A breathtaking third term has carried the Sydney Swans to a club record-equalling 12th consecutive victory on Saturday night, beating Carlton by 71 points at the SCG.

The Blues trailed by just seven points after a competitive first half before Lance Franklin took over, kicking five of the Swans' 10 goals in the third quarter to break open a scarcely believable 70-point lead.

It was 10.4 to one solitary point in that third term as the Swans cruised to a 18.14 (122) to 7.9 (51) result that lifts them back one game clear atop the AFL ladder.

Franklin, who didn't score in the first half, finished with 6.2 as the Swans matched a winning streak set three times in club history, the last of which came way back in 1935.

In two of those previous occasions, the South Melbourne-based Swans went on to win the premiership, and it would be a wise man betting against that scenario happening again on current form.

Josh Kennedy lacked his usual kicking efficiency but still finished with an impressive 41 touches, while the usual suspects of Jarrad McVeigh, Kieren Jack, Ben McGlynn and Luke Parker played their part.

Ruckman Mike Pyke also finished with 53 hit-outs, smashing his personal best of 47, set against Gold Coast two years ago.

Reliable duo Bryce Gibbs (29 disposals, 10 clearances, seven tackles) and Marc Murphy (29 disposals, seven clearances) led the way for Carlton, with Kade Simpson playing a solid role off halfback.

Lachie Henderson was the Blues' only multiple goalkicker with two ahead of next week's clash with North Melbourne.

The Swans started the match dominating possession and the inside 50 tally, but unable to make it count on the scoreboard.

Gary Rohan finally broke a goalless first 18 minutes with a superb solo effort, accelerating away from Zach Tuohy and slamming it through from a tight angle and celebrating with the partisan home crowd.

Brock McLean answered with a difficult set shot before a late Nick Malceski goal, coming from a needless Levi Casboult 50 metre penalty, earned the Swans a late goal and the Carlton forward a spray on the bench.

Leading by just eight points at the first change, the game started following the script early in the second term with the Swans kicking three of the first four goals to break open a 20-point edge.

Yet the Blues were up for the fight, with a sustained period of pressure resulting in three goals, capped by third-gamer Blaine Johnson's effort after the siren which made it just a seven-point game at half-time.

But the match was turned on its head in the third quarter as the Swans eased their way to victory.

SYDNEY SWANS      2.4   6.6    16.10   18.14 (122)                  
CARLTON                 1.2    5.5     5.6       7.9  (51)          

GOALS

Sydney Swans: Franklin 6, Reid 4, Parker 2, Goodes 2, Rohan, Malceski, Lloyd, McVeigh
Carlton: Henderson 2, McLean, White, Bell, Johnson, Everitt

BEST 
Sydney Swans: Kennedy, Franklin, McVeigh, Parker, K Jack, Pyke, Smith
Carlton: Gibbs, Murphy, Simpson, Henderson, Curnow

INJURIES 
Sydney Swans: TBC
Carlton: TBC

SUBSTITUTES
Sydney Swans: Brandon Jack replacedDane Rampe in the fourth quarter
Carlton: Nick Graham replaced David Ellard in the third quarter

Reports: Nil

Umpires: Rosebury, Harris, Mollison

Official crowd: 34,965 at the SCG