Share Your Interesting But Not Very Useful Facts
Discussion
kers. 
talksthetorque said:
coppernorks said:
talksthetorque said:
This fact is only 10 posts old.
Posts are not really units of time, I checked, and no deal. I suugest that if you scroll up fast enough it might be 11 posts old.
Concorde routinely grew around 6-8” in length due to the heat generated by surface friction at Mach 2.
There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
Crossflow Kid said:
Concorde routinely grew around 6-8” in length due to the heat generated by surface friction at Mach 2.
There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
In the cockpit of the Concorde at Filton, the last Captain's hat is still wedged between two panels on the wall, because that's where the Captain put it when they were coming in to land the last time.There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
SpeckledJim said:
Crossflow Kid said:
Concorde routinely grew around 6-8” in length due to the heat generated by surface friction at Mach 2.
There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
In the cockpit of the Concorde at Filton, the last Captain's hat is still wedged between two panels on the wall, because that's where the Captain put it when they were coming in to land the last time.There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
Bright Halo said:
Ayahuasca said:
P-Jay said:
Which brings me to... Calibre in firearms just refers to the diameter of the bore of the barrel.
Both of these bullets are .50 Calibre, the one of the left is a .50 AE (action express) from something like a Desert Eagle, it weighs around 20g and will travel at about 1500ft per second, the one right is a .50 BMG (Browning Machine Gun) from well, a Browning Machine Gun or one of those Barrett anti-material rifles and will roughly match sloples post, but they make a range of them.
It's also why Dirty Harry could legitimately claim his .44 was the most powerful handgun in the world in the 70s, when the larger calibre .45 had been around for decades before. I'm sure a proper gun nut will argue whether Harry was right or not.
It was a .44 magnum that generates pressures of 36,000 PSIBoth of these bullets are .50 Calibre, the one of the left is a .50 AE (action express) from something like a Desert Eagle, it weighs around 20g and will travel at about 1500ft per second, the one right is a .50 BMG (Browning Machine Gun) from well, a Browning Machine Gun or one of those Barrett anti-material rifles and will roughly match sloples post, but they make a range of them.
It's also why Dirty Harry could legitimately claim his .44 was the most powerful handgun in the world in the 70s, when the larger calibre .45 had been around for decades before. I'm sure a proper gun nut will argue whether Harry was right or not.
The .45 ACP has a larger bullet, but generates pressure of 21,000 PSI.
The .44 magnum apparently generates around three times the overall power of the .45 so Harry was probably right.
The .454 Casull cartridge (65,000psi) was the most powerful handgun cartridge at the time. Developed in 1957. It had 75% more recoil energy than the .44Magnum so would be difficult to handle and control.
Maybe Old Harry should have added the "commercial available" caveat to his famous line?
Crossflow Kid said:
SpeckledJim said:
Crossflow Kid said:
Concorde routinely grew around 6-8” in length due to the heat generated by surface friction at Mach 2.
There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
In the cockpit of the Concorde at Filton, the last Captain's hat is still wedged between two panels on the wall, because that's where the Captain put it when they were coming in to land the last time.There’s a cross-hatched area on the flight engineer’s desk with the warning “Do Not Place Any Items Here”, to prevent manuals, coffee cups etc getting trapped between the engineer’s panel and cockpit bulkhead.
P-Jay said:
Bright Halo said:
Ayahuasca said:
P-Jay said:
Which brings me to... Calibre in firearms just refers to the diameter of the bore of the barrel.
Both of these bullets are .50 Calibre, the one of the left is a .50 AE (action express) from something like a Desert Eagle, it weighs around 20g and will travel at about 1500ft per second, the one right is a .50 BMG (Browning Machine Gun) from well, a Browning Machine Gun or one of those Barrett anti-material rifles and will roughly match sloples post, but they make a range of them.
It's also why Dirty Harry could legitimately claim his .44 was the most powerful handgun in the world in the 70s, when the larger calibre .45 had been around for decades before. I'm sure a proper gun nut will argue whether Harry was right or not.
It was a .44 magnum that generates pressures of 36,000 PSIBoth of these bullets are .50 Calibre, the one of the left is a .50 AE (action express) from something like a Desert Eagle, it weighs around 20g and will travel at about 1500ft per second, the one right is a .50 BMG (Browning Machine Gun) from well, a Browning Machine Gun or one of those Barrett anti-material rifles and will roughly match sloples post, but they make a range of them.
It's also why Dirty Harry could legitimately claim his .44 was the most powerful handgun in the world in the 70s, when the larger calibre .45 had been around for decades before. I'm sure a proper gun nut will argue whether Harry was right or not.
The .45 ACP has a larger bullet, but generates pressure of 21,000 PSI.
The .44 magnum apparently generates around three times the overall power of the .45 so Harry was probably right.
The .454 Casull cartridge (65,000psi) was the most powerful handgun cartridge at the time. Developed in 1957. It had 75% more recoil energy than the .44Magnum so would be difficult to handle and control.
Maybe Old Harry should have added the "commercial available" caveat to his famous line?
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