Kevin T on Nostr: npub1ula9u…vaztp npub167hem…y0399 this concept is quite old, actually. In ...

npub1ula9ucmhu7ymuhup6c3fxdxa09xhqg8kpnjxletzxqf4yg5ykafqwvaztp (npub1ula…aztp) npub167hem6ju6vx27h48n8jauezrfjktmarxnuy5pxx0kt6aufn36apqqy0399 (npub167h…0399) this concept is quite old, actually. In Pittsburg, Texas, there's a replica of the Ezekiel Airship that used rotors like that. Here's some photos I took: https://www.flickr.com/search/?user_id=99796131%40N00&sort=date-taken-desc&safe_search=1&view_all=1&tags=Ezekiel%20airship