Miss Canada IV was Canada’s first challenger for the Harmsworth Trophy, emblematic of world speedboat supremacy. She set an official world record of 138 MPH in 1949 and in her 1950 attempt to best Slo-Mo-Shun’s 160 MPH world mark, recorded a one-mile run of 173 MPH. On her return run at an estimated 200 MPH, the gearbox failed and she drifted to a stop one hundred yards short of a certain world record. Her restored Griffon engine is capable of 3000HP. MCIV is on display in the Murray Walker Grace and Speed boathouse.
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