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  #1  
Old 10-04-2010
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PT-The Italian Commie PT-The Italian Commie is offline
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Exclamation Okay, the picture is blurry as hell...

...it's a screencap from the Iranian television... and it seems to depict an Iranian soldier armed with an AK-style rifle equipped, in turn, with some sort of undercarried "micro" version of the RPG-7 launcher for the Iranian-manufactured "NADER" 84mm/40mm knock-off of the PG-7V rocket-propelled grenade...

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Old 10-05-2010
JCoyote JCoyote is offline
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Default Re: Okay, the picture is blurry as hell...

I'm wondering how they got any sort of recoilless effect out of that without hurting the shooter... you couldn't. Obviously it can't fire quite like the normal rpg or use the exact same ammo.
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Old 10-05-2010
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Default Re: Okay, the picture is blurry as hell...

Quote:
Originally Posted by JCoyote
I'm wondering how they got any sort of recoilless effect out of that without hurting the shooter... you couldn't. Obviously it can't fire quite like the normal rpg or use the exact same ammo.

I have wondered it as well. They probably use the exact same ammo warhead on a different launch charge, much like the Polish did with the RPG-76 "Komar", which has no backblast. As far as the recoil goes, it must be quite heavy, more than a standard 40x46mm-SR, but overall manageable I guess, since the caliber is still 40mm (and besides, it can't be otherwise if it is an undercarried weapon!). This said, my guess the gupowder booster charge section of the grenade (the tubular part that is behind the warhead itself) must be shorter in order to make the thing manageable. This also means that the grenade must have less initial speed and energy, and thus less range. So to speak, probably the same as a 40x46mm. It's not bad overall, however: at that range, a small thing as a 40mm low-velocity NATO standard vs. an 85mm RPG-7 warhead, there's much of a difference. If this thing becomes the standard underslung with the Iranians, we (the western troops in IQ and AF) might be heading for some trouble.
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"It is criminal to teach a man not to defend himself, when he is the constant victim of brutal attacks. It is legal and lawful to own a shotgun or a rifle. We believe in obeying the law." -- Malcolm X

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Old 10-19-2010
Grenadier Toebanger Grenadier Toebanger is offline
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Default Re: Okay, the picture is blurry as hell...

Thought the thing would have a blast deflector.
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Old 10-20-2010
Mk23 Mk23 is offline
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Default Re: Okay, the picture is blurry as hell...

The US military tried that same concept in the 1970s with the Brunswick RAW.

As a gross oversimplification, the warhead worked, the rocket didn't. It was accepted into limited service, but dropped.

I can't imagine this working any better.
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Old 10-20-2010
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Red face Not that I am defending Iranian products...

...but the problem with the Brunswick RAW is almost the same as any muzzle-launched artifact employed with an AR15/M16/M4-type weapon: it can be dangerous to the user because of the closed direct-gas-impringment operation of the weapon (basically a muzzle-launched rifle grenade creates a barrel clog for a certain amount of time, which can create a considerable overpressure in the gas system, blowing the gun off). The problem of dangerous overpressures in the DGI system of the M16/M4-type weapons when using muzzle-launched artifacts has been fixed only by the Israelis (most notably by RAFAEL ADVANCED DEFENSE SYSTEMS Ltd.), with the development of the SIMON (a.k.a. M100-GREM) breaching grenade, which doesn't creates an overpressure in the barrel, allowing most of the gases to vent out.

The RAW was not only heavy, it was also muzzle-propelled with all the above-mentioned problems, although the warhead itself was undercarried:



This is not the case of this Iranian launcher.

Yet, this particular object is extremely reminiscent of the McDonnel-Douglas' "Scorpion Urban Fighting Weapon":




The Scorpion UFW was McDonnel-Douglas' response to the U.S. Military MPIM ("Multi-Purpose Individual Munition") program: an undercarried weapon launcher developed to be employed using a standard M203 quick-attach/detach mounting slide (as it was intended to be fired and discarded), the Scorpion UFW fired a 50x200mm rocket up to an absolute maximum of 300 metres; the standard warhead was a HE/AP breacher able to open a man-sized hope through up to a 20-centimetres thick wall of reinforced concrete. Smoke, HE/FRAG and CS rockets were also conceived.
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"We (atheists) act in good conscience because we believe in moral principles, not because we expect a reward in Heaven." -- Margherita Hack

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