Complete
00:00:00
1 9 12 13 17 20 22 11 2 18 3 23 4 10 16 14 8 21 5 6 15 7 19
  1. 1a Ear membrane — my MP a nut (anag) (8)
  2. 5a Sudden sharp feeling (4)
  3. 9a Tycoon — ski slope mound (5)
  4. 10a Gulf sheikhdom (7)
  5. 11a Grouchy (12)
  6. 13a Expresses audibly (6)
  7. 14a Calm (6)
  8. 17a Dinosaur with a long neck and tail (12)
  9. 20a In the open air (7)
  10. 21a Dirty (5)
  11. 22a Boot (4)
  12. 23a No 1 in the periodic table (8)
  13. 1d Hours clocked up? (4)
  14. 2d Person moving abroad (7)
  15. 3d Poetic rhyming device using words with the same initial letter (12)
  16. 4d Cultured (6)
  17. 6d Where Davy Crockett died, 1836 (5)
  18. 7d Hoodlum (8)
  19. 8d Fast food — begs cure here (anag) (12)
  20. 12d Skin cream to filter out ultraviolet light (8)
  21. 15d Droll (7)
  22. 16d Up the garden path? (6)
  23. 18d Device for measuring out spirits (5)
  24. 19d Bluish green (4)