Thursday, June 30, 2011

Explorer 6 images by John Taber

"Explorer 6 (1959-004A or S-2) was a United States satellite launched on August 7, 1959. It was a small, spheroidal satellite designed to study trapped radiation of various energies, galactic cosmic rays, geomagnetism, radio propagation in the upper atmosphere, and the flux of micrometeorites. It also tested a scanning device designed for photographing the Earth's cloud cover, and transmitted the first pictures of Earth from orbit."

Wednesday, June 29, 2011

Unexpected free Estes motors

A coworker is moving on to a new job, and left behind some stuff. I quickly pushed past the cameras, computers, cellphones, gift cards, and other crap... and went directly to these two gems:

Tuesday, June 28, 2011

Turkey's First Near Space Balloon Flight

"StratosphereFairEnogh is about launching a weather balloon project.On 3rd of June 2011, i wanted to be the first in Turkey to send a weather balloon with a payload with 2 video cameras to record the whole flight to the stratosphere layer of the atmosphere.The hardest part was to find the payload when its back on the earth but we were so lucky."

Glad they say "near space" and not space! Great work guys.

Planetary Penetrator

"Kinetic micro-penetrators are very light self-contrained spacecraft that impact the surface of other worlds at high speed and bury themselves into the surface a few metres. The advantage is that because of the low mass, they are potentially a low cost way of exploring other worlds.

The UK Penetrator consortium is aiming at launching a Lunar probe that weighs around 13Kg with an additional similar mass to decelerate and align it to survive impact at around 300m/s (equivalent to around Mach 1 on Earth)."

Space Penetrators

Friday, June 24, 2011

300 mph in Japan

This looks like the MLX01 JR-Maglev system. 300 mph is NOT the top speed for this system. That would be 581 km/h (361 mph).

Sunday, June 19, 2011

SuperMod rocket launch and crash

Ground footage.
Onboard footage.

"The first and only free flight of the Armadillo Aerospace SuperMod rocket, nicknamed "Dalek". It was exterminated.

Instability caused by unexpected gas in the fuel inlet led to the engine shearing its supports and creating a significant yaw force on the rocket, leading to the fin section being destroyed by aerodynamic loads."

Very cool that the 'cute worked. Better luck next time.

T-90 tank slow motion

"Slow Motion video of a Russian T-90 main battle tank fireing its 125mm 2A46 smoothbore tank gun."

Thursday, June 16, 2011

Centaurus A

"Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.

Hubble's panchromatic vision, stretching from ultraviolet through near-infrared wavelengths, reveals the vibrant glow of young, blue star clusters and a glimpse into regions normally obscured by the dust.

The warped shape of Centaurus A's disk of gas and dust is evidence for a past collision and merger with another galaxy. The resulting shockwaves cause hydrogen gas clouds to compress, triggering a firestorm of new star formation. These are visible in the red patches in this Hubble close-up.

At a distance of just over 11 million light-years, Centaurus A contains the closest active galactic nucleus to Earth. The center is home for a supermassive black hole that ejects jets of high-speed gas into space, but neither the supermassive black hole or the jets are visible in this image.

This image was taken in July 2010 with Hubble's Wide Field Camera 3.

Object Names: Centaurus A, Cen A, NGC 5128

Image Type: Astronomical

Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration

Acknowledgment: R. O'Connell (University of Virginia) and the WFC3 Scientific Oversight Committee"

Wednesday, June 15, 2011

Ullage motor

This is a Saturn V 3rd stage ullage rocket with a few thousand lbs of thrust.

More from Ray Cunningham.

Monday, June 13, 2011

Squid FFU project recorded in space (HD onboard video)

"SQUID FFU ejection and start of deployment of wirebooms. The apogee is reached at 82 km above earth. During the first 60 seconds of the video the camera is covered by the FFU which then is ejected. The material was capture using a GoPro HD action camera with a custom made aluminum casing."

29mm minimum dia. drag race (G motors)

"My all carbon fiber rocket (the left) going up against Jared's fiberglass rocket at the National Sport Launch on the Lucerne Dry lake bed.
Simulator said 7500 feet @ Mach 1.28
I believe it was somewhere around there but i cant verify it because there was no electronics on board.
I did end of finding it a half mile away!"

Sunday, June 12, 2011

Great-grandmother dies, and a flower is born

These are from the same aquarium. The young guppies are not eating her body, but the snails are. This plant has been growing for about four years, but has not flowered before today. This is some kind of Spathiphyllum, which is hardly exotic. The plant started life as a tiny little thing that was not expected to survive. It has done quite well, living among guppies and snails in my shallow tank. (About 6 inches of water.) Before last week, there was never any sign of flowering.

Rocket Exhaust Plume Phenomenology

Rocket Exhaust Plume Phenomenology

Friday, June 10, 2011

Schwerer Gustav and Dora - Railway siege guns

Weight 1,350 tonnes
Length 47.3 metres
Barrel length 32.5 metres (106 ft 8 in)
Width 7.1 metres (23 ft 4 in)
Height 11.6 metres (38 ft 1 in)
250 to assemble the gun in 3 days (54 hours)
2,500 to lay track and dig embankments
2 Flak battalions to protect the gun from air attack
Caliber 800 millimetres (31 in)
Elevation Max of 48°
Rate of fire 1 round every 30 to 45 minutes or typically 14 rounds a day
Muzzle velocity 820 m/s (2,700 ft/s) (HE) 720 m/s (2,400 ft/s) (AP)
Effective range about 39,000 metres (43,000 yd)
Maximum range 48,000 metres (52,000 yd) (HE) 38,000 metres (42,000 yd) (AP)

Thursday, June 9, 2011

PROFAC - PRopulsive Fluid ACcumulator

"Profac, PRopulsive Fluid ACcumulator, was described by its inventor, Sterge Demetriades, in the pages of the British Interplanetary Society's Journal as long ago as 1959. In this concept, a nuclear electric vehicle would orbit in the Earth's atmosphere - only 75 miles (120km) up - scooping up the rarefied air, separating out the oxygen and using the residual nitrogen in an electric propulsion thruster to make up the drag losses caused by the reaction of the tenuous atmosphere on the vehicle. A 10Mw reactor could provide enough oxygen every 20-30 days to launch 15 tons of payload into lunar orbit for the cost of a single Space Shuttle launch. On paper, Profac wins over all other proposed nuclear transport systems simply because it does not have to move the huge mass of the nuclear reactor to and from the Moon with each payload launch. With a system like this the cost of putting cargo on the Moon might approach the $54/lb ($1,000/kg) mark by the year 2000."


Tuesday, June 7, 2011

Solar Dynamics Observatory footage of huge solar flare

"I woke up to this event, aptly described in an email from a colleague - "Never seen anything like this before - spectacular". It really is just amazing! Here are videos of a prominence eruption from 304, 171 and 211 Angstrom channel cameras on SDO. Also included is a video from the LASCO C2 coronagraph aboard the SOHO spacecraft. This event produced M2.5 x-ray solar flare and a moderate proton storm. There are no major concerns for space weather."

Alkali metals doing crazy things

Monday, June 6, 2011

HEAT1X-Tycho Brahe inaugural flight

Onboard footage. Boy what a ride! Chute came out but tangled up, next time use a Rocketman perhaps? (The lower video is slow motion.) I can clearly see the unstable combustion resulting in some kind of pogo in the rocket. This kind of flight would probably have knocked a person out, or at least made them very sick. (That is before the recovery, which would have killed them.) But that is why this is a test flight.

Here we have the view from near the pad. (I don't think the sound is in sequence with the slower video.)

This shows some frames of the launch.

Pratt & Whitney J58 (A-12 and SR-71) with a tiger tail

If you like what you see, click here to see the rest of HPR.

So here is the deal; the above post is daily getting more hits than all of my other posts combined. (It has more than 300 hits today, compared to 290 hits for the next top 4 posts.) Even other SR-71 posts! Some of those other SR-71 posts were longer, more detailed, and honestly better. I don't really understand what is going on. Are people Google searching for this image? Blogger stats are not detailed enough to really explain the situation. But if the majority of readers like the SR-71, I will try to find more cool stuff.

For now you can find some good images at The Unwanted Blog.

Air Strike in Benghazi, Libya by NATO Forces 3/05/2011

Ammunition Depot was the target, mostly secondary explosion. Looks like dozens or even hundreds of tons of HE were involved in the secondary.

If only huge explosions could spread freedom, we would be in great shape!

Sunday, June 5, 2011

Two stage rocket N4000 to M1350 - 50,000 feet

In the Jim Jarvis photostream.

Rainbow ants ready for circle of death

I don't know the science value of this, but here you have it... A bunch of multi-color ants drinking sugar water with dye in it. Then comes the inevitable circle (or is it spiral?) of death.

HEAT-1X launch - Copenhagen Suborbitals

Very cool looking rocket, but the 'chute did not work as expected. They have a ways to go before putting a person in there, obviously, but this is a great leap forward. Recovery is always hard, but making large motors work reliably is the hardest part

Here we also see the pulsing in the burn cycle, I wonder if this is a design feature or some instability:

Saturday, June 4, 2011

Nazi Rockets - V1 and V2

Cooling of nosecone by boiling of metal or salt filler

"A nose cone that is cooled by having a metal, a salt, or other filler impnated in the pores of the material from which the nose cone proper is made and a chamber that is filled with a solid mass of the same metal or filler that is used for cooling the nose cone. The metal or filler filling the pores and the chamber cools the nose cone by boiling, vaporizing and escaping at the surface of the nose cone."

Transpiration cooled nose cone

Friday, June 3, 2011

Urdmentia Arms depot explodes

"Fifty seven people have been injured, and two elderly citizens died of suspected heart attacks."

Thursday, June 2, 2011

Cassini at Saturn; images in video form

This Cassini image may be the greatest astronomical image ever created, and we all happen to be in the picture with Saturn (just look for the slightly off-blue dot.)

(Click to zoom in. Do it now.)

Wednesday, June 1, 2011

Martin Jetpack test flight - 5,000 feet

"To demonstrate flight high above the ground and the concept of the ballistic parachute as an emergency safety system, the Martin Jetpack was flown to around 1500m (5000ft), brought down from this height and an off-the-shelf ballistic parachute was deployed.The aircraft was flown by James via radio control in a chasing helicopter - also demonstrating the ability of the technology to apply to UAV applications. Jetson, Martin Aircraft Company's weighted dummy was on board, and the parachute was placed out front for visibility and weight balancing.The video features inventor Glenn Martin and RC pilot James Bowker. The jetpack ascended initially at 4m/s (800ft/min) and the climb took about 6 minutes. The parachute was deployed at around 3000ft above ground level. The aircraft sustained some damage on impact, but we would expect that it is likely a pilot would have walked away from this emergency landing. The total flight was just under 10 minutes."

Get back to me when you make a rocket pack.

Jupiter C (Juno 1) reentry test

I suspect this was either Jupiter C RS-34 or RS-40, each the launch of a scale-model reentry vehicle to test this rocket as a ballistic missile. If correct, the launch date would be sometime in mid 1957. At this time, the Army Ballistic Missile Agency (ABMA) under Von Braun was openly offering to launch the first American satellite. They were not given the go-ahead until after Sputnik, and the actual launch of explorer was in early 1958. I personally love the rocket design because, after the large liquid first stage, there were three clusters of small solid rockets as stages 2 - 4. It was a giant spin table, a tub basically, of 11, 3, and 1 Sergeant motors. In this image, we may actually see Loki motors instead. As a kid, before learning about rocketry, I always wondered why the top of this rocket was spinning. The tub was spun up prior to launch to ensure stability during the short burn time of each later stage. This is a very simple design that is not suitable for precision orbits, but very much attractive to the kind of amateur rocketry going on today. Rockoon launches will probably benefit from a similar spin table design.

Helium-3 fusion fuel from gas giants

Harvesting fusion fuel from Uranus - by Adrian Mann

Discussed further at Centauri Dreams.

Part 2 of The Jarvis Illustrated Guide to Carbon Fiber

Pushing the limits of Carbon Fiber rocketry