1 Plan of half of school examiners occasionally (6)
4 Sect she's organised for equipment for board game (5,3)
10 More delicate way of setting fire to something (7)
11 Disastrously ruin ram with this disease? (7)
12 Set upright small pile of hay (4)
13 Plant snail-shaped shellfish (10)
15 Inhale smoke maybe from fabulous fire-breathing monster (6)
16 Mounted sentry in the past intricately vetted enemy essentially (7)
20 Tramp's foot wrapped in towel, say (7)
21 Set in motion adult tucking into middday meal (6)
24 Funnily red can become hostile (10)
26 Drag leg lacking stiffness (4)
28 North Briton gets round with energy principally riding child's toy (7)
29 Cheat in Washington, maybe used by last US President (7)
30 Kind of opening in overturned cross component (8)
31 Just get by, using reekie yogurts from time to time (3,3)
1 Wacky team it's said, describing this compound (8)
2 Elevated church tune; one to lift up offspring? (9)
3 Mum with no hesitation is a fragile, frivolous creature (4)
5 Cough to draw attention to verses; these rise and fall we're told (8)
6 Member of the armed forces: fellow employed to repair machinery (10)
7 Taste with relish some of Scotland's mackerel (5)
8 Fragile revolutionary trap turns up (6)
9 Precious metal that is left in bay window (5)
14 Prisoner, French policeman and stroppy adolescent fought (10)
17 One who earns a living playing in Preston in a fashion (6,3)
18 Renaissance artist rejected Christmas: a primarily regrettable event (8)
19 Cargo sailors in the past transported initially (8)
22 Piece of chain-mail troubled guests (6)
23 Kind of down following defeat (5)
25 Plants I'd taken from south-eastern US state (5)
27 How dogs react to the outer sheath of tree trunks? (4)
1 Plan of half of school examiners occasionally (6)