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The FReeper Foxhole's TreadHead Tuesday - The BMP Infantry Fighting Vehicles - Jul. 13th, 2004
www.fas.org ^

Posted on 07/13/2004 12:00:10 AM PDT by SAMWolf



Lord,

Keep our Troops forever in Your care

Give them victory over the enemy...

Grant them a safe and swift return...

Bless those who mourn the lost.
.

FReepers from the Foxhole join in prayer
for all those serving their country at this time.


...................................................................................... ...........................................

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BMP-1




The Bronevaya Maschina Piekhota (BMP-1) was first built in the early 1960s and seen in public in November 1967 at a Red Square parade. It was called the M-1967 and BMP by NATO before its correct designation was known. The BMP represented an important shift from the concept of an armored personnel carrier to an armored infantry combat vehicle, combining high mobility, effective anti-tank weapons, and armored protection for carrying troops. The BMP is significantly smaller than Western APCs and has considerably greater firepower. The BMP-1 was innovative in that it allowed the infantry being carried to fire their personal weapons from within the vehicle whilst remaining protected by armour. To do this firing ports and vision devices were provided for each infantry soldier. Thus the BMP became the first Infantry Combat Vehicle. The BMP-1 carrys a crew of three to eight. The BMP replaced the BTR-50P and complements the BTR-60PB in first-line motorized rifle units.


BMP-1


A combination of effective antitank firepower, high mobility, and adequate protection made the BMP a formidable addition to the inventory of Soviet motorized rifle units. Designed to suit the demands of high-speed offensive in a nuclear war, it carries a 73mm, 2A20 gun with maximum rounds of 40 and maximum range of over 7,000 ft. Its 73-mm main gun fires a rocket-assisted, fin- stabilized HEAT projectile with an effective range of 800 meters medium (capable of successfully engaging tanks at ranges up to 1,300 meters) and is equipped with an automatic loader. The main armament of the BMP1 is unusual, in that it fires the same ammunition as the RPG-7 infantry rocket propelled grenade launcher. A launching rail for the AT-3 Sagger antitank guided missile is located above the gun for longer range antitank capability (up to 3,000 meters).



The BMP is a fully armored amphibious infantry combat vehicle (AICV). Its low silhouette hull has a sharp sloping front with a conspicuously ridged surface. A centrally located, extremely flat, truncated cone turret mounts a 73-mm smoothbore gun and a 7.62-mm coaxial machine gun. A launching rail for SAGGER missiles is attached above the gun. The 290 hp, water-cooled, 6- cylinder diesel engine is located at the right front, while the driver's hatch is at the left front, directly in front of the commander's hatch which mounts an IR searchlight. The gunner's hatch is on the left side of the low turret roof. To the rear of the turret there are four large hatches in the roof of the troop compartment, as well as two large exit doors in the rear. There are four firing ports in each side of the troop compartment and one in the left rear door. The suspension has six unevenly spaced road wheels of the PT-76 type, with three track support rollers and a front drive sprocket.



The BMP is amphibious, propelled through water by its tracks rather than using the waterjet propulsion of the PT-76, and has the range and speed necessary to keep up with the fast-moving tanks it normally follows in offensive formations.

The BMP has a three-man crew, including the vehicle commander, who becomes the squad leader when the infantry passengers dismount through the rear exit doors. However, vision blocks and firing ports in the sides and rear of the troop compartment allow the infantrymen to fire assault rifles (AKM or AK-74) and light machine guns (PKM or RPK-74) from inside the vehicle on the move. The troops also carry the RPG-7 or RPG-16 AT grenade launcher and the SA-7/ GRAIL or SA-14 SAM, either of which can be fired by a passenger standing in a rear hatch. When buttoned up, crew and passengers have NBC protection in the pressurized and filtered hull, which allows them to operate regardless of the outside environment.



The BMP is equipped with an infrared searchlight, periscopes, and sights for night operations and has a capability to make its own smoke screen by injecting diesel fuel into the exhaust manifold.

Because of the extreme vulnerability demonstrated by the BMP in the 1973 Middle East war, there has been extensive debate in the Soviet Army as to how this vehicle should be used in battle. The BMP has relatively thin armor (maximum thickness 19 mm in the hull, 23 mm in the turret) which provides protection against .50 caliber armor-piercing rounds only over the 60° frontal arc, and the vehicle is extremely vulnerable to ATGM and tank fire. Due to the compactness of the vehicle, critical areas such as the engine compartment and ammunition storage area (on the right side), fuel cells (in the rear doors), and the troop compartment are located in such a manner that penetration anywhere on the vehicle normally will result in a mobility, firepower, or personnel kill.



Because of limited capability to depress the main gun, the BMP is unable to engage tanks and APCs from good hull-down positions, and so is very vulnerable to enemy fire when it exposes itself to engage targets.



Although the turret can traverse 360 degrees, the main gun and coaxial machine gun must be elevated to clear the IR searchlight on the commander's cupola, creating a dead space for both weapons between 10:00 and 11:00 o'clock. This limitation could be a serious problem during an engagement since an automatic cutoff on the electrically operated turret halts movement until the gun is elevated.



The BMP can maintain its top speed (70 km/h) for only short periods of time because of the high amount of vibration and the possibility of transmission failure. Due to the complicated loading mechanism and the lack of stabilization, it is not possible to accurately fire the 73-mm gun or the coaxial machine gun while on the move over rough terrain. The BMP must be stationary when firing and tracking the SAGGER ATGM. The SAGGER is difficult to reload and cannot be reloaded at all under NBC conditions. The land navigation system must be zeroed every 30 minutes.



TOPICS: VetsCoR
KEYWORDS: armor; bmp1; bmp2; bmp3; freeperfoxhole; ifv; russia; sovietunion; tanks; treadhead; veterans; warsawpact
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To: PhilDragoo
At left, SAM's; right, snippy's

LOL. It's good to have your own tank.

121 posted on 07/13/2004 10:38:58 PM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: PhilDragoo
Evening Phil Dragoo.

At left, SAM's; right, snippy's

Notice the slim, low profiles. :-)

This North Korean model runs on bark.

So does most of the NK civilain population.

China uses these to run over democracy advocates.

Very effective against unarmed civilians but China has a lot of practice and is good at that.

"The senator has his own intelligence and security advisers."

LOL!

122 posted on 07/13/2004 10:44:58 PM PDT by SAMWolf (Talk is cheap because Supply exceeds Demand.)
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To: w_over_w
How do the "tracks" move a heavy vehicle like this through water?

I'm no engineer or physicist but I'll take a stab at it. Water makes things lighter(buoyancy)... that and the tracks propel the tank forward.

I looked up tank propulsion but didn't have much luck finding the theory. :-(

123 posted on 07/13/2004 10:45:48 PM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: PhilDragoo
LOL! Phil...

Some one get me the H... out of this Democratic convention

This is your last chance Heretic......renounce God.....renounce Ralf Nader..


"The heretic burned because he could not differentiate between what mattered.

When asked.....are you a Gay Democrat.....he answered....no....just a lover of life and small animals.

"You see......The Heretic doomed himself by this answer"

124 posted on 07/13/2004 11:00:41 PM PDT by Light Speed
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To: PhilDragoo
BMP-3 INFANTRY COMBAT VECHICLE DRIVING SIMULATOR

Now they make that a Panther, Tiger or Sherman Simulator and I might consider getting one.

125 posted on 07/13/2004 11:06:25 PM PDT by SAMWolf (Talk is cheap because Supply exceeds Demand.)
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To: Trteamer

We are thankful for your uncle's service and hope you can find out more about his unit.


126 posted on 07/13/2004 11:58:50 PM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: SAMWolf
LOL! No reason to be sorry, Snippy and I are interchangeable. :-)

LOL. I wish I were as knowledgeable as you and you were as calm as me. :-)

127 posted on 07/14/2004 12:01:48 AM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: Victoria Delsoul

Evening Victoria.


128 posted on 07/14/2004 12:02:04 AM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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To: stand watie

It's good she's home, you'll both sleep better tonight.


129 posted on 07/14/2004 12:03:05 AM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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Comment #130 Removed by Moderator

To: snippy_about_it
and you were as calm as me

Hey!!Are you saying I'm not calm

131 posted on 07/14/2004 12:12:50 AM PDT by SAMWolf (The Lab called,..... Your brain is ready!)
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To: SAMWolf

LOL. Calm like the sea....during a storm. ;-)


132 posted on 07/14/2004 12:15:45 AM PDT by snippy_about_it (Fall in --> The FReeper Foxhole. America's History. America's Soul.)
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Comment #133 Removed by Moderator

Comment #134 Removed by Moderator

To: PhilDragoo

BTTT!!!!!!!


135 posted on 07/14/2004 3:07:22 AM PDT by E.G.C.
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To: SAMWolf
A machine I have always been interested in. Obviously shares development with the PT76 of Lang Vei memory.

Darn BMP, they say, is amazingly cramped inside, just the worst imaginable, and then worse yet. Likely the 5'4" maximum tallness requirement applies.

The original engine and transmission were of WWII standards, that is, pretty bad, but probably much improved of late.

The 100mm HE-FRAG is appropriate, as the machine has obvious recon possibilities.
136 posted on 07/14/2004 3:56:17 AM PDT by Iris7 ("Democracy" assumes every opinion is equally valid. No one believes this is true.)
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To: SAMWolf
I read that at that time the Berlin garrison was to hold out as long as possible and tie up as many Soviet troops as they could

Yep. I had a buddy who did a tour with the Berlin Brigade. They were under no illusions. Still, he loved the unit and the assignment.

137 posted on 07/14/2004 9:01:56 AM PDT by colorado tanker
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To: Valin
I'm glad we never had a chance to find out

Amen. God bless Ronald Reagan for ending the Cold War peacefully.

138 posted on 07/14/2004 9:03:36 AM PDT by colorado tanker
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To: Matthew Paul

The Glauberyt likes like it used the Mini Uzi as a basis.

Nice looking weapons.


139 posted on 07/14/2004 9:04:01 AM PDT by SAMWolf (The Lab called,..... Your brain is ready!)
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To: Iris7

I'll give the Russians credit for always seeming to design low profile vehicles, of course it comes at the expense of crew comfort but that's never seemed to be a priority of Soviet designs.


140 posted on 07/14/2004 9:05:45 AM PDT by SAMWolf (The Lab called,..... Your brain is ready!)
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