SARH missile question

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SARH missile question - 5/13/2014 8:19:33 AM

Agiel

Posts: 39
Joined: 7/22/2013
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So decided to give one of the Red Storm scenarios a go and ganged up on this one Flanker with three Eagles. I had them close to a fairly close distance to maximise pK and ordered them all to Fox 1 simultaneously, the Flanker getting off a missile almost immediately after the Sparrows left their rails. Happily one of the Sparrows found its mark with the AA-10 still in the air and I thought to myself: "Well don't have to worry about that Alamo anym-"

*BOOM*

i.imgur.com/5l9P6BL.png

Bug? Remnant radar illumination? The proximity fuse of the missile doing its job? Realise you guys would love to see a track, but can someone tell me what happened?

< Message edited by Agiel -- 5/13/2014 9:19:57 AM >

Post #: 1

RE: SARH missile question - 5/13/2014 8:41:52 AM

DeltaIV

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Joined: 3/3/2014
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I think that this is completely correct.

Alamo C uses preprogrammed flight path with mid-course updates. For the final phase (or after the "datalink" is lost), the onboard radar lights up and missile is completely autonomous.

(in reply to Agiel)

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RE: SARH missile question - 5/13/2014 9:53:29 AM

Dimitris

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Semi-active weapons have a 5-second "slack" that allows them to temporarily keep tracking a target without successful illumination. This emulates both proximity fuzes and also the "tracking memory" feature that most such weapons have in order to cope with glitches/fluctuations in guidance (and jamming/LOS-blockage spikes).

In your case the Alamo impacted just 3 seconds after guidance was lost, so you can assume it was close enough that the proximity fuze did its work.

Thanks.

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RE: SARH missile question - 5/13/2014 4:55:28 PM

Tomcat84

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when you start getting close to the last couple seconds you should probably still be worried.

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RE: SARH missile question - 5/13/2014 6:44:32 PM

ckfinite

Posts: 377
Joined: 7/20/2013
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The AA-10/R-27 has no onboard radar - then it would be an ARH missile (like the R-77 or AMRAAM), instead of a SARH missile. Adding an onboard illuminator would be nontrivial, to say the least, and no variant with the R-27 seeker and ARH exists. The Chinese have replaced the R-27s seeker with the R-77 seeker, though, so there are ARH R-27s, I just don't consider them to be R-27s anymore.

(in reply to DeltaIV)

Post #: 5