Re: XM109 + G11 = ???

Hi, thanks for the reply,

1.Well, if you look at some of the G11 target photos, they show the
shots nearly right on top of each other at some good distance
range.Even if they don't land nearly on top of each other, having that
narrow buckshot locus of distribution still gives a good hit
probability. If you're targetting a fuel tank, or using explosive
rounds, or hitting an APC, hits distributed within that close proximity
could be quite acceptable. The fact that you got off a multi-round
volley/salvo in a single trigger squeeze would still be quite useful.

2.The Steyr IWS2000 that Tony Williams posted claims penetrating an APC
at 1 km range.

3.Well, what about if you try to use newer materials, including
titanium and composites, to keep the weight of the rifle down? I read
that General Dynamics has accepted a military contract for development
of a LMG with significant weight reduction.

What about foamed metals, for example? Sandwich foam cores could offer
vibrational and shock absorption properties that mitigate impact on the
user. Please take a look at this new manufacturing technology:

http://blogs.zdnet.com/emergingtech/index.php?p=104

http://www.memagazine.org/backissues/january99/features/foams/foams.html

http://www.eureka.findlay.co.uk/archive_features/Arch_Materials/METFOAM/metfoam.htm

4.Scopes and sighting technology continues to improve. Even a TOW user
has to be able to sight his target from what may potentially be a
distance of a few km. And even if engagement is at 1.5km, there is
still benefit of having high power for anti-materiel penetration and
payload delivery (eg. explosive round)

5.Well, perhaps there could be a variety of ways to deal with recoil.
South African NWT-20 uses hydraulics, pneumatics, springs as the barrel
travels back. Croatian RT-20 is a recoilless that is said to be very
popular and widely illegally manufactured (20mm x 110mm Hispano
rounds).

http://world.guns.ru/sniper/sn56-e.htm
http://world.guns.ru/sniper/sn55-e.htm

I was wondering if the backblast could be drawn via a 1-way valve into
an airbag cushion
that would simply cushion the shock for the user. The recoil force
would still be there, but just spread out more comfortably. The cushion
would stay inflated until drained by the user, and would be
continuously topped up by successive further shot backblasts.

Imagine if a sliding barrel could open/expose vents/slats as it moved
backwards, allowing gas to vent along the length of the barrel after
the bullet has left. That could help to significantly reduce recoil. Or
what about some digitally timed valve, like they use in newer auto
engines - perhaps a rotary valve? Apertures could be opened at high
speed to allow better venting to divert gas away from recoil.

I was going to start a separate thread about that ApNano/IsraCast
inorganic fullerence armor. Beyond armor applications, I wanted to know
if it could be used to make a better rifle barrel. Or what about
ceramic composites for that purpose?

Comments?

.

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