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DanielleFong's profile
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@DanielleFong

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@DanielleFong

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Empire of the Future
Joined February 2008

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    1. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020

      Super interesting project: @CarnotCompress, working on a more efficient / quiet air compressor design, and they're now raising funding. This is a huge problem if they actually get this working. Where's the industrial investors at?https://www.startengine.com/carnot-compression …

      3 replies 1 retweet 9 likes
    2. Palladium Magazine‏ @palladiummag 12 Oct 2020
      Replying to @NickPinkston @CarnotCompress

      Glad to see a practical isothermal compressor! Does it use evaporation or just conduction? Is the wet air output a problem, or is the air somehow dried?

      1 reply 0 retweets 0 likes
    3. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @palladiummag @CarnotCompress

      Seems like it uses water / radiator and the compressor is somehow drying it (perhaps by centrifugal force?)

      1 reply 0 retweets 0 likes
    4. Palladium Magazine‏ @palladiummag 12 Oct 2020
      Replying to @NickPinkston @CarnotCompress

      Possible it uses increased effective density of the air via droplet emulsion to get high compression on a single stage. At high enough isothermal compression ratios, the air could theoretically come out drier (per mass) than it went in, once you separate liquid. Neat!

      1 reply 0 retweets 1 like
    5. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @palladiummag @CarnotCompress

      Yea totally - I like to see industrial hardware startup as opposed to just the consumer gadgets you usually see. Their biggest issue is probably that most tech investors think air compressors are something at Lowes, not a multi-billion dollar global industry.

      1 reply 0 retweets 2 likes
    6. Palladium Magazine‏ @palladiummag 12 Oct 2020
      Replying to @NickPinkston @CarnotCompress

      Biggest thing people will miss in investing here: if this works, it has a strong chance of becoming very cheap very high capacity energy storage for renewables and grid stabilization: isothermal compression is EFFICIENT. This is a huge opportunity and only getting bigger.

      1 reply 1 retweet 1 like
    7. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @palladiummag @CarnotCompress

      This was the idea behind LightSail actually, but it's a really hard problem. I'm sure @DanielleFong could regale us with crazy stories.

      1 reply 0 retweets 2 likes
    8.  🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @NickPinkston @palladiummag @CarnotCompress

      we did a 200 bar two stage compressor with water spray, it was reciprocating, not a centrifugal, we did custom water injectors and valves so that we could compress and expand across a wide range of pressures worked well, problem was consistency of funding

      2 replies 0 retweets 1 like
    9. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
      Replying to @DanielleFong @palladiummag @CarnotCompress

      Yea, I've been there too... There's more funds talking about industrial tech, but most just want to fund the software around the edges. Unaware of anyone specializing in doing fundamental engineering investments. May be hard to get dealflow bc the community isn't built out yet.

      1 reply 0 retweets 1 like
    10.  🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @NickPinkston @palladiummag @CarnotCompress

      find a way to profit early, do software first, or work with elon, i guess the biggest meta mistake was the idea that, having demonstrated the tech working at the most extreme physics regimes, VCs and industrials will invest, having removed the science risk. actually...

      3 replies 0 retweets 1 like
       🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
      Replying to @DanielleFong @NickPinkston and

      ...they didn’t really care, since most were wiped out after the doe pulled funding from their loan guarantee program, and then when oil crashed in 2014 and the chinese stock market crashed in 2015 there weren’t really energy or industrial players looking to take any risks.

      5:43 PM - 12 Oct 2020
      • 1 Like
      • Nick Pinkston 🌐 ⏭
      1 reply 0 retweets 1 like
        1. New conversation
        2. Nick Pinkston  🌐  ⏭‏ @NickPinkston 12 Oct 2020
          Replying to @DanielleFong @palladiummag @CarnotCompress

          Interesting - that's a lot!

          1 reply 0 retweets 1 like
        3.  🤷🏻‍♀️‏ @DanielleFong 12 Oct 2020
          Replying to @NickPinkston @palladiummag @CarnotCompress

          also, the benchmark competition, lithium ion, declined in cost exponentially. most investors were only looking at that. we projected that we could compete based on lcoe, if not initial cost, but it would have taken tens of millions of dollars to get down the learning curve,

          1 reply 0 retweets 0 likes
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