stalled

Hi, I recently brewed a BIAB batch of what I hoped would be an imperial stout with an initial OG of 1.084 and an expected FG of 1.017 on a 14 litre batch pitched with US-05. After 4 days I checked the fermenation which gave a gravity reading of 1.040. I then checked a further 6 days later and...

I've recently started home brewing and I'm on my 3rd kit. It is a Pennine Peak Yorkshire Bitter from Bulldog Brews. I'm brewing in a standard 23 litre plastic bucket with a tap on the side and an air trap in the top. I've stuck a strip thermometer on the side and added an emersion heater (looks...