Do you have a question about the SIG Somethin' EXTRA N477SC and is the answer not in the manual?
Prepare spars, root ribs, and wing joiner tubes for wing construction, focusing on accurate dimensions.
Glue ribs to the spar and position servo trays, ensuring alignment and perpendicularity for a strong wing.
Apply leading edge, trailing edge, and center section sheeting, ensuring flatness and proper alignment.
Fit and glue shear webs between ribs and spars to reinforce the wing structure, ensuring rigidity.
Assemble stabilizer parts and elevator halves, including tip and horn placement for control surfaces.
Construct the vertical fin and rudder, incorporating the tailpost and control horn locations for flight control.
Prepare the firewall, attach engine mounts, and determine engine positioning for optimal balance.
Prepare landing gear and forward hatch mounts by installing blind nuts for later component attachment.
Attach doublers, firewall, formers, and servo tray to fuselage sides, ensuring structural integrity.
Install tank floor, bottom sheets, wing joiner tube, and rear formers, creating the core fuselage structure.
Install antenna tube, throttle cable, canopy hatch, and fairing blocks, finishing the fuselage assembly.
Shape canopy assembly, fairing blocks, and sand the fuselage smooth for a clean and aerodynamic finish.
Cut, fit, and glue the canopy to the fuselage hatch, ensuring a clean fit and finish for aesthetics.
Install the tailwheel onto the rudder, ensuring proper alignment and secure attachment for ground handling.
Fabricate and install tail support rods for added rigidity to the fin and stab assembly during flight.
Assemble and attach the landing gear and wheel pants, ensuring proper fit and alignment for flight.
Install the fuel tank and engine, connecting fuel lines and throttle linkage for operational readiness.
Mount the receiver, servos, and switch, and route antenna and servo extensions for control system.
Assemble and install pushrods for rudder, elevator, and ailerons, connecting to servos and control horns.
Set control surface travel limits and explore radio mixing options for enhanced flight performance.









