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#4543460 - 11/04/20 10:44 PM A 1000 mile CANNON?!?  
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How can this even be possible? How could you even make a barrel strong enough to survive the explosive forces with something like that???

I can't even believe it, but as far as I know Popular Mechanics isn't exactly The Onion or National Enquirer.......

https://www.popularmechanics.com/mi...long-range-cannon-bring-back-battleship/

Inline advert (2nd and 3rd post)

#4543461 - 11/04/20 10:52 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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Doesn't Popular Mechanics often -a and famously - invoke and/or trumpet absurd speculative technology? I have a few of their old covers mucking about with silly old concepts which are really quite bizarre.

[Linked Image]

[Linked Image]

[Linked Image]

Stuff like this.


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#4543463 - 11/04/20 11:02 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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Okay I just clicked on the "leaked photos" link in the article (which obviously isn't real photos) and there's speculation of things like rocket assist or ramjets being involved.

Which means the thing is a missile launcher, not a cannon...

Funny, I've read quite a few Popular Mechanics articles over the years and never saw reason to question them, but this one, yeah kind of dodgy.....

#4543470 - 11/04/20 11:30 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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It's an artillery round with rocket/ramjet boost but it is artillery. There is a Norwegian company that already produced a ramjet assisted artillery shell, for use in existing artillery pieces thus greatly increasing the range without an entirely new weapon. But these are 155mm rounds, the 1000+ mile cannon is expected to be 8-12" diameter rounds.

I suspect they will also include precision terminal guidance (GPS, millimeter wave radar etc.)

While this is an army program I suspect teh US Navy will, or at least should, show some interest if it is successful. A modern "battleship" armed with 2-4 of these would be very useful.


"In the vast library of socialist books, there’s not a single volume on how to create wealth, only how to take and “redistribute” it.” - David Horowitz
#4543474 - 11/04/20 11:45 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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that cover with the diver on the sled they did/maybe still do make them, hang my mate Davey and I made one to tow behind my boat, which was great fun and a big steep learning curve , the shield at the front on that needs to be a tad bigger, water flowing up the arms from the wrists filled the drysuit in seconds, it blew out like a balloon, took a fair bit of air to get the water out too, hanging upside down on the surface like a balloon blowing the water back out the wrist and neck seals fun smile
even at the slowest speed my boat would go if you popped your head up it would rip your mask off. Still it was fun and we had a lot of fun making the boards, starting off with just a board with a had grip right up to well it was more like a ladder with a central spine and open sided rungs that we could put our feet on, first mistake was making control surfaces too big, water is 800 times denser than air so you only need tiny controls biggrin


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#4543475 - 11/04/20 11:51 PM Re: A 1000 mile CANNON?!? [Re: Alicatt]  
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Originally Posted by Alicatt
water flowing up the arms from the wrists filled the drysuit in seconds, it blew out like a balloon, took a fair bit of air to get the water out too, hanging upside down on the surface like a balloon blowing the water back out the wrist and neck seals fun [...] even at the slowest speed my boat would go if you popped your head up it would rip your mask off. Still it was fun and we had a lot of fun making the boards, starting off with just a board with a had grip right up to well it was more like a ladder with a central spine and open sided rungs that we could put our feet on, first mistake was making control surfaces too big, water is 800 times denser than air so you only need tiny controls biggrin


Holy moly, really? I don't think I can put into words just how much fun that sounds. I honestly thought the cover was some fictional mishmash.


"The air is the only place free from prejudices."
- Bessie Coleman, the first African-American woman to become an airplane pilot, 1921
#4543483 - 11/05/20 12:53 AM Re: A 1000 mile CANNON?!? [Re: That_1_Trains_Girl]  
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Originally Posted by That_1_Trains_Girl

Holy moly, really? I don't think I can put into words just how much fun that sounds. I honestly thought the cover was some fictional mishmash.

We made it as we wanted to explore the seabed, we used to go out in February March time as the kelp had not started to grow yet and the water was clear, mark up interesting spots to visit and use that for a series of dives, we had rough marks for a lot of sunken ships and we used that to find them in no more than 15m of water. Davey was writing a book on diving around the north coast of Scotland, the two of us were as thick as thieves, we dived for scallops 25cm - 30cm (10" to 12") across, where the fishing boats could not get to them, couple of dives in 30m of water and you could pocket £120 (around 1990) not bad for an hour or so work and the fish selling company was always on the phone asking for more they paid a premium for the hand harvested scallops smile That paid for the rest of the trips up and down the coast diving and fishing.


Chlanna nan con thigibh a so's gheibh sibh feoil
Sons of the hound come here and get flesh
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#4543487 - 11/05/20 01:12 AM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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The fire fighting armored vehicle is real too.

And SpaceX is working on the coast to coast (or anywhere in the world) in 90 minutes.

Last edited by F4UDash4; 11/05/20 02:15 AM.

"In the vast library of socialist books, there’s not a single volume on how to create wealth, only how to take and “redistribute” it.” - David Horowitz
#4543489 - 11/05/20 01:19 AM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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Originally Posted by Zamzow
How can this even be possible? How could you even make a barrel strong enough to survive the explosive forces with something like that???

I can't even believe it, but as far as I know Popular Mechanics isn't exactly The Onion or National Enquirer.......

https://www.popularmechanics.com/mi...long-range-cannon-bring-back-battleship/





The propellant would have to be super progressive, as in maintain its pressure and energy for much long than a conventional cannon, although it may not necessarily have a higher peak pressure.

#4543491 - 11/05/20 01:33 AM Re: A 1000 mile CANNON?!? [Re: Alicatt]  
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Originally Posted by Alicatt
We made it as we wanted to explore the seabed, we used to go out in February March time as the kelp had not started to grow yet and the water was clear, mark up interesting spots to visit and use that for a series of dives, we had rough marks for a lot of sunken ships and we used that to find them in no more than 15m of water. Davey was writing a book on diving around the north coast of Scotland, the two of us were as thick as thieves, we dived for scallops 25cm - 30cm (10" to 12") across, where the fishing boats could not get to them, couple of dives in 30m of water and you could pocket £120 (around 1990) not bad for an hour or so work and the fish selling company was always on the phone asking for more they paid a premium for the hand harvested scallops smile That paid for the rest of the trips up and down the coast diving and fishing.


That sounds like it led to some stories! I wish I didn't have a lifelong fear of swimming and/or the water, 'cause diving sounds mad fun.


"The air is the only place free from prejudices."
- Bessie Coleman, the first African-American woman to become an airplane pilot, 1921
#4543493 - 11/05/20 01:40 AM Re: A 1000 mile CANNON?!? [Re: Alicatt]  
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Originally Posted by Alicatt
that cover with the diver on the sled they did/maybe still do make them, hang my mate Davey and I made one to tow behind my boat, which was great fun and a big steep learning curve , the shield at the front on that needs to be a tad bigger, water flowing up the arms from the wrists filled the drysuit in seconds, it blew out like a balloon, took a fair bit of air to get the water out too, hanging upside down on the surface like a balloon blowing the water back out the wrist and neck seals fun smile
even at the slowest speed my boat would go if you popped your head up it would rip your mask off. Still it was fun and we had a lot of fun making the boards, starting off with just a board with a had grip right up to well it was more like a ladder with a central spine and open sided rungs that we could put our feet on, first mistake was making control surfaces too big, water is 800 times denser than air so you only need tiny controls biggrin


Made me think of the "Subwing"...

https://www.youtube.com/watch?v=KLaBXMvDVU8

#4543495 - 11/05/20 02:46 AM Re: A 1000 mile CANNON?!? [Re: That_1_Trains_Girl]  
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Originally Posted by That_1_Trains_Girl
Doesn't Popular Mechanics often -a and famously - invoke and/or trumpet absurd speculative technology? I have a few of their old covers mucking about with silly old concepts which are really quite bizarre.


That is largely my impression as well. We used to get it when I was a kid, and there would be some good articles in it, but the cover stories were often a little out there.


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#4543521 - 11/05/20 11:47 AM Re: A 1000 mile CANNON?!? [Re: Alicatt]  
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Originally Posted by Alicatt
that cover with the diver on the sled they did/maybe still do make them,



It looks like something you'd see James Bond using.


“Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.”
#4543522 - 11/05/20 12:03 PM Re: A 1000 mile CANNON?!? [Re: Arthonon]  
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Originally Posted by Arthonon
Originally Posted by That_1_Trains_Girl
Doesn't Popular Mechanics often -a and famously - invoke and/or trumpet absurd speculative technology? I have a few of their old covers mucking about with silly old concepts which are really quite bizarre.

That is largely my impression as well. We used to get it when I was a kid, and there would be some good articles in it, but the cover stories were often a little out there.


My principal point of interaction with Popular Mechanics is their Cold War era covers, which are quite amusing by today's standards on account of how much of early computing history was seen as "speculative." The LEO and BINAC both featured prominently on more than a few PM covers, and I guess the latter remained within the purview of fiction, as it would never come alive. The wall behind me is actually home to a PM cover right now, asking the question of "Does the UNIVAC really think?"


"The air is the only place free from prejudices."
- Bessie Coleman, the first African-American woman to become an airplane pilot, 1921
#4543526 - 11/05/20 12:37 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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Originally Posted by Zamzow
How can this even be possible? How could you even make a barrel strong enough to survive the explosive forces with something like that???

I can't even believe it, but as far as I know Popular Mechanics isn't exactly The Onion or National Enquirer.......

https://www.popularmechanics.com/mi...long-range-cannon-bring-back-battleship/





Instead of one massive charge to propel the shell the whole way, one could do like the Germans did with the V3 «London gun,» and place several smaller charges along the barrel, accelerating the shell as it passes. The V3 was supposed to have a range of about 100 miles, sufficient to hit London from Pas de Calais.

https://en.wikipedia.org/wiki/V-3_cannon


In all my years I've never seen the like. It has to be more than a hundred sea miles and he brings us up on his tail. That's seamanship, Mr. Pullings. My God, that's seamanship!
#4543533 - 11/05/20 02:13 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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I don't think any arrangement of gunpowder charges will result in 1000 mile range, has to be a self propelled shell of some sort. I'm betting ramjet. The powder charge just gets it fast enough for the ramjet to work. About mach 3 or so.


"In the vast library of socialist books, there’s not a single volume on how to create wealth, only how to take and “redistribute” it.” - David Horowitz
#4543544 - 11/05/20 03:05 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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Hopefully they can fit one on many of our Navy's new ships...

So they can fight from the dock somewhere, as the ships themselves aren't seaworthy. If they are seaworthy, their crew quite possibly isn't.


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#4543554 - 11/05/20 04:44 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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Perhaps it starts off as a railgun and then transitions to something self-propelled? Whatever method they are using, atmospheric drag would need to be overcome quickly upon shot being fired.

#4543559 - 11/05/20 04:55 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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The concept pictures do not appear to be of a railgun, but that would be a good next step.


"In the vast library of socialist books, there’s not a single volume on how to create wealth, only how to take and “redistribute” it.” - David Horowitz
#4543576 - 11/05/20 07:07 PM Re: A 1000 mile CANNON?!? [Re: Zamzow]  
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