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PBE Felix and Deagle Boltface Patches On Sale Now!



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20709 No. 20709 ID: f49edb hide watch expand quickreply [Reply]
Blowouts, man.
1 post omitted. Click Reply to view.
>> No. 21042 ID: f87148
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21042
>>21040

Cleanup on aisle C5!
>> No. 21170 ID: 699348
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>>21042
I wasn't MX and i'm not especially technically inclined when it comes to airplanes but my understanding was that after this shit happened they were cleaning the guy out of some surrounding AGE equip.
>> No. 21171 ID: 6ccdcf
>>21040
>>21170

My grandfather told me his most traumatic moment while he was in Vietnam was when he watched his best friend die under very similar circumstances. They were doing some maintenance around a tire of a plane (can't remember what) and he leaned on it. The moment he did that, there was a massive blowout and his buddy instantly died.

My grandfather normally cried when he told that story.
>> No. 21279 ID: f87148
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21279
>>21170
>>21171

Jesus. Hey, if ever they bring back the draft, remind me to test well enough I don't get assigned to ground crew / AvMech. I think I'd much rather get shot, stabbed, or blown up by incoming arty than killed by something so mundane as a fuckin' tire.
>> No. 21484 ID: bb86e7
Shit sucks yo. Hit a bump that was there due to construction on the interstate @~65MPH. Good thing it was one of the rear ones, so only 20% of the weight was on that corner, and steering was unaffected, and was only a medium size puncture, so it just started getting progressively bumpier. I knew what had happened instantly, and let off the gas, but unobservant assholes did not let me pull off from the Leftmost of 4 lanes until it started to smoke. Then it started to rain when I was switching to the spare.

I heard there was a rule of thumb that ground pressure PSI is approximately equal to that that of the PSI in the tire. Any truth to this?

>>21279
Stay out of ground mechanics also, just look at some of the bus and truck tire explosion videos.

I heard there was a rule of thumb that ground pressure PSI is approximately equal to that that of the PSI in the tire. Any truth to this?


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20667 No. 20667 ID: 87888c hide watch expand quickreply [Reply]
http://www.dailymail.co.uk/news/article-3629306/Royal-Navy-s-advanced-destroyers-break-Gulf-water-WARM-bungling-defence-chiefs-admit.html#ixzz4B1jexG4h

Really, guys? This isn't a Clyde ferry that's going to spend its life in nice cool water; this is a globally deployable ship that should be expected to spend time "east of Suez". Sufficient cooling capacity should have been built in.
22 posts and 13 images omitted. Click Reply to view.
>> No. 20726 ID: 4cec2f
>>20667
apparently the MOD *forgot* to specify warm water operations to RR.

Unfortunately Britain props up BAe and RR as "domestic industries".
>> No. 21028 ID: f86534
>>20726
Those companies would be replaced by tons better ones the moment the monopoly was over. Just like Oshkosh raped AMG.
>> No. 21045 ID: 385f49
  >>20686
Rocked pods, especially for aircraft, have shitty aim even for the the initial purpose (they are designed that way to provide wide cone for maximum effectiveness). But on the ground, when they are starting without initial speed, they have even shittier aim then that, because more speed provides more stability for the rocket. I.e., the range of this firework contraption is probably below 300 meters compared to 1000+ for normal firing mode from plane.

In effect, this kind of "weapon" is only suitable for terror tactics like shelling populated areas or diversion tactics.

>>20695
>And last of all, if a Fuel-Air bomb doesn't explode at all, the ethylene oxide fuel simply disperses in the air as an aerosol, acting as a chemical weapon.
Interestingly enough, these kind of weapons can also be used for burning out chemical weapons - it's not like it's 100% effective, but better then nothing.
>> No. 21046 ID: 9723b1
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21046
>>21045
>more speed provides more stability for the rocket
This is because the rockets are launched smoothbore, then small fins pop out to spin the rocket in flight and give it some gyroscopic stability. The problem here is that during the initial period before the rocket is spun fully, the fins only produce WOBBLING in the air, which greatly harms accuracy.

tl;dr fin limitations cause rockets to suffer a lot from accuracy problems.

One way to cut on the wobble is to increase the speed of the aircraft, which shortens the period during which the rocket isn't spinning. But the REAL solution is to do what the Canadians did, internalize the fins into the rocket exhaust, which completely removes the wobble problem.
https://en.wikipedia.org/wiki/CRV7
>Unguided rockets are normally spin stabilized, like a rifle bullet. The spin is imparted by small fins at the rear of the rocket body that flip out into the airstream once the rocket leaves its launch tube. The fins take a short time to open, and more time to start the rocket spinning. During this period the rockets can drift significantly from their original aim point. The CRV7 solved this problem by adding small vanes projecting into the rocket exhaust to start the rocket spinning even before it left the launch tube, greatly increasing accuracy. A salvo of CRV7's will impact the target area in one-third the footprint of older designs.

The CRV7 is the most accurate unguided aircraft rocket in the world.
>The weapon was originally quoted to have a dispersion of 4 milliradians, but testing with the CF-18 Hornet demonstrated it was even lower, at 3 milliradians.[4] This is considerably better than the autocannon that arm most aircraft; the widely used M61 Vulcan is rated at 8 milliradians, while the much larger and considerably heavier GAU-8 is rated at 5 milliradians.[5]

A CRV7 is just as accurate when launched from a ground vehicle, pic related it's actually as accurate as a 105mm light gun.
>> No. 21480 ID: bb86e7
>>21046
Interesting. I did not know that any kinetic energy armor piercing air launched rocket munition had gotten this far in development. To be fair though, they did do the initial development by accident.


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20463 No. 20463 ID: 490e84 hide watch expand quickreply [Reply]
Digital dash thread.
8 posts and 8 images omitted. Click Reply to view.
>> No. 20472 ID: 490e84
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>> No. 20473 ID: 490e84
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>> No. 20477 ID: cd5ece
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20477
>>20463
The S2000's instruments are bretty gud. (Though the handling sucks.)
>> No. 20478 ID: de0bec
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20478
I always loved vacuum fluorescent displays, and am especially fond of amber.
Sure, vfd's have fading problems, and often had terrible contrast between lit and unlit cells, but they look so damn cool.
>> No. 21478 ID: bb86e7
I think Car interface designers should learn from aircraft layout. I WANT to know specifically what my coolant, oil, and transmission temperature are doing (among other things), and there can be situations where I NEED to know these things. Also that switches need tactile feedback, and frequently needed or important controls should be placed in easy to get to places.

IF WE ARE SUPPOSED TO USE THE PARKING BRAKE WHY IS IT A PEDAL HIDDEN UNDER THE DASH that I have to LEAN FORWARD to DISENGAGE! PARKING BRAKES HAVE OTHER USES THAT ARE NEGATED BY STUPID PUSHBUTTONS and binary mechanical operation! As far as parking brakes, Honda seems to be doing things correctly for the most part.


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16755 No. 16755 ID: 8ef743 hide watch expand quickreply [Reply] [First 100 posts] [Last 50 posts]
Why do older American luxury cars always remind me of open-casket funerals?
141 posts and 137 images omitted. Click Reply to view.
>> No. 20611 ID: d486ec
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>> No. 20612 ID: d486ec
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>> No. 20613 ID: d486ec
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20613
1960 Chevrolet Impala Hardtop Coupe
>> No. 20614 ID: d486ec
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20614
>> No. 21477 ID: bb86e7
>>16755
Roomy, lots of padding, thick steel, ostentatious styling.


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19979 No. 19979 ID: 7c90e8 hide watch expand quickreply [Reply] [Last 50 posts]
http://time.com/4241339/air-force-b21-long-range-strike-bomber-name/

It's about two times smaller, but it's about a third cheaper and hundreds of it will be built.
50 posts and 20 images omitted. Click Reply to view.
>> No. 20266 ID: 82edf9
  How It's Made Boomerangs https://youtu.be/zl10s5xe2-4
>> No. 20267 ID: 82edf9
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20267
>> No. 20268 ID: 82edf9
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>> No. 21475 ID: bb86e7
>>20038
Another reason the B-2, F-117 and such have dorsal intakes is that the intakes form a cavity that makes a good radar reflector. This can be combated with baffles, RAM, or a sinuous shaped intake as in the B-1B, but clearly, from looking at what has been actually put into practice, it is better to put intakes on top in addition to this. It is likely that the B2 and F117 do have some stealth oriented shape to their intakes as they have auxiliary intake doors that open for takeoff. Paging Bat Guano for pics.
>> No. 21476 ID: bb86e7
B-21 Raider is what was decided:
http://www.military.com/daily-news/2016/09/19/air-force-unveils-name-of-future-b21-bomber-as-tk.html


No. 20202 ID: 9723b1 hide watch expand quickreply [Reply]
  After their replacement by the next gen bomber, the Pentagon is planning to modify the existing B-52s into something called an "arsenal plane".

The purpose of this beast is to drop thousands of glide bombs, or launch hundreds of cruise or even air-to-air missiles on command from anyone else in the battlespace.

You know how the AWACS supplements search and track systems? The Arsenal Plane basically supplements weapons loadouts.

If a flight of strike fighters runs out of bombs (very likely in the case of F-35), they don't have to return to base, rearm, and potentially miss their strike opportunity.

They can just order up some fresh bombs from the Arsenal Plane, if they get there in 30 seconds or less it's free.

http://www.popularmechanics.com/military/weapons/news/a19262/pentagon-announces-arsenal-plane-platform/
https://www.flightglobal.com/news/articles/usaf-flaunts-arsenal-plane-concept-at-air-warfare-422472/
https://www.flightglobal.com/news/articles/us-fighter-and-bomber-chiefs-embrace-pentagons-ars-422418/
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>> No. 20207 ID: 88c84e
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20207
The idea of using Boeing 747, or other similar commercial passenger jumbo jets, as a missile truck or air-launched cruise missile launcher has been around for a long time.
>> No. 20208 ID: 88c84e
File 145822336129.jpg - (77.16KB , 800x496 , US Boeing MC747 ballistic missile bomber.jpg )
20208
Or as a method of extending the range of ballistic missiles. You fly a cargo of ICBMs and drop them out the back where they (hopefully) ignite and rocket off to their target. Same idea of getting space orbiters or satellites out to their orbit where their rockets just would not have enough push to make it. Load the rocket in a 747 and fly it to maximum altitude. The maximum operating altitude of a 747-400 is 41,000 feet with an absolute ceiling 45,100 feet.

- US Boeing MC747 ballistic missile bomber.
>> No. 20209 ID: 88c84e
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20209
>> No. 20210 ID: 88c84e
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20210
Anti-submarine patrol planes have been armed with Harpoon anti-ship missiles and Sidewinder air-to-air missiles as well as torpedoes and sonar buoys.

- US P-3 Orion armed with 2xAIM-9 & 4xAGM-84 Harpoon anti-ship missiles.

- US Boeing P-8 Poseidon armed with Harpoon missiles.
http://www.operatorchan.org/v/res/19446.html#19458
>> No. 21474 ID: bb86e7
Does the conflation of "Arsenal" and "Armory" bother anyone else? This concept is clearly a flying weapons armory, not a flying weapons manufacturing and storage.

None of the article seem to mention the wild weasel functionality that would be needed on the strike fighters in order to make the most of this concept.


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14997 No. 14997 ID: 1f64a0 hide watch expand quickreply [Reply] [Last 50 posts]
For I am considering a 49cc scooter. I hate them. I hate them so much for being slow and dangerous. And not being as comfortable as a motorcycle.

But, I don't have to pay insurance on them, they're fuel efficient, cheap to maintain, and I can get a decent one for around $1000. If I get one, I can actually attend school and work, maybe even a second job which would help me afford a real vehicle (currently thinking of a Japanese econobox of some sort).

I'll hate myself for it, be terrified every time I'm on the road and will have to take the back roads everywhere, but it's a stepping stone to getting my life on track. And it's 1000 times better than the bus. Fuck the nasty bus with a schedule designed by Sheniqua.

But, goddamn, I'm not looking forward to taking one out on the street.
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>> No. 21407 ID: 43f860
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>> No. 21408 ID: 43f860
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>> No. 21409 ID: 43f860
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>> No. 21445 ID: 6e9743
  Hey, this tiny, one-man car is powered by a 49cc scooter engine!
The Smallest Car in the World at the BBC - Top Gear - BBC https://youtu.be/dJfSS0ZXYdo
Jeremy drives the Peel P50, the world's smallest production car to work at the BBC and meets a few famous faces along the way.
>> No. 21473 ID: bb86e7
Have you considered the Honda Grom?


No. 21450 ID: b86cd3 hide watch expand quickreply [Reply]
  S-300 strong, A-10 kaput, F-35 kaput.
10 posts and 7 images omitted. Click Reply to view.
>> No. 21462 ID: d4c8ee
>>21461
Okay first of all that's not how EM emissions work.

Second, why do you assume technology for SEAD/DEAD equipment hasn't advanced?
>> No. 21463 ID: 70d38f
>>21462
>Okay first of all that's not how EM emissions work.
https://en.wikipedia.org/wiki/Beamforming
>> No. 21465 ID: 9dcda2
File 148148197162.jpg - (52.26KB , 600x392 , Beamforming.jpg )
21465
>>21463
I don't understand this AND there is a blue dick on the diagram.
>> No. 21466 ID: 1807a4
>>21462
>that's not how EM emissions work.
Yes it is.

Finish your grade 12 physics class before talking.
>> No. 21467 ID: b86cd3
>>21459
Well sometimes all you need is a map and a compass. And since Russia has already shown it's intent to disrupt international navigation aids...

>>21461
UNCLASS says you're wrong faggot.

>>21463
>>21466
So you're saying that somehow (magic, presumably) this makes it so the radar antennas don't actually emit RF frequency.

>these venture capitalists/missile salesmen/radar salesmen are surely no lying to me!


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19808 No. 19808 ID: 6853a3 hide watch expand quickreply [Reply]
http://www.bbc.co.uk/news/uk-england-35436741

To commemorate the end of Land Rover Defender production, in this thread, we will post military Land Rovers.
Starting with this WMIK.
24 posts and 23 images omitted. Click Reply to view.
>> No. 19885 ID: faf5b0
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19885
>> No. 19886 ID: faf5b0
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19886
beep beep
>> No. 19887 ID: a19011
>>19886
"WHAT HO PEASANTS!"
>> No. 19893 ID: c9e27b
>>19824
Unfortunately I have no photos of Pink Panthers and have never seen one IRL.
>> No. 21446 ID: 1c7a30
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21446
>>19824

https://www.sas1946.com/main/index.php?topic=16521.0


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19982 No. 19982 ID: a70f76 hide watch expand quickreply [Reply] [Last 50 posts]
Celebrating /v/ surviving the revamp, let's talk about the latest repair/replacement/upgrade/any maintenance whatsoever we've had to perform on our vehicles.

On my way to work this morning, my rear end slumped out of nowhere, no apparent cause. I thought I had a flat initially, but started to realize that it was my shocks after experiencing no handling issues.

Limped into work, looked at it for a few minutes, had to clock in, then 2 hours later during my 15 minute break, I pulled the side panels off and discovered this. Apparently the retaining washer broke and the shock came off the bushing and was wedged between the exhausted and the frame.

Thank God, it's an easy fix and I work in a shop, plenty of tools at my disposal. Loosened the exhaust, freed the shock, realigned it and stole a washer from the Grainger box to reattach it and even reinforced it.

I spent that two hours stressing about the possibilities, thinking I was going to be spending more money or missing work.
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>> No. 21433 ID: 471393
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21433
>>21431
Huh. Wonder why no trip.

Ah, well. VW in question. This here's the shifter linkage on that retarded machine. Which needed to be removed to get the steering box changed.
>> No. 21435 ID: 7e827c
>>21428
Several reasons.
1)They look nicer and provide a nice contrast to the wrinkle black.
2)We have a shit-ton of them, we buy them in bulk.
3)I wanted to.
>> No. 21436 ID: 7e827c
>>21431
Not all of us have the hate-on against allen heads that you do.
>> No. 21437 ID: 0de47d
>>21436
I don't mind them, as long as they're kept clean. But once they're packed with 30 years worth of oil and grease it's game over. Now IHC wants to punch babies, rape old people and take up smoking again.
>> No. 21443 ID: 7e827c
>>21437
They aren't that damn hard to clean out.


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