Howdy. Been away for a year or so. but a tradgedy occurred this morning - I broke one of the hinges on the ash door of the darby... Need to let it cool down before I can assess the problem. It will pain me greatly if we have to replace it. We cook on it 2-3x a week and it's become part of the family.
We prefer nut in the darby. It burns hotter, but does not last quite as long as pea. Pea is great for warmish times, but when it gets really cold (<20f), nut is what you want.
Regarding the grate, if you aren't firing too hot, it works fine; when it gets cold out and you're really burning, it needs 'flossing.' We use a long stiff wire with a hook in it, up, from the ash door.