I thought you might be interested in looking at World's first manned electric helicopter.
https://forums.bohemia.net/forums/topic/118923-worlds-first-manned-electric-helicopter/?do=findComment&comment=1980024
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.