RE: JAS-39 Gripen Owners/Build Thread
Skymaster ARF Saab Jas-39 Gripen Instruction Manual
Page 4 - Step 5: Take out the Engine cover then setup the two screws for rudder fin. When you place the rudder fin in the fuselage, please make sure you use thread lock or a spring washer to set the screw in tightly. Also, make sure you check the screw regularly to ensure that the rudder does not come loose. Please keep in mind, if the rudder is even slightly loose, it could cause flutter and serious damage on the plane.
Page 4 - Step 6: Glue the 6 Hinges for the Wings
Comment: This step was applicable to the eariler version. The ARF+ version has the wingskin hinged.
Page 4 - Step 7: Install the two servos for the Elevons