Tuesday, December 22, 2020

Sun Fli4 IV wing construction

Decided to utilize the recently acquired A-Justo-jig on building the SF4 (SunFli IV) I've had in inventory for a few years.  The jig instructions were fairly straightforward on how to assemble the jig. I substituted most of the jig's screw hardware with socket-head screws.  This makes the jig easier to assemble and makes adjustments of setting rib spacing and dihedral much easier.  The jig's instructions lack practical examples and or pictures on how to configure the jig for different wing platforms.  I had a couple of false starts setting up for the SF4 wing but managed to produce a high-quality wing.  The jig allows constructing up to a 70" wing in one piece.  Plus having the ability to rotate the wing 360 degrees on the jig enables applying top and bottom sheeting, cap strips servo bays, landing gear blocks among other elements before removing the wing from the jig.  I'm looking forward to using the jig to construct the fuse.












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