Knight Errant. Control line profile stunter.
Quote: "KNIGHT ERRANT. An easily built profile stunter for 2.5 to 3.5 cc engines by D. CHINNERY.
Knight Errant has been developed as an easy-to-build stunter for 2..5 cc engines which, although fully stuntable, yet remains sufficiently docile for a beginner. For the real novice the flaps should be fixed and disconnected, when the model makes a very stable trainer.
Construction. Wing. Cut out all ribs and components, splice the TE and join the spars with doublers over the centre 12 in. Drill the hole for the bellcrank pivot in both spars and pin bottom spar down on plan. Pin the TE down on top of 1 in packing at alternate ribs, then glue the ribs to the spar and TE.
Fix lead-outs to the bellcrank using the soldered loop method detailed on the plan. Cut primary push rod to approx. length and locate forward end in the bellcrank, using a soldered cup washer. Fix the bellcrank pivot bolt in top spar, recessing the head and fit the bellcrank, spacing it along the bolt with soldered on nuts as shown in the diagram. Holding the bellcrank on the bolt, pass the lead outs through the holes in the inboard ribs, until the bottom end of the bolt drops into the hole in the bottom spar and glue spar in rib slots.
Carve LE to section, slot rear face to fit ribs and glue in position, using the small piece of ply to key the halves together. When all the joints are set, remove the wing from the plan and screw the nut on the lower end of the bellcrank bolt, recessing as for the bolt head. Fill both recesses with balsa cement to stop rotation..."
Knight Errant, Model Aircraft, May 1964
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Article pages, thanks to RFJ.
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