| Title | : | Large 'Pull String' Spinner |
| Duration | : | 5 minutes, 39 seconds |
| Uploader | : | Tom Stanton |
| Added On: | : | 03 June, 2020 |
| Views | : | 1.6M times |
| Likes | : | 0 |
| Source | : | YouTube |
A 'propeller shaped' flywheel can store rotational energy, which when converted into thrust, launches it high into the sky!2nd channel httpswww.youtube.comchannelUCZYvU-ZWbgl1rJv0trRk_fAEnjoy my videos These are made possible due to help from my Patrons.
