases, but not with a system that somehow adds resistance to unpowered flight controls based on airspeed. Can anyone explain how this worked?
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