© 2008 Stevens AeroModel.
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4.
Dry fit the 1/32 in. plywood servo tray W1a (sheet 19/21) to the wing center section spanning S1 spar web and
ribs R1. Double W1a by fitting 3/32 in. balsa lower center section sheeting W1b (sheet 07/21) as illustrated
below. Square the center section against the spar and your flat work surface. Retain parts by tack gluing with
thin CA at tab and notch locations and where the W1b sheeting joins the lower spar cap.
***Optional*** If you plan to install the optional spoiler assembly, remove the center section servo knock-out
plug by cutting it free with a sharp hobby knife as illustrated.
5.
Locate ribs R2 (sheet 06/21) and key to assembly as illustrated below. Use the plan set to reference proper rib
placement.
6.
From one 48 in. length of the provided carbon fiber flat stock cut two 18-1/4 in. in lengths.