1: One Miss Horn takes a tumble with guys having outlaw spirits (11)

7: Solo, the pilot rises? No way (3)

9: Take Chair in university (3)

10: Determine Cartesian coordinates? (9)

11: Record left by teacher in Siam (5)

13: Escorted place for investment? (2,7)

16: Rinse out pine compound (5)

17: Simpletons at home with no money (9)

20: Trim waist in figure (9)

21: Some wear medals when carrying weapons (5)

22: Incorrectly read pitch for a song (4,5)

24: Transgression if turning end in Marseille (5)

25: A satin bow arranged for shipboard piper (9)

27: Later round without an opponent (3)

28: Sister gets nothing, we hear (3)

29: Watering devices found in run-down orange sheds (6, 5)

1: Makes a killing in Massachusetts land holdings (9)

2: Cot is unmade for short month in fall (3)

3: Spearfish in installments? (9)

4: To implicate is innate, swallowing a hundred backing Space Station One (11)

5: Wander around inside territory (3)

6: Host played in the pool around four, finally (5)

7: No one told sister (3)

8: Virago would dwell on male chromosome (5)

12: Nits are possibly more unpleasant (7)

14: Think at length about lost planet, comet (11)

15: Silver cap for crewless name (7)

18: Bird is short distance behind husks of wheat (9)

19: Avoids seeds, pits, nuts (9)

22: Year inside for undone expert (5)

23: Noise of family gathering at the start (5)

25: Throw out faulty nib (3)

26: Now Elton heard California's big one (3)

27: One may be transported by this kiss, it's said (3)