Looks at the 1 Russian Torpedo in game, they better gave the parachute to the alarm
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Yeah, I got that. The above is “two stage”, the nomenclature the ALARM propulsion is described with in every source I could find about it. It was never called “dual thrust” or “dual pulse”. From the looks of the missile it looks more like a “dual pulse” than a “two stage”. So either everyone calls it wrong or it really is a “two stage” where the first stage doesn’t get discarded and is used as a lengthened exhaust pipe, which effectively would make it a “dual pulse”. But on both you have the control over ignition and the profie of the fuel layout (so you could give both stages a boost+sustain burn profile).
It would just (in my opinion to be true) make more sense to use the first “stage/pulse” to bring the missile to its rough target area, deploy the parachute and wait for the target to reappear. The moment it reappears you ignite the second stage and have a much better chance to correct and hit the target with propulsion instead of just gliding.
As can be seen in this RAF document, it does not reignite its motor
You can see lack of flame when it approaches target
https://www.raf.mod.uk/what-we-do/centre-for-air-and-space-power-studies/aspr/apr-vol3-iss3-6-pdf/
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Then why bother at all and call it two stage if you don’t care about ignition sequence or delay and just burn them as they come? An AMRAAM also has Boost+Sustain but is described as “single stage”. Every other missile I know too…
As i siad before, dual thrust/burn is often described as dual stage. Even if it does not fit the definition exactly, they are used interchangeably.
“Two stage” and “dual pulse” aren’t used interchangeable as they mean completely different things as you described above yourself lol
That’s why the notions “single stage”, “two stage”, “three stage” and so on and “dual thrust” and “dual pulse” exist. Every single one of them describes a completely different way of rocket propulsion.
I never said they are
Yes, they mean different things. It does not stop the misuse tho.
Now, what they need to do is stick an ALARM seeker onto a Meteor. :P
At least the EURAAM (which was never seen again) was planned with a (S)ARH seeker (30-40 GHz active and 8-13 GHz passive). I bet with a few modifications to its HOJ mode it could function as an ARM in both of these bands with an active lock-on at the end (like the modern versions of the AGM-88) at least :D
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For example here
https://www.rafael.co.il/system/python5/
Is PYTHON 5 two stage? No.
Perhaps specifying it is a two stage motor, not missile, players a role here, but who knows.
Meh… I hate it xD
But thanks for your patience :)
Ehh, don’t worry about it.
I can’t sleep either way, so might as well waste some time on the forum :)
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It is just a boost-sustain motor
The motor manufacturer’s website also implies boost-sustain.
Spoiler
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So everyone calls it wrong, nice ^^
But 52 seconds sustainer burn are really long. Guess the 93 km range are pretty realistic for it.
That is only for a high altitude launch. From Sea Level you are probably looking at more like 30-40 km IIRC.
does this mean AGM-88 is better than ALARM since it just free falls?
ALARM only loiters when it cant find a target i think? (when target turns radar off)
if it finds one it goes for it normally iirc, just with lofting profile
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in normal ARM modes the HARM is better in speed, range, warhead and seeker
Nothingburger…like getting F18 after the Eurofighter.