Spoonie, get one of these.
http://en.wikipedia.org/wiki/Belt_sander
A hand held one, you can pick them up quite cheaply at the sheds (own brand) start with a coarse grade and work down the scale.
http://en.wikipedia.org/wiki/Belt_sander
A hand held one, you can pick them up quite cheaply at the sheds (own brand) start with a coarse grade and work down the scale.