Anybody that has built a model of a Mitsubishi Zero has wondered about those strange “biscuits” that stitch their way down the side of the fighter’s engine cowling. Today, we get to see what is underneath. Hooks connect the top half of the engine cover to the bottom. The oval covers ensure that the hooks have no way of coming loose in flight. The “biscuits” are held in place by Dzus fasteners on the top and bottom.
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