mrdoornbos

@mrdoornbos

Engineer, pilot, accidental storyteller, and founder of and There's a good chance I'll be voiding a warranty today.

michaeldoornbos.com
Joined October 2007
1,710 Photos and videos Photos and videos

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  1. 3 hours ago

    Airplane isn’t going to build itself even if it’s 38 in here.

    5 likes
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  2. Retweeted
    Nov 12

    New video about my Commodore DAC-612 desktop calculator ("figuring machine?") from 1969 - it mostly works!

    3 replies 8 retweets 26 likes
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  3. Nov 12

    I think there is a serious market opportunity to sell Charlie Brown Christmas trees this year…

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  4. Nov 12

    Serious question: Why would I use Wolfram Notebooks over Jupyter? I'm wary of investing too much in proprietary stuff unless there's a clear advantage.

    1 reply 1 like
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  5. Nov 12

    This is a really well done book

    8 likes
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  6. Nov 11

    *and

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  7. Nov 11

    I have hunted for an acquired a lot of wonderful vintage technology pieces over the last year. This is easily my favorite of them. I use it every single day. 1962 was a good year for these.

    1 reply 8 likes
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  8. Retweeted
    Nov 11

    There were so many great Groo comics in 1991 that I couldn't fit them all into one video. So this is part one of two!👆 ▶️

    1 retweet 4 likes
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  9. Nov 11

    Ahh the days when you could have a 103 fever in boot camp and not look like a thing was wrong.

    1 reply 7 likes
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  10. Nov 10

    Putting in miles on the Appalachian Trail in November is one of the best things I can think of. Sure looks different with most of the undergrowth gone.

    1 reply 10 likes
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  11. Nov 10

    Good stuff

    Link here, in which I test the cartridge, take it apart, and dump the contents to see whether it's something worth preserving:
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    2 likes
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  12. Nov 9

    What the hell? Did they use MT RAM? Another thing I really wish I hadn’t spent money on this year. Arg.

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  13. Nov 9

    The amateur mathematician in me has to believe that there’s an excellent chance that I’m the only person on the planet doing on a Commodore Plus/4. Living dangerously:)

    2 replies 1 retweet 38 likes
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  14. Nov 8

    Doing some AT backpacking this week. This is what the vertical looks like in the section we'll be on ;-) It's brutal

    5 likes
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  15. Nov 8

    With very little help from me, young guy I'm tutoring in math took this C64 book listing he found and "ported" it to his VIC-20 including sound. Pretty soon he wont need me. Awesome sauce.

    16 likes
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  16. Nov 8

    Well I finally found my original C64 Pac-Man cartridge. Can confirm it has that same title screen bug. I did find one online that someone fixed. Well at least they fixed the fruit anyway. Put that version on my UltimateII+

    2 replies 1 retweet 12 likes
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  17. Nov 8

    A young person asked me to help him port this to the VIC-20 so he can play it. I'm aware of a port already, but if we actually do the port together there's more opportunity to learn so we're gonna do that.

    12 likes
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  18. Nov 6

    Very happy with progress this morning. So good to be back at this. Tail is back on it, closer to being permanently mounted. That skin on the front is going to need a fair amount of trimming next.

    4 likes
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  19. Nov 6

    Sad this design didn’t work out. Such a beautiful aircraft and it’s good to see people using them.

    8 likes
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  20. Nov 6

    Was making a plaque on the CNC for my “wall of shame” to showcase stuff I’ve screwed up on this plane build. How’s setting the depth incorrectly and slamming the router head into it for irony? Scratch one plaque and expensive bit. Pro Tip: Screwing up is just learning.

    3 likes
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