Ellyse Perry is known for her powerful hitting and she has given another illustration of her penchant for playing big shots after smashing the windscreen of an ambulance with a six at a WBBL match in Launceston.

Key points: The ambulance was stationed beyond the boundary at Invermay Park when Ellyse Perry's shot broke the windscreen

The ambulance was stationed beyond the boundary at Invermay Park when Ellyse Perry's shot broke the windscreen Perry hit four sixes in her unbeaten innings of 70 against the Hurricanes

Perry hit four sixes in her unbeaten innings of 70 against the Hurricanes The Sixers defeated the Hurricanes by 39 runs

A St John Ambulance parked at Invermay Park felt the full brunt of Perry's shot-making in the Sydney Sixers' fixture against the Hobart Hurricanes when one of her four sixes landed on the windscreen and caused massive cracks to appear.

Ambulance officers were enjoying Perry's innings at the time and had no time to take evasive action, given the force and speed with which she cleared the boundary.

Perry finished with an unbeaten 70 as the Sixers beat the Hobart Hurricanes by 39 runs.

Perry's big hit left a large number of cracks on the ambulance windscreen. ( AAP: Scott Barbour )

The star all-rounder took her season tally to 351 runs at an eye-popping average of 117.

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The captain's knock off 56 balls propelled the Sixers to an imposing 2-172 from their 20 overs before they skittled the Hurricanes for 133 in 18 overs.

Perry was well supported by opening partner and fellow Australia international Alyssa Healy (39), with the pair getting the Sixers off to a flyer with an opening stand worth 72 runs.

They have been in superb touch with the bat in the early stages of the WBBL season, having put together an unbeaten 199 for an opening stand against the Melbourne Stars in Perth earlier this month.

It was a record partnership for any major women's domestic Twenty20 competition.

Ash Gardner (28) and Burns (26 not out) also ensured the momentum never slipped in Launceston.

The Hurricanes lost three wickets in the first four overs of their response and never threatened to recover.

Captain Corinne Hall (31) and Fran Wilson (29) did their best to resurrect Hobart's cause with a 63-run fourth-wicket stand while South African Chloe Tryon (19) was typically aggressive.

But the hosts' lower order crumbled, with the last five wickets falling for just 18 runs.

Erin Burns (3-5) came on and mopped up the tail after Marizanne Kapp (2-18) had caused havoc with the new ball for the Sixers.

The Hurricanes have gone seven matches without a victory after starting the season with successive wins while the Sixers, who started the day in sixth spot, now only trail leaders Adelaide on percentage.

Perry hit four sixes on her way to an unbeaten 70 against the Hurricanes. ( AAP: Scott Barbour )

AAP/ABC