Comments by "Peter" (@peter65zzfdfh) on "Did a Russian Kh-47M2 Kinzhal fall into the Dnipro River near Kyiv?" video.

@nvelsen1975 This isn't an 'older building' this is a relatively new apartment. They don't build things for 'the average' the build them for 99th percentile. Standards are international. There's not been a building with less than 2.1m ceiling in a century, and floor heights are greater than ceiling heights.
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@nvelsen1975 Modern floor heights are pretty standard worldwide, generally around 3m for residential and 4m for offices. There's not been a 2m floor height since the middle ages. Ceiling height might be as little as 2.1m but is usually a safe minimum of 2.3m and then another 70cm is the floor/ceiling structure as they need to run pipes, have some concrete for the next floor. Generally residential buildings are close to the minimum 3m unless particularly expensive. There's ISO standards for all this, most countries import things and often have international design firms for large buildings. Unless it's a self build house or ultra luxury apartment you can be pretty sure of the height no matter where you are.
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@nvelsen1975 you're also aware if he over-estimated the floor height, then the person filming was actually further away, making the object bigger, thus not changing the conclusion of the video at all? So kind of a weird thing to jump on.
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@nvelsen1975 Just to prove the point, even a Soviet 'khrushcevka' apartment had a ceiling at least 2.48m high.
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The recording height is obviously much higher, the splash was up to the 16th floor of the building opposite (each grouping is 2 stories). An IRIS-T that far away would barely be visible.
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The bare minimum soviet apartment was 2.58m to ceiling (often higher - the joke was they felt lower :o ), so higher than most western buildings of the time. Most modern apartments are 3-3.3m floor plates and this looks pretty modern, given it has a website for the development looking like it's < 10 years old. There's not been a ceiling in an apartment below 2.4m in decades even in the west, they need to sell. New buildings are also often designed by international firms and it's simply not worth the savings to make buildings less high than is common. 30cm is very very undersized as it's not just the floor (itself often 30cm) but also there are usually pipes under there for things like toilets/showers and sinks in the apartment above. So more like 70cm as otherwise you need to box out weird uneven ceilings.
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Once it starts tumbling it's as aerodynamic as a brick, and an interceptor will impart a velocity change of it. Also a ballistic missile will be almost vertical in the final part of the trajectory.
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An IRIS-T would be the width of a hair at that distance. And the building in the picture the splash was up to the 16th story (each grouping is 2 stories). If there was more air resistance than expected it's even LESS likely to be an IRIS-T. So you're arguing against yourself with that one.
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