Cryptic crossword - The Scotsman 13/05/14

ACROSS 1 Believe decisive moment has come with loss of power to borrow money (6,6) 9 Must aid construction of arena (7) 10 Threatening promotional jingle (7) 11 Rough mat makes singers lose heart (5) 12 Film one during gambit (5) 13 Pain experienced by a revolutionary (4) 16 At least 9 down is this, but it may be only temporary (3,4) 17 The racy fashion for one who goes sailing (7) 18 Blow up when data is delayed (7) 21 This indicates protein substitute (7) 23 Animal said to have connections (4) 24 Unyielding at the back (5) 25 Storm about funding non-starter (4) 28 Has done a testimonial covering the most tidy (7) 29 Large bag of grass? (7) 30 Smart cars carrying fish for heels-on-wheels (6,6) DOWN 2 He has no illusions about a register (7) 3 Father’s on the platform (4) 4 Record when left mild punishment for kids (4,3) 5 Study one at empty library with a will (7) 6 Scoundrel heard to be in the body of the kirk (4) 7 Type of bean used in rich oat mixture (7) 8 Measure alternative box as original remedy for depression of fallen star (6,6) 9 Not at the top in brief period obeying the rules (6,2,4) 14 Overweight, short man _ it’s deadly (5) 15 Sharp smell leads a police department to nab first robber (5) 19 First footing’s not just for outdoor entertainment (7) 20 Give authority to lie about around tent (7) 21 Studies for employability (7) 22 Wander about where pirates operate (7) 26 Came a cropper on moor (4) 27 Painter (not Jewish academician) (4)