This crossword No. 11428 clues and answers were published on Thu 21 Dec 2006 and the puzzle can be visited by following The Guardian Quick Crossword No. 11428 link.
All Across Clues and Answers:
5-across – Experimented-on animal : GUINEAPIG
8-across – French military headgear : KEPI
9-across – Liquid used in cookery or salad dressings : OLIVEOIL
10-across – Native American : MOHAWK
11-across – Street channel : GUTTER
13-across – Australia’s national airline : QANTAS
15-across – South American plains : PAMPAS
16-across – Men displaying muscles : BEEFCAKE
18-across – Rod connecting wheels : AXLE
19-across – Curious : QUIZZICAL
All Down Clues and Answers:
1-down – Overjoyed : JUBILANT
2-down – Open a bottle : UNCORK
3-down – Win Jag : JAWING
4-down – Flying toy – bird : KITE
6-down – Done up : RENOVATED
7-down – Chamber full of bottles : WINEVAULT
12-down – Florida inlet from the Gulf of Mexico : TAMPABAY
14-down – Stylish : SNAZZY
15-down – Beginning part of a word : PREFIX
17-down – Vendetta : FEUD
This crossword has in total 20 where 10 are across and 10 are down.