Author Topic: The Strange and Interesting Thread (Read 372623 times)

Sgt. Dick · « **Reply #750 on:** May 30, 2016, 06:37:45 AM »

I knew that the technology had been around for years, I thought maybe they had hit a new tech advance with the projectile speed. I thought it was a cool story, so I shared it.

The first Railgun kill happened on December 9th, 1997

QwazyWabbit · « **Reply #751 on:** May 30, 2016, 03:17:15 PM »

Quote from: Sgt. Dick on May 30, 2016, 06:37:45 AM

I knew that the technology had been around for years, I thought maybe they had hit a new tech advance with the projectile speed. I thought it was a cool story, so I shared it.

The first Railgun kill happened on December 9th, 1997

Love it.

It's certainly topical for Q2. I'm just disappointed that the news people are so stupid about topics - but not surprised.

Here's a look at it from 2009: http://www.popularmechanics.com/military/a2289/4231461/

... and a world record 10.64 MJ shot from 2008 YouTube:
https://www.youtube.com/watch?v=ZourRsUsnho

It only took them a year or two to get to 30MJ.

FWIW, 30MJ is only 8.33 kw-hr so a generator doesn't have to be huge to recharge the capacitors.

A Joule is 1 Volt-Amp second so 30MJ delivered in 10ms is 3 x 10^7 / .01 or 3 million amps at 1000 volts... a nice arc-flash.

I love science!

Imagine the recoil!

|iR|Focalor · « **Reply #752 on:** May 31, 2016, 01:44:19 AM »

All that us rednecks wanna know is will we need a special permit to go deer hunting with it or will the ordinary Big Game license be okay?

I posted something years ago about them cloning Mammoth DNA. If they can bring back dinosaurs... you see where I'm going with this? Yee haw?

QwazyWabbit · « **Reply #753 on:** May 31, 2016, 04:28:38 PM »

Quote from: |iR|Focalor on May 31, 2016, 01:44:19 AM

All that us rednecks wanna know is will we need a special permit to go deer hunting with it or will the ordinary Big Game license be okay?

I posted something years ago about them cloning Mammoth DNA. If they can bring back dinosaurs... you see where I'm going with this? Yee haw?

Talk to your local game warden.

I'll get my calculator out to compute the effective energy of a 30-06 or 7mm vs a 50,000 Joule rail rifle but I think anything hitting a deer at Mach 7 might just put a hole through the animal and all the trees behind it for half a mile. That's assuming there's a hole in the animal and it doesn't actually make it hamburger meat. The latter may go contrary to the purpose of the hunt.

Edit:
I looked it up. A 30-06 delivers about 2700 lb-ft of at the target (180 gr. @ 2600 ft/s), that's about 3661 Joules so we're talking very reasonable holes in deer.

A 50,000 J personal rail gun delivers 36,880 lb-ft at the target so you'd definitely want a smaller gun... say a .22 cal. 5,000 J model. Such a weapon would be both lighter on the target and lighter on the bearer since the power supply could fit in a small backpack. Backstop would still be a concern.

|iR|Focalor · « **Reply #754 on:** May 31, 2016, 09:32:21 PM »

Assuming it's a solid steel bullet shaped projectile, I don't think it would turn a deer into nothing but "red mist" even at 7x the speed of sound. It wouldn't be touching the flesh and innards of the deer long enough to transfer a shockwave, it'd simply zip right through it like it wasn't even there. I almost wonder if it would even create a wound cavity large enough to cause death or just seal back up immediately. If it hit bone, probably a WAAAAY different story.

QwazyWabbit · « **Reply #755 on:** May 31, 2016, 11:08:53 PM »

There's a video on YouTube of some dudes with a homebrew railgun into the side of a Saturn. It penetrated the door panel and it looks like didn't even deform the panel, it kind of fractured it without elastically deforming the metal. It met a cross beam inside the door and deformed it without breaking or penetration. It was a big armature though, and they never measured the muzzle velocity so I have no idea what the energy might have been and it kind of disappointed me since I expected it to do as you described and continue drilling the car. But it was a flat-nose armature and not the sabot round the Navy plans.

They also put another shot into ballistic gel with some effect but it didn't' blow it apart.

Mach 3+ SR-71 heated to 700+ degrees in cruise on the leading edges from friction with the air, even at high altitudes. But this takes a while to build up and stabilized at constant airspeed.

But yes, high velocity means brief time in contact with meat and less energy transfer to the meat as they meet.

yahoo · « **Reply #756 on:** June 01, 2016, 07:30:27 AM »

A carbide tip bullet might fit best for a railgun . just wonder how well does it go if aimed at a target under water

Sgt. Dick · « **Reply #757 on:** June 25, 2016, 05:41:52 AM »

I thought of 2dum when I saw this story.
http://mynews13.com/content/news/cfnews13/news/article.html/content/news/articles/ap/2016/06/24/After_ad_dad_interviews_potential_wives_for_48_year_old_son.html

Sgt. Dick · « **Reply #758 on:** June 25, 2016, 05:48:32 AM »

This story has racial issues written all over it

http://mynews13.com/content/news/cfnews13/news/article.html/content/news/articles/ap/2016/06/24/Texas_city_council_votes_to_oust_library_cat.html

A city named - WHITE SETTLEMENT. The city mayor is - Ron White. If the cat is black, the NAACP will be getting involved

Sgt. Dick · « **Reply #759 on:** July 14, 2016, 07:31:39 PM »

2 'Pokemon Go' players plunge off cliff - http://www.mynews13.com/content/news/cfnews13/on-the-town/article.html/content/news/articles/ap/2016/07/14/2_Pokemon_Go_players_plunge_off_cliff.html

I see people all over the place walking around locked in on their phone.

Sgt. Dick · « **Reply #760 on:** July 16, 2016, 04:59:50 AM »

Sheriff: Naked couple arrested on stolen lawn mower - http://www.mynews13.com/content/news/cfnews13/news/article.html/content/news/articles/ap/2016/07/15/Sheriff_Naked_couple_arrested_on_stolen_lawn_mower.html

quadz · « **Reply #761 on:** July 18, 2016, 11:19:11 PM »

Bizarre: Melania's speechwriter for tonight's convention directly plagiarized part of Michelle Obama's 2008 convention speech.

https://twitter.com/mikehearn/status/755260215021432832 (30 second side-by-side video clip)

I recall noting those lines seemed compellingly crafted when hearing them this evening, but had no idea they were copypasta.

I'm just baffled as to why, at this point.

|iR|Focalor · « **Reply #762 on:** July 19, 2016, 02:56:48 AM »

Haha! I didn't watch. I found it far more important to count the gray hairs starting to appear on my balls. And when I think of the possibility of Donald Trump becoming the President of the United States of America, that's probably a reason why I'm starting to get gray hairs.

For the life of me I can't see... WHY... IN... THE... FUUUUUUUUUCK... the Republican party, seemingly as a "party" (as in... a large group of individuals who apparently have reached a majority consensus to do something), have agreed to let Donald fucking Trump be their guy. Really? REEEEALLLY!?! There was no one else aligned with the party that they could've plucked from relative obscurity to be the guy? The democrats did it with Barack Obama. No one knew who the hell he was before 2008. Anyway, I'm starting to wonder if the Republican party as a whole has lost their fucking minds completely. If Trump is the best they can do, I gotta wonder what kinda horrible shit the rest of the members of the party have done that would make Trump be the cleaner classier choice. Cuz that shit plays a factor. That's why Ted Kennedy was never a viable Democrat presidential candidate.

Quote from: quadz on July 18, 2016, 11:19:11 PM

I recall noting those lines seemed compellingly crafted when hearing them this evening, but had no idea they were copypasta.

I'm just baffled as to why, at this point.

Why? Why NOT? Obama's old lady said it, and he ended up getting elected. Like they say, "Fake it 'til you make it." Oh fuck shit jesus, I hope he doesn't make it.

On the other hand, if he doesn't, we get Madame President Hillary Clinton.

It's kinda like, "Hey, would you rather have an M80 lit in your dickhole, or would you rather have me cut your pecker off with pruning shears?"

It's gonna be really interesting to see the figures after the polls close. I suspect that Trump will have far far fewer votes than the media makes it seem like he's gonna get. And if that proves to be true, I hope people become seethingly violently pukingly enraged with the media for the way they've over-covered him in an attempt to get the best ratings possible. The media is supposed to be impartial and simply REPORT events. That is definitely what they are NOT doing.

QwazyWabbit · « **Reply #763 on:** July 19, 2016, 05:10:27 AM »

In a clip from a 60 Minutes interview aboard the Trump private plane Melania claimed she wrote the speech herself. It wouldn't surprise me if she copy-pasted all of it from different sources. Intellectual dishonesty goes hand in hand with moral dishonesty and the Trumps have plenty of that.

All of the current candidates are morally bankrupt.

To quote Douglas Adams: No one who wants the job should by any means be allowed to have it.

quadz · « **Reply #764 on:** July 19, 2016, 11:10:48 AM »

Quote from: |iR|Focalor on July 19, 2016, 02:56:48 AM

On the other hand, if he doesn't, we get Madame President Hillary Clinton. It's kinda like, "Hey, would you rather have an M80 lit in your dickhole, or would you rather have me cut your pecker off with pruning shears?"

At least we'll have Hillary's brilliant comic timing to get us through it...

<span data-s9e-mediaembed="youtube" style="display:inline-block;width:100%;max-width:640px"><span style="display:block;overflow:hidden;position:relative;padding-bottom:56.25%"><iframe allowfullscreen="" scrolling="no" style="background:url(https://i.ytimg.com/vi/ZWlq4s4v_9I/hqdefault.jpg) 50% 50% / cover;border:0;height:100%;left:0;position:absolute;width:100%" src="https://www.youtube.com/embed/ZWlq4s4v_9I"></iframe></span></span><br /><a href="https://www.youtube.com/v/ZWlq4s4v_9I" target="_blank" class="new_win">https://www.youtube.com/v/ZWlq4s4v_9I</a>

Author Topic: The Strange and Interesting Thread (Read 372623 times)

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