Elan Head<p>I caught up with <a href="https://mastodon.world/tags/Unither" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Unither</span></a> Bioélectronique to learn more about the <a href="https://mastodon.world/tags/engineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>engineering</span></a> challenges they faced on the path to first flight of their <a href="https://mastodon.world/tags/hydrogen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hydrogen</span></a> powered <a href="https://mastodon.world/tags/R44" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>R44</span></a> <a href="https://mastodon.world/tags/helicopter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>helicopter</span></a>. Thermal management was a big one, although they expect that to be easier on their next prototype. <a href="https://mastodon.world/tags/aviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>aviation</span></a> <a href="https://mastodon.world/tags/electricaviation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electricaviation</span></a> <a href="https://mastodon.world/tags/unitedtherapeutics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>unitedtherapeutics</span></a> <a href="https://verticalmag.com/news/the-engineering-behind-the-first-hydrogen-powered-helicopter-flight/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">verticalmag.com/news/the-engin</span><span class="invisible">eering-behind-the-first-hydrogen-powered-helicopter-flight/</span></a></p>