Across
Result of Republican fighters entering race? That'd be telling (9)
Healthy dessert — small piece of pineapple per person (5)
Whopping six-footer in US army? (5)
Bar snack 14 had? (9)
Nervous model heading off wearing jersey inside out (7)
Chump or pork pie served after fish (7)
See 24
Software for visual effects, unpleasant type (3)
Wavy line marking flow of water across lake (5)
Tipping back over edge, cat comes a cropper (5,2)
Apparently unknown constituent works (7)
17a
Mobile traffic man's to cross 26 27's hero (9,2,3)
27d
One line written during course had repelled another 29 (5,4)
Shilling put back in old accounts (5)
Weapon maker hasn't succeeded, another having mightier armoury (9)
Down
Hitch end of chain in sink (4)
Tub-thumper's cycling, always on the move (6)
British PM briefly abolishes bills (6-4)
Uncharitable characterisation of a female setter? (6)
Insisted on backing church to stop closure (8)
Workmate's potty, bouncing up and down (4)
Like to jump up without slowing down (8)
Saying "scat!", you put your foot in it (4)
26 27's protagonist fixes housing shortage, ultimately (5)
Supremely evil influence in Chartist reforms (10)
Plaint on ousting enemy's mounted men (5)
Genial father casually welcoming in Parisian (8)
Better public school's secured with foreign capital (4,4)
Fluorine scare created problems (6)
Middle Easterners like wives out of bounds (6)
Outdoor celebration in Tenerife terminated (4)
Too large to fit into a small circle (4)
See 26
Type letters or click words in the clue