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I'm back

Posted by: John Carmack - Sat Apr 02, 2005 3:19 am
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I'm back 
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Post I'm back   Posted on: Sat Apr 02, 2005 3:19 am
Sorry for disappearing for so long.

Yes, the last six months have seen less effort going to Armadillo than before, but it has been due to external forces – a new baby at home, and a new project at Id. The drive to complete things is as strong as ever at Armadillo, and more of my time will shift back to rockets when all the technologies are mature for the new Id project. In the meantime, we still work and make progress every single week, even if I don’t get the updates out as often.

It was a hard decision to walk away from the mixed monoprop experience base, but a lot of the lessons learned and skills built in the last year will still transfer over to the new lox vehicle. We need to work out our cryogenic handling procedures, gimbal actuators, roll thrusters, and throttleable biprop engine, then we will be putting everything together into a test vehicle again.

We flew four different vehicles in the last twelve months (and crashed three of them), it won’t be all that long before we are back in the air, hopefully without the engine related problems that have plagued us.

I will be at Space Access ’05 at the end of the month, and I recommend it to anyone considering attending.

John Carmack


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Location: Kapellen, Antwerp, Belgium, Europe, Planet Earth, the Milky Way Galaxy
Post    Posted on: Sat Apr 02, 2005 7:19 am
Welcome Back John,

Compared to many other companies, even the less frequent updates, seemed still a lot to me and it's perfectly understandable that you're also thinking about your own family and your programming work.

I wish you a lot of succes the upcomming weeks and I'm definitely waiting to read your progress updates :)

I really wish I was able to go to all those events... but europ (belgium) is so far to travel, I'm going to try to visit the X PRIZE Cup & Expo this year.
I hope to see you as wel as many other people I learned to respect and know while developing and running this website.

Sigurd De Keyser

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Post    Posted on: Tue Apr 05, 2005 12:18 am
Hi,

Has any thought been given to contacting the ARCA (Romainian) team about sharing information and technology regarding monoprop programs?

EricR


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Post    Posted on: Thu Apr 07, 2005 8:41 am
>Has any thought been given to contacting the ARCA (Romainian) team about sharing
>information and technology regarding monoprop programs?

Based on their updates, theyare using 60-68% peroxide, which isn't readily available to us. The pure monoprop work is uninteresting at that concentration, but I would be interested in hearing more details about the peroxide / ethanol mixed monoprop they fired a couple years ago. That mixture was almost certainly in the detonable range, and it was a pure liquid (not very throttleable) injector, so it wouldn't be something we could use on our projects, but the development stories would be fun to hear.

We are going to make the LOX / alcohol motors work. We have been machining a chamber a week for a while now...

John Carmack


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Post    Posted on: Fri Apr 08, 2005 11:28 pm
John Carmack wrote:
We are going to make the LOX / alcohol motors work. We have been machining a chamber a week for a while now...
John Carmack


If you ever wanted to really get high, pure oxygen and pure alcohol is definitely the way to go.
:lol:

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