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The actuating lever should be as close to 90° to the canards as possible, when the canards themselves are
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set up parallel to each other and in line with the fuselage root fairings.
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Wings (Servo-Locks, pushrods, horns)
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The first step here is to assemble the Servo-Locks from the machined plywood parts (No. 22) using thick
cyano. Screw the servos to the mounts (Figs. 14, 29, 29a).
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The servos can now be installed.
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Position the servo assembly correctly relative to the machined slot in the hatch cover (Fig. 29), then glue the
Servo-Lock cover to the assembled Servo-Lock using thick cyano. Before you glue the parts together it is
important to check that each servo is positioned with the output arm aligned accurately with the
machined slot in the top surface of the wing, and in line with the machined horn slot in the control
surface (Figs. 14a, 14b, 31). If necessary adjust the machined slot in the top surface of the wing using a
round file (Figs. 14b, 31).
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Attach the Servo-Locks to the wings using the self-tapping screws (No. 14, 16 off - Fig. 30). Drill 1.5 mm Ø
pilot-holes beforehand to avoid the plywood splitting or bursting. Don't forget to extend the servo leads and
secure the connections. Set the servos to centre (neutral) using a servo tester, and fit the servo output arms.
Secure them permanently at this point using the screws provided - this saves removing and re-installing the
servos repeatedly when setting up the control surface travels.
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The pushrods for the four elevons are assembled using the M3 clevises (No. 55), locknuts (No. 58) and
threaded rods (No. 51), cutting each rod to the required length for the associated control surface. The
clevises can also be soldered to the rods if you prefer (Fig. 14b), as an alternative to securing them with M3
nuts (No. 3).
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General tip: before you make up any of the control surface linkages, check carefully that the servos are at
neutral / centre, and that the servo output arms are correctly positioned, i.e. at 90° to the line of the pushrod.
If the pushrods are straight, and perfectly aligned with the servos and the control surfaces, you will find it a
straightforward matter to program the radio control system satisfactorily. We strongly recommend using the
Graupner Servo Tester, Order No. 763, to centre the servos accurately and check and adjust the control
surface travels.
Wing joiner tube / carbon rod
You may find that the wing joiner tube (No. 5) or the carbon rod, Order No. 6264.220, is too long and has
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to be shortened - if so, don't rush the job! Measure or calculate the correct length: sum of fuselage width, 2
x fin thickness, 2 x depth to end of wing joiner sleeve. Check your sums a second time before reaching for
the hacksaw!
If the wing joiner tube is left too short the results can be fatal, as the forces cannot be transferred
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from wing to fuselage if the joiner tube is not long enough. The wing joiner tube and also the optional
CFRP rod, Order No. 6264.200, must project beyond the support ribs inside the wing, i.e. right to the
end-stops provided by the manufacturer. Measure this carefully, and make certain that the length of
the wing joiner tube or rod is correct (aluminium or CFRP part as described above).
Attaching the wings to the fuselage
Fit the M6 x 30 socket-head cap screw (No. 13) in the appropriate hole in the root facing rib, and secure it
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with an M6 self-locking nut (No. 56a) as shown in (Figs. 16b, 32). The self-locking nuts (No. 56a) are
designed to prevent the socket-head cap screw (No. 13) falling out.
The socket-head screws are used to clamp the wings and winglets (fins) against the fuselage. The fuselage
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features factory-fitted captive M6 nuts to accept the screws.
You may find that the slot through which the ball-end allen key is fitted is not quite large enough; in this
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case open it up using a round file.
Fins / winglets (No. 6)
The hole to take the M6 wing screw (No. 12) in the fin must be enlarged to suit the diameter of the M6 self-
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locking nut (No. 56a); the recommended diameter is 12 mm.
Fix the linkage balls (No. 60) to the outermost hole in the factory-installed rudder horns using M2 self-
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locking nuts (No. 61) (Fig. 27).
Make up the rudder pushrods (Figs. 13, 28). It is a good idea to assemble the model first, set the rudder
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servos to neutral using the servo tester, and measure the correct length of the pushrod between the ball-link
and the hole in the servo output arm. Assemble the pushrods from parts (No. 52, 53, 55, 57, 60, 61) as
described under "General information on control linkages".
Note that a hole must be cut in each fin (No. 6) large enough to allow the aileron servo connector to pass
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through; the suggested position is shown in (Fig. 26); a matching hole must also be cut in the fuselage root
facing rib (Figs. 26a, 26b)
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
Änderungen vorbehalten! Keine Haftung für Druckfehler! Ident-Nr. 0057999
04/2003
All manuals and user guides at all-guides.com
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