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Sam Eskildsen
291 posts


@PatrickFinley_ Stephen Hyde. He was very helpful and generous with his time and information. @jingojango9220?si=9Y9lvEpkHyKAuw_X" target="_blank" rel="nofollow noopener">youtube.com/@jingojango922…
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@PatrickFinley_ :) and we didnt even blow that much stuff up along the way…. We learned so much. We read the Krzycki book, made excel design calculations, lathe…and check out this you tube account, we took our inspiration for him. He was in college at the time: youtu.be/7Ac7FLV72sc?si…

YouTube
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We just partnered with the Musk Foundation to give out $175k in grants to advance the frontier of collegiate rocketry.
This is in addition to the $390k we’re already giving out to collegiate teams building propulsive self-landing rockets.
When we first started, people laughed and told us what we were attempting would be impossible.
2 years later, several student teams have achieved both TVC and throttled hotfire with liquid engines, and they are making fast progress on their hoppers. We’re already seeing hover attempts at a collegiate level!
These kids are doing this on 0.001% of a typical rocket budget, dedicating 80 hour weeks without any pay to build some of the most capable rockets outside of industry.
The reason why so many people fall in love with space and rocketry is because it is proof that humanity is capable of the impossible.
We want to continue to advance that mission.
Back to work.
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@PatrickFinley_ Well not in college but my daughter (14) and I built this and it was by far the toughest project we have tried.
Sam Eskildsen@sam_eskildsen
Our DIY liquid rocket
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@sam_eskildsen Wow that’s amazing
You guys are in inspiration and thank you for posting that
Gives me something to look forward to!
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@hunterlanier Yes.This was our most difficult project. We realized after we started we might have gotten in the deep end …. But when we finally fired it up we about shed tears. It was awesome b/c it had so many aspects. we had to learn enough to design it, then machine it, then make control




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@sam_eskildsen Did you guys have fun? I bet that was a blast to do together
The parts came out great!
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@hunterlanier We were able to make all the parts and get some of the bore done by going with drill press. But after a certain depth is would stick.



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@sam_eskildsen Man that is crazy cool! I love that
I am going to do my best to avoid sending this one out, but I think you guys made the right call
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@sam_eskildsen @ILoveBlueBell Also, try drizzling “Cacique” Mexican table cream (it has to be that brand) on the ice cream, on a couple of layers. Leave it a couple of minutes and let it harden. The texture is like icing, and it’s even more addictive. My only problem now might be weight gain, lol.
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One of these things must go! You were thinking the turkey, right? 🦃 We thought so!
#bluebell #icecream #bluebellicecream #thanksgiving #pieandicecream

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I know they have changed the lid to gold instead of dark brown, so now it looks like the homemade vanilla one. How the homemade vanilla sells more is a mystery to me. Vanilla Bean should be their best selling item. But also check Instacart online. I sometimes have to use that to find out where it’s in stock.
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@lukas_m_ziegler @Robotbeat @aaronburnett @elonmusk would this work for making long structural supports for solar panels in space / orbital data centers? Or are there better ways??
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A 40-year-old patent has finally been brought to life.
That's the Y-zipper.
A 3D-printed three-sided fastener that transitions any object from flexible to rigid and back again.
The robotics application is the one that caught my attention.
A quadruped robot that adjusts its leg stiffness depending on terrain, switching between rigid and flexible in real time without additional motors or complex mechanical systems.
But this goes way beyond robotics. A wrist cast that loosens during the day and stiffens at night. A tent that pops into shape in 90 seconds instead of six minutes.
The idea sat in a patent filing for four decades. It took 3D printing to finally make it real.
~~
♻️ Join the weekly robotics newsletter, and never miss any news → ziegler.substack.com
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@ILoveBlueBell @reversechapter @ILoveBlueBell All of the grocery around us (bham AL) don’t seem to have Vanilla bean and when trying to do the order locally / deliver locally option on your website none of the options were offering vanilla bean as one of the available flavors?? Help :)
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@reversechapter Hi! Natural Vanilla Bean is available. Please let your store personnel know you are looking for this flavor.
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Lots of 3D printing views… so thought I would post below too. Was our best 3D printing!
Sam Eskildsen@sam_eskildsen
Daughter and I made this model of 4 stroke. The valves and timing work.
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@sam_eskildsen @usgraphics ‘ntroduction to Space Dynamics’ by William Thomson!
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Had a good discussion with someone today about why the literature and overall vibes from Apollo era NASA feels so different compared to now.
Two things:
1. The average age of a NASA engineer during the Apollo era was 28
2. Most of them were first generation engineers who didn’t really have the engineering background
So you take a bunch of 21-32 year olds who grew up on a farm, and now you tell them we are going to do something nobody’s ever done before. It leads to things being as simplified as they need to be. There is enough duct-tape work that things actually get done.
Society has forced us into a evermore theoretical world where we have forgotten what it feels like to beat the puzzle pieces into place with a hammer.
This is why many of the textbooks from this time period are actually very pleasant to read through. They were often written by or for someone who had nothing but outside life experience, trying to understand it.
Our generation is taking Artemis back to the moon and also Mars in the same way this generation did. I think we have a lot to learn from how they did things, and I’m glad to see a return to this type of engineering.
I can’t help but think about how many projects I didn’t finish because I couldn’t do them well enough to my standards in my head, and I should have just wrapped the thing in duct-tape and crossed the finish line

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@hunterlanier @usgraphics We have several old ‘standards’ including “Calculus Made Easy” by Silvanus Thompson….always looking for more. What ones do you suggest??
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@cremieuxrecueil @cremieuxrecueil what would u say are the best / most practical screening tests for each of conscientiousness, emotional stability (i.e., inverse neuroticism), and intelligence?
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@davemorin @msg @openclaw @davemorin what is your approach to identifying / screening for high agency people? Have tried many things and struggle to come up with a screening approach. Thank you.
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The foundation is up and running. We are hiring engineers and high agency people at @openclaw. If you are interested in building the personal AI movement send me a DM.
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