Nah thats a bit of a myth. They are effective out to 300~ meters but after that it does get kind of weird.
Advertisement
by Husseinarti » Mon Feb 08, 2021 4:20 pm
by TPFII » Tue Feb 09, 2021 1:47 am
by Gallia- » Tue Feb 09, 2021 3:59 am
TPFII wrote:Aren't there more modern rocket systems that use venturis to spin-stabilize the rocket?
by New Vihenia » Tue Feb 09, 2021 6:09 am
by Gallia- » Tue Feb 09, 2021 6:45 am
by Desena » Tue Feb 09, 2021 7:44 am
Gallia- wrote:It's much easier to literally just make an entirely new rocket using an inertial guidance.
PG-7 is neither optimal as a rocket nor a guided projectile. It's too small for a substantial motor, the warhead is relatively oversized as a result, and adding anything additional would just cause it not work period. The optimal projectile is closer to a uniform chode like FGM-172, which leaves plenty of room for propellant, a good warhead, and electronics necessary.
by TPFII » Tue Feb 09, 2021 8:46 am
Gallia- wrote:PG-7 is already spin stabilized, obviously. The fins are right there. I'd imagine it's the direction of canting of the stabilizing fins that makes it move into the crosswind rather than against it. Presumably M72's fins are canted in the opposite direction, and so it moves in the opposite direction.
It's as accurate as a Carl Gustav or any other recoilless projector with practice.
by Gallia- » Tue Feb 09, 2021 9:15 am
by TPFII » Tue Feb 09, 2021 10:05 am
by Gallia- » Tue Feb 09, 2021 10:12 am
by TPFII » Tue Feb 09, 2021 10:21 am
by Gallia- » Tue Feb 09, 2021 10:31 am
TPFII wrote:IMHO, the primary appeal of the RPG-7 and similar systems is that they're not limited to HEAT rockets, and the ability to be reloaded is a fairly substantial benefit in and off itself.
by Axis Nova » Tue Feb 09, 2021 11:09 am
by Gallia- » Tue Feb 09, 2021 11:19 am
by Miku the Based » Tue Feb 09, 2021 11:27 am
by Triplebaconation » Tue Feb 09, 2021 11:27 am
by Gallia- » Tue Feb 09, 2021 11:32 am
by Miku the Based » Tue Feb 09, 2021 11:43 am
by Triplebaconation » Tue Feb 09, 2021 11:48 am
by TPFII » Tue Feb 09, 2021 12:00 pm
Triplebaconation wrote:TPFII isn't taking all aerodynamic forces into account. Getting rid of the fins would most likely increase susceptibility to crosswinds.
Gallia- wrote:canted exhaust reduces forward velocity, regardless if separate motors (parasitic mass) or actually diverted.
by Gallia- » Tue Feb 09, 2021 12:11 pm
Miku the Based wrote:Just checked the stats MBT-law is three times as slow and Folgore is three times faster.
TPFII wrote:I've already asserted that the wasted space could be comparable in space to a folding fin assembly,
TPFII wrote:so I don't see it as all that different from the rocket motor utilizing a fin assembly, and the associated drag, to spin the projectile.
US Army Engineering Handbook: Design for Control of Projectiles in Flight wrote:(...) The net drag force (drag minus rocket thrust) will then have a component at right angles to the projectile velocity. In the absence of rocket thrust, or if drag exceeds thrust, the projectile will acquire a downwind lateral velocity and displacement; if thrust exceeds drag, the projectile will move upwind. (...)
by Austria-Bohemia-Hungary » Tue Feb 09, 2021 12:12 pm
by Miku the Based » Tue Feb 09, 2021 1:32 pm
Advertisement
Return to Factbooks and National Information
Users browsing this forum: No registered users
Advertisement