tried something similar on a lamb i cooked, sliced apples,onions,white wine and seasoning in the body cavity then sew it up w/ stainless wire but it all fell out when 1/2 cooked ? trial and error ?
Hope this helps Buckmark grill, S.S expanded metal 35"x35" and slides side to side
fire box dimensions 60"x36"x36"
rotisserie 14" - 20" above grill
Dayton gear reduction mortar from Granger, 115 V 1/2 HP 6 RPM