Chinese Hypersonic Developments (HGVs/HCMs)

Blitzo

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YJ-17 and 20 look kinda small, are they smaller than UVLS dimensions? What I mean is, are they utilizing the full dimensions of the UVLS?

YJ-17 and YJ-20 look sized right to me.

And yes, they would utilize the full dimensions of the UVLS. Remember the UVLS diameter is 0.85m, so the missile itself is a bit smaller than that to account for the missile canister wall. Then remember that YJ-20 (and also likely YJ-17) is cold launched, which shaves off a bit of the maximum canister 9m length to account for the cold launch mechanism.
 

sr338

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YJ-17 and YJ-20 look sized right to me.

And yes, they would utilize the full dimensions of the UVLS. Remember the UVLS diameter is 0.85m, so the missile itself is a bit smaller than that to account for the missile canister wall. Then remember that YJ-20 (and also likely YJ-17) is cold launched, which shaves off a bit of the maximum canister 9m length to account for the cold launch mechanism.
The total height of the VLS itself is about 12m (see below). The 9m is likely to be fully used since the other 3m is for the cold launch mechanism.

008eh9pugy1hk58q6qnc7j311c0s0gu3.jpg
 

BasilicaLew

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Why should you be? The Russians started working on ramjets back in WW2. They never stopped development of such missiles and unlike the US they had the Mach 20 wind tunnel test facilities.

It is the US that in the 1970s dropped funding of ramjets and chose to use computer simulation instead of wind tunnels to save money.

The Russians were the first to have an operational scramjet.
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well clearly they couldn't produce it enmass, or it was too issue prone to produce enmass. Or it would be a very helpful tool in Ukraine
 

Blitzo

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The total height of the VLS itself is about 12m (see below). The 9m is likely to be fully used since the other 3m is for the cold launch mechanism.

View attachment 159417

That seems doubtful to me because it would imply the lower cold launch mechanism would also be utilized for the shorter length cells as well such as 7m etc, whereas it makes more sense for cold launch mechanisms to be integral to each missile canister.
The additional length near the base makes more sense to be something structural instead.
 
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