Models / Plans
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PIK-7 Harakka Scale Model

Semi-scale adaptation to scale of 1/4 aerotow and slope soaring. Designed and prototype built by Tuomas Otala, summer 2011

Key technical details:
wing span 2,65m
wing area 101,6 dm2
length 1,47m
weight 91,5kg
Wing loading 25 g/dm2
Wing profile HQ 3,5-14
Nr. of channels 3 min - 5 max
Center of gravity 112mm

Plans are availlable for free download at