This crossword No. 15866 clues and answers were published on Mon 15 Mar 2021 and the puzzle can be visited by following The Guardian Quick Crossword No. 15866 link.
All Across Clues and Answers:
1-across – Wind-up mechanism : CLOCKWORK
8-across – Surge : BOOM
9-across – Using compressed air : PNEUMATIC
10-across – Online journal : BLOG
13-across – Soft round brimless hat : BERET
15-across – Scallywag : RASCAL
16-across – St George’s adversary : DRAGON
17-across – A large quantity : STACKS
19-across – He’ll lock up : JAILER
20-across – Sturdy : SOLID
21-across – Regulation — measure : RULE
24-across – Forecast : PROGNOSIS
25-across – Nonsense : BUNK
26-across – So it’s claimed : ALLEGEDLY
All Down Clues and Answers:
2-down – Extended : LONG
3-down – Close friend : CHUM
4-down – Sneaky person : WEASEL
5-down – Damaged beyond repair : RUINED
6-down – Iron pyrite : FOOLSGOLD
7-down – Fictitious : IMAGINARY
11-down – Recommend as beneficial : PRESCRIBE
12-down – Alsatians : ASSAILANT
13-down – Luxuriates : BASKS
14-down – Step : TREAD
18-down – Plant with leaves used in salads and cookery — reddish-brown horse : SORREL
19-down – Catchy promotional tune or song : JINGLE
22-down – Drug — information : DOPE
23-down – List of performers : BILL
This crossword has in total 28 where 14 are across and 14 are down.