SamuraiBlue
Captain
Could you mix a cold launch with a "hot" launch within the same system?
I assume that since VLS are all the same for each tube, ventilation or exhaust for "hot" launch will not work with a cold launch missile.
Russian Military News, Reports, Data, etc.
- Thread starter tphuang
- Start date
Could you mix a cold launch with a "hot" launch within the same system?
I assume that since VLS are all the same for each tube, ventilation or exhaust for "hot" launch will not work with a cold launch missile.
Hyperwarp
Captain
Yikes, NO! They are completely separate. What I meant was PRC uses a mix of launch systems. USN uses exclusively hot launching while Russians at least for SAMs use only cold launching. Right now PRC uses both. The 051C and 052C use cold launch SAMs while the 054A uses hot launching. But with the 052D, 055 coming out, looks like 051C, 052C type cold launch systems will be on the way out.
SamuraiBlue
Captain
???
I'm confused, are you able to have a mixed package of cold and hot launch missiles within the same VLS batch on the same ship?
If so it sounds as if there is going to be extensive piping to be done after the missiles had been placed within the VLS.
JayBird
Junior Member
Hyperwarp meant PRC use hot and cold launch systems on different ships.
shen
Senior Member
The VLS on 52D is capable of both cold and hot launch.
"The universal VLS can cold launch missiles, such as the HHQ-9, but it also can hot launch missiles such as the HHQ-16. However, unlike the Mk 41-type VLS on the Type 054A frigate that has visible exhaust vents between the launch cell rows, the universal VLS employs a concentric canister launch approach with exhaust vent paths within each launch cell.
...
One key fact about this Chinese universal VLS launcher is its similarity to the new U.S. Mk 57 peripheral VLS currently being introduced on the U.S. Navy’s DDG 1000 Zumwalt class. Both have hot and cold launch capable cells, but the Mk 57 does not have three different module depths. All Mk 57 modules are 14.2 feet deep (4.3 meters), with module width of 7.25 feet (2.2 meters) and canister length of 283 inches (7.19 meters) and canister width of 28 inches (711 millimeters).
Compared with the Mk 57 VLS, the Chinese universal VLS can launch much larger diameter and longer missiles. The GJB on the Chinese VLS was published in 2006 while the Mk 57 still was in development. The design timelines basically are in parallel, as are the first ship install milestones. So, the prior five or more year lag from Chinese to Western new weapon designs no longer exists for VLS."
thunderchief
Senior Member
P-800 is sort of semi-hot launched . As you could see from the video, missile is propelled relatively slowly in the air with first stage, and then second stage kicks in and it goes supersonic . Reason is simple, you need to keep wait of the launcher to a reasonable limit and allow multiple firings from it .
On the other hand, P-500 utilizes much heavier slanted launchers. As far as I know there was no version of P-500 for coastal defense or smaller ships . Therefore, it has one-stage large rocket booster and then its turbojet is started . 0:13 on video .
thunderchief
Senior Member
P-700 has launch system similar to P-500. No videos, but you could see from pictures that those launchers are also slanted and utilize hot launch .
Again, no coastal or versions for small ships, so it seems acceptable
Again, no coastal or versions for small ships, so it seems acceptable
SamuraiBlue
Captain
So if I am understanding this correctly, basically this system is not able to quad pack like ESSM since the exhaust passes within each canister, interesting.
Miragedriver
Brigadier
Laser-Powered Ship Repair Facility Launched in Russia’s Far East
A pioneering laser repair works project for the metal parts of ships and vessels was launched in Russia’s Primorye Territory, the regional administration reported on its website.
The project was designed by the Far East Branch of the Russian Academy of Sciences, together with the Far East Federal University and company Dalzavod. The robotic systems will be equipped with high-power lasers, the report read.
"With the use of lasers, coats of various metals will be put on broken parts to fully restore them. Lasers are a versatile instrument – it cuts materials, welds them, as well as cleans surfaces," it pointed out.
The pioneering project is planned to be expanded to a full-scale repair facility in the coming three years.
"Currently, a large ship-making facility Zvezda is being built in the region. Repair yards now have the need for laser repair technologies. Repair is much less expensive than buying new costly parts," Vice-Governor Vasily Usoltsev said.
"The technology [of laser repair] is being developed not as a scientific experiment, but as an actual order from the industry. The founders of the new facility already have contracts with several companies," he added.
He underscored that the region will use the upcoming project to join the federal program for the creation of engineering centers.
Link:
Back to bottling my Grenache
A pioneering laser repair works project for the metal parts of ships and vessels was launched in Russia’s Primorye Territory, the regional administration reported on its website.
The project was designed by the Far East Branch of the Russian Academy of Sciences, together with the Far East Federal University and company Dalzavod. The robotic systems will be equipped with high-power lasers, the report read.
"With the use of lasers, coats of various metals will be put on broken parts to fully restore them. Lasers are a versatile instrument – it cuts materials, welds them, as well as cleans surfaces," it pointed out.
The pioneering project is planned to be expanded to a full-scale repair facility in the coming three years.
"Currently, a large ship-making facility Zvezda is being built in the region. Repair yards now have the need for laser repair technologies. Repair is much less expensive than buying new costly parts," Vice-Governor Vasily Usoltsev said.
"The technology [of laser repair] is being developed not as a scientific experiment, but as an actual order from the industry. The founders of the new facility already have contracts with several companies," he added.
He underscored that the region will use the upcoming project to join the federal program for the creation of engineering centers.
Link:
Back to bottling my Grenache