I got round to fixing the hole and crack. drilled holes at either end and V'd out a bit for the filler to get hold. To keep the filler in place I stuck some foil tab on the inside.
This is the stuff I got, I was going to use epoxy with ali powder in it but found this in a motor factors.
It goes off in 10 mins and sands really well.
Time for some crust removal. Most things on this are pretty pitted so instead of a wire wheel I went straight for the power file and a 40 grit belt. Then went through the grits before buffing with compound.
For doing a flat object I stick various grits to some formica and sit and rub
I started working on the fences which are quite rough