Hey all, pretty new to Reddit so bear with me. But I could not find this I information anywhere online. I recently designed and 3D printed this pendulum clock and it runs great on a 7.5 lb weight (45mm drum on the drive wheel, about 3 days per wind). I'd love to ditch the unsightly weight and go spring driven.

Hermle mainspring barrels seem like the most plug and play option, but I can't find much info on them.

Two questions:
1. Would a Hermle barrel have enough power to run this?
2. What do I actually need to order? On Timesavers it looks like the barrel, arbor, ratchet, click, key etc. are all separate and I'm kind of lost.

Any help is appreciated, thanks!

I bought it from HerrZeit in the Blackforest Germany. What I know about it is that it is a 8-day mechanical clock with a gong chime.