Spar and Stringer Slotter
A razor blade epoxied to each side of a suitable balsa shim will speedily cut constant-width spar or stringer slots. Drawing adapted from 400 Great R/C Modeling Tips by Jim Newman, Volume I, an Air Age Media publication. Reference color image shows stringers in a fuselage under construction. Photo by Gerry Yarrish, courtesy of ModelAirplanenews.com.
PARDON THE INTERRUPTION
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