I decided to buy a shredder or a wood chipper. When we prune the olives and other trees we have a lot of waste branches that are too small for firewood. We normally burn them. Olive branches have a lot of oil and they make a massive very hot fire. It is a shame that all the carbon that has been captured from the atmosphere is returned so quickly as carbon dioxide which is a green house gas. The idea of buying a shredder is so that the waste wood is turned into useful compost and mulch. The shredded output of the shredder is ideal for spreading around the garden to suppress weeds, keep the moisture in and keep the worms happy.
The shredder is quite good. So far we have used it with olive prunings and poplar branches with a diameter of up to about 3cm. The shredder comes with a small metal bar in the middle of the exit chute. I think this is due to safety to stop anyone putting their hand down. It caused a lot of blockages because once a small twig had been blocked it rapidly stops any more material from being ejected. Once I had removed this small metal bar the blockages were less frequent. At the end of this video there is actually a blockage caused by pine needles. When there is a blockage it takes a couple of minutes to unscrew the 13 milimetre bolts, unscrew the expulsion chute and clear the blockage. Blockages happen when too many leaves or pine needles are put in at the same time. This machine is not designed for lots of small leaves it, prefers long straight branches.