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The record set for a standard 2L water bottle rocket charged to 40 psi was 89.5 on a gently declining slope at Byline Festival 2018, set by Zac & Kem who attempted a rifling effect with their stabilising fins and succeeded beyond their wildest dreams. Your challenge is to better that record, and it's not like it's brain surgery or anything.

Age 11+

Meet at the information tent

Earlier Event: August 24
Bat Walk with Bridget Nicholls
Later Event: August 25
Electric mini-cars