Well, I've been busy editing videos from the CS32 chainsaw course I was on this week, so put them full-screen, turn up the sound and sit back...
First, felling an oak tree that then gets hung up, and how it is taken down by severing some of the hinge:
Here's the slow-motion reply of the bit where several trees knock each other over - this is why everyone's meant to be two tree lengths away...
Using the Tirfor winch to assist in felling of an oak:
Felling a forward leaning oak, using retaining wood to hold it until the last moment:
Using a winch to roll a hung up tree so it falls safely:
All the training was delivered by David Rossney of Esus Forestry Training.