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SpaceX just landed an orbital rocket for the first time!

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Posted: Sun May 29, 2016 7:24 pm     Super secret spam barrier
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Phahaha god I love these kinds of people.


Posted: Sun May 29, 2016 10:03 pm     Super secret spam barrier
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"I don't understand it, therefore it's a lie" - thankfully not how it really works, else if we were limited to the capacity of the dumbest f**k mouthbreathers on youtube we'd still be cracking rocks together and being startled by the sparks :v


Posted: Tue May 31, 2016 10:25 pm     Super secret spam barrier
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Dwayne wrote:
Well...!


Oh my word. I was watching that at first thinking "ahh he'll crack a joke in a minute, and i'll realise it's a spoof" ... But it never came! haha


Posted: Wed Jun 01, 2016 8:00 am     Super secret spam barrier
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Tls_Cud wrote:
Dwayne wrote:
Well...!


Oh my word. I was watching that at first thinking "ahh he'll crack a joke in a minute, and i'll realise it's a spoof" ... But it never came! haha

Wow, this guy man!

Thing is, he's recording his voice using a membrane that transposes sound waves into electrical pulses recognised by a program written on a digital operating system which was written in a language built specifically for the task, on a machine that runs using microscopic resistors to perform calculations and complex computations that 30 years ago would have required an entire 20,000 sq ft building to house and run, hooked up globally via a network of routers, switches and other machines using cables that run under the ocean capable of transporting data using light waves and signals bounced off satellites orbiting our planet about 22,000 miles up, this data is then hosted and distributed to millions of people simultaneously across the world. but this? this is unbelievable.

Image


Posted: Wed Aug 10, 2016 6:22 pm     Super secret spam barrier
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Gorgeous little teaser video, high-def and slowmo footage of the ascent and descent of some of their past rockets. Especially of note, at 0:36 you can see the first and second stage exhaust interacting :D



Posted: Thu Sep 01, 2016 2:26 pm     Super secret spam barrier
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Just been an explosion on the launch pad at Kennedy space centre during rocket launch prep:


http://www.bbc.co.uk/news/world-us-canada-37247077


Posted: Thu Sep 01, 2016 3:11 pm     Super secret spam barrier
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Och. What I'm slightly amazed at is that they don't test the rocket prior to loading the cargo on board. Must have to do it a certain amount of time prior to launch so which rules them then loading the payload onboard.


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Posted: Thu Sep 01, 2016 9:21 pm     Super secret spam barrier
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They do Andy, but they also need to do a brief test-fire with everything attached (about 10 seconds of ignition a day or two before launch). The reason for this is to check that everything has been integrated correctly between the payload and rocket - if some nubbin has skipped a bolt, for instance, they'll detect the abnormal vibrational modes and know something has gone bad before the top falls off at Mach 2.

This is a punch in the gut, but while we don't know the cause yet it's worth pointing out that this explosion happened during fuel loading rather than the actual test firing itself. To my eyes it looked like something outside/on the surface of the vehicle caught fire for some reason, and that then caused the breach that killed the vehicle. A leaky fuel hose is a lot less tricky to fix in future than gubbin #47,318 deep inside an engine having a hairline fracture that gives way.


Posted: Mon Sep 05, 2016 1:49 pm     Super secret spam barrier
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You'd be surprised on what may seem like a very minor fault, can have disastrous consequences.

One fault investigation report I read was concerning an aircraft crash (fatal) in South America. The aircraft took off in poor visibility. The aircraft banked and kept going, crashing into the ground upside down. 

The initial thoughts were centering around hydraulic failure, control surfaces, wing falling off etc as the likely cause.

The black box said the aircraft flew straight and then flipped upside down almost instantly.

The cause was a wire going into the artificial horizon instrument. It had a 'dry solder joint' causing an intermittent error. As the pilot turned, the instrument wasn't working and he didn't know he was actually turning (because it was foggy/cloudy) by the time he realised, it was too late.

That dry joint cost dozens of lives.


Posted: Thu Mar 30, 2017 5:42 pm     Super secret spam barrier
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Well sorry to drag this thread up but today is the day that everyone who has been following Space X since they landed the first Falcon 9 has been waiting for they are about to launch a previously used 1st Stage Falcon 9.  The satellite is something like 5,400kg so really close to the max load of the Falcon 9 so the landing attempt is going to be very hairy, additionally there are rumors that today is the first time that they are going to try and salvage the fairings that are covering the satellite as well, so all very exciting.  The start of the window is at 22:37 UTC which is GMT so it is 23:37BST for anyone that is interested and the launch window is open for 2.5 hours.


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