

AKarhu
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Everything posted by AKarhu
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Yes, you'd need to use the zoom function to alter the size of the symbology (and everything else). Remember, like in physical world, zoom changes the apparent size of the objects regardless of their distance (both the HUD combiner assembly, being maybe some 30 cm away, and its symbology, being effectively infinitely far away, are magnified in same proportion). Moving back and forth, on the other hand, changes perspective, which has no effect on the apparent size of the objects far away. If the symbology is not covering the appropriate field-of-view through the HUD, you are viewing it unnecessarily close. You can see the same in the video I linked: sometimes the camera is brought right next to the combiner glass, so that its frames are mostly outside the field of view of the camera, but the symbology remains the same apparent size it would if viewed from the seated eyepoint.
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Yes, precisely. No, there is no such thing. Think it like that HUD imagery is overlaid with the external view, 'floating' basically infinitely far way. Just like the reticle in a reflector sight does. This way the angles displayed are correct, targeting information overlays the actual target and so on. Note that the HUD camera that captures the HUD video on many military aircraft for mission review is basically centimeters away from the assembly and it still captures the correct imagery, but the HUD frames are not visible in its view. There is something called 'eye box' that your head should remain within to view the HUD correctly. If you move your head sideways out of it, you'd clip the image from the side. If you could back your head into the seat's headrest, you'd clip the image all around, as the image projected retains its angular size while the combiner assembly, quite obviously, would not, due to shift in perspective. If you are properly seated in the cockpit, your head naturally sits in more or less correct position to view through the HUD. Edit: see here.
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Nope, that works exactly as in real life. The dimensions of the picture are defined angularly, not over the plane of the collimator glass. If you think about it, the HUD would be rather useless if it was not collimated into optical infinity or thereabouts.
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Just remember that airframe icing is not about cold temperatures alone but also atmospheric moisture being present in a liquid form. For realistic icing, the model should read the local weather as well.
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They do fold their wings. :) Not sure what is their policy on limiter override on the display routine.
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Finnish Air Force F-18C Hornet solo at RIAT 2019. From their official channel.
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Yea, probably something like that could be behind this. A better way to deal with such an issue would be to confirm there is no obstructive painting and to check the spring force in appropriate maintenance event, and repetitively if necessary. Could be why at least some services appear to not have included this into the start-up stuff, at least back in time.
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Yes, indeed. This is a very specific functional check to include into the startup flow, and generally speaking one wants to get rid of them, not to add them. There could be some quite specific reasons, perhaps maintenance findings or flight incidents, to add such a check.
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Interesting. Back in circa 2009 this was not implemented globally, and I've never seen that done. I wonder what is the reason for adding this.
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Yes, but popping that out would mean putting the avionics cooling into emergency configuration. I don't think that's part of normal startup, at least it wasn't of one I used to be involved with...
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The ram air scoop is open on a cold & dark aircraft and will close as you cycle the bleed air on ground by going full turn around on the rotary selector. I don't think there should be anything on the normal procedures that would make you to use AV COOL or ECS MODE switches to manually pop any scoop open.
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F-18's stick throw allows for pretty nice aileron punch against the roll to stop it precisely. With wrist stick (TM Warthog), it appears difficult to me to do accurately.
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Difference in the 3 F-18 Sidewinders?
AKarhu replied to testudine2002's topic in Military and Aviation
9M is an update to 9L. Changes include improvement in guidance electronics and less-smoky rocket motor. Some export customers use the Lima while others use Mike, I am not sure if any uses both. Export customers are often using 9X operationally these days anyway. 9X is an entirely different missile, having not much anything to do with the classic Sidewinder, even though it reuses the warhead and the basic rocket motor of the 9M. -
At heavy weights, the F-18 is somewhat prone to end up with hot brakes even if its landing speeds are fairly slow. I doubt, on the other hand, that the stopping distance would be any worse than other comparable aircraft of similar weights.
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Yes, basically. It is a radar processing technique combining reflection data received at different receiver locations as the radar platform moves, effectively to synthesize an apparently larger antenna, hence the name. It is not the easiest task to decades old electronics, but when realized, it greatly increases the resolution at which a given region can be mapped. A simple beam scanning ground mapping suffers from comparatively poor spatial resolution of fighter radars, and also shows a loss of resolution at increased distances.
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I wish if there once will be a dynamic campaign for DCS, it includes simulation of logistics and can put us seriously short in supply of not only cool stuff such as advanced munitions, but also pods, tanks and whatnot. All these little things would then have a meaning. :)
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I agree and it makes an interesting pairing in that they are very different airplanes in how they fly and in having clear advantages over each other in various areas, also including the systems and the basic airplane (not that this much matters in a flight sim). I'm sure that many can pick their favorites and these modules can be very complementary indeed.
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The maintenance monitor as well, which is located in the nose gear bay. Probably something else too, which I have actively forgotten. :)
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By putting the battery switch to off. You cannot unplug a list of things, but these will not consume significant power unless they are independently operated.
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External canopy switch is "hot", it does not require the battery switch to be on. Most airplanes have certain items that are always "hot" regardless of the airplane's switch configuration. In Hornet, these include the hook and I think remembering the refueling probe to name some visible ones.
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While different operators certainly do use different work flows and operate in different conditions, having ground power available is not a requirement of a Hornet for successful turnarounds with long 'off periods'. Of course, ground crews would use ground power to run complete pre-flights (and the battery would top up in the process), but if several checks were skipped, the plane should do just fine without it.
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Depends. :D
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It can be skipped, yes. The HUD would display more or less correctly without INS if in AUTO mode; could be s/n or operator specific, I don't remember for sure.
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No. Left and right engines feed from tanks 2 & 3 respectively. Tanks 1 and 4 transfer into 2 and 3 respectively. Center of gravity is automatically maintained by scheduling the tank 1 transfer on and off as a function of tank 4 level.