For the curious, [1] (via [2]) shows various engine designs. [1] https://imgur.com/gallery/bxzeN https://imgur.com/gallery/bxzeN [2] https://www.reddit.com/r/e

For the curious, [1] (via [2]) shows various engine designs. [1] https://imgur.com/gallery/bxzeN https://imgur.com/gallery/bxzeN [2] https://www.reddit.com/r/educationalgifs/comments/468290/a_collection_of_gifs_demonstrating_a_few/ https://www.reddit.com/r/educationalgifs/comments/468290/a_c...