Tue 13 Jul 2010
LifeTrac, our open source tractor, features extreme flexibility by design. We just used LifeTrac as a honey extractor. We mounted our universal rotor on the front-end loader, and used it to extract honey from comb. The process starts with a hot knife to open up the comb. We made the hot knife from a heat shrink heat gun coupled to a tube with a sharpened blade of 1/8″ steel welded to the tube, and the hole of the tube was reduced by welding on a bolt washer. The blade gets hot and cuts the comb relatively well, though this is not as user-friendly as a standard electric knife because your hands get too messy with honey all over, so the heat gun risks getting flooded with honey. We request help with the open-sourcing of a hot knife if anyone has explicit ideas on how to make one. While a fed dollars in parts, hot knives run for $90 at the store.
The honey extraction process involves centrifuging combs of honey, which are opened with a hot knife as above. See our operation in action:
Open Source Honey Extractor from Marcin Jakubowski on Vimeo.
Here’s an operational performance review. (more…)

