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Negi-C was a two-stage sounding rocket, first launched on 1958-05-17 with a Geiger-Müller Counter. It was essentially a Negi-A stacked on top of a Negi-B. Total wet mass: 4137 kg (with no payload) Height: 16.2 m (assuming three modular 100 L containers) 1st stage diameter: 539 mm 1st stage...

[OUTDATED - new version here] Recently, I have started to do a playthrough of Hatsunia's space development history in Kerbal Space Program. This is basically going to be my personal VSA (virtual space program) with a structured career. I used these mods in particular (but they are not the...

Elon Musk on Twitter: "This is for suborbital VTOL tests. Orbital version is taller, has thicker skins (won’t wrinkle) & a smoothly curving nose section."

The wiki page for Hatsunia is finally complete.

A few days ago, this was announced. https://twitter.com/elonmusk/status/1063867489543643136 A "radical change." Just two months after the DearMoon presentation. And now,https://twitter.com/elonmusk/status/1064740713357750272 edit: also loved seeing these posts Hatsune Miku on Twitter: "next...

Eyes Turned Skywards is an excellent space-focused alternate history write-up. Note that the first post in the thread is a "DBWI" (Double Blind What If), a pretend conversation from the perspective of people in that alternate timeline wondering how our timeline would have gone.

Japanese entrepreneur Yusaku Maezawa plans to invite 6-8 artists and fly around the Moon on the BFR:

In-universe, her hair looks like the islands. I've also started writing Hatsunia's history and a lot of other information in IIWiki (named after the International Incidents roleplaying section of nationstates.net, which I haven't really roleplayed in as I'm still trying to flesh out my country).

A few years ago, I came up with a fictional Japan-like country on nationstates.net called Hatsunia, which was inspired by the virtual singer "Hatsune Miku." With Miku having some association with spaceflight, Hatsunia became the backdrop of some of my Orbiter add-ons (which I don't currently...

The third season of The Expanse is almost finished, so I'm starting to read Leviathan Wakes now.

(Built with the assistance of the UAH Space Hardware Club) Green Onion - high power rocket | L1 certification flight - YouTube

When I read the title, I thought "April Fool's came early?"

Excellent presentation.

The reason I haven't watched it until last week was because I was waiting for the second season to be available with an Amazon Prime account but I decided to just buy it anyway to support the show.

I'm finally watching The Expanse. Over halfway through Season 1 right now.

I had doubts about being able to play KSP in "realistic mode" (RSS/RO) until 2016 because I thought my 2012 pre-built PC wouldn't be able to handle it. Before that, I had a laptop from 2006 that could barely run the KSP demo, but could run Orbiter decently enough. And for Orbiter, I started off...

I've been part of this community since 2009 (but really started to get into Orbiter in 2011). I cite Orbiter as my inspiration for wanting to become an astronautical engineer, way before I bought KSP in 2013. Learning Orbiter was what made orbital mechanics intuitive for me; before, I didn't...

That's what Real Solar System and Realism Overhaul are for. Realism Overhaul even takes into account propellant settling so you have to use ullage motors (such as RCS) before performing a burn with the main engine(s). But Orbiter 2016 is still more accurate with Earth's terrain (and it supports...

Sorry for assuming. But even if placement doesn't matter that much for rotation, it definitely matters for translation. It is possible for the RCS placements to result in the ship slightly rotating when you try to translate.

Actually, you do. The yellow sphere is center of mass, the purple arrow is the average thrust vector. (there's also a mod that aids you in RCS thruster placement)