Last few causing a bit of a headache, would appreciate help either confirming or correcting these.....
23a Number die in vain (4 two words) - NO GO
27a Turn of the tide for classical brass (3) - AES
38a This part is still turning after losing a bearing (6) - STATOR
28d Agree changing recipe for bread is suitable (8) - CONSONAN(t)
38d Essentially, stuff spat out (4) - SPUT(a)