WryA Box.._-The_wing boxes are m-ade of lZlti in. ply, bound with silk and inserted into thc first three ribs. wiiih are made irom ! in. sheet. I in. sheet gussets are aclded in positions indicated for strength and l/10 in. plv 'at dihcdral-keeper is used on either side of the main spai the last dihcdrai break. The first wing rib is faced with l/lti in. ply which has I /16 in. slot cut in it ...
We covered our model with silk, which not only strengthens the model, but makes it possible to attain a beautiful paint job. Use enough clear dope to make the silk air-tight. Sand very lightly between the last two coats. Then use a flexible primer, such as Seal Sure Balsa Wood Sealer, which works fine on doped silk. Sand the sealer lightly.
F4 SILK THREAD LIMITS MOTION. (APPROX 2-V/16") SLOT FOR KEY. 1/16 SHEET RUDDER 1/8" BALSA STABILIZER SUPPORT. FUSE CUTS RUBBER BAND TO RELEASE STABILIZER. F3 F5 F6 1/32 SHEET COWLING 1/16 PLYWOOD ENGINE MOUNT .055 LANDING GEAR 1-1/4" DIA. STREAMLINE WHEELS FIREWALL FOR O.K. 'CUB 5 0 SIDE VIEW 0 1/16 PLYWOOD FIREWALL FOR BABY SPITFIRE R4 SI C 1 ...
- 2°SIDETHRUST (RIGHT ] CABIN TOP /8 DOWEL F 4 LAMINATE SUB RUDDER FROM 2 SHEETS 16 CROSS GRAIN FLOAT GEAR 14 SWG NOTE: HOOKS ON TAIL FLOAT TO ATTACH BY RUBBER BANDS IF PLUG-IN C IS USED AL PLY STRIPS STRIPS BIND WITH SILK STRIP SCRAP FAIRING CRACK LONGERONS CEMENT 8 SHEET NOSE. COVER BETWEEN SIDE PANELS WITH /16 SHEET FROM FI TO TOP OF ...