Flying Dog Grape Gym-Star Manual - Página 4

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150mm

165mm

Cut the 2mm carbon rod into 200mm lengths. Slit

the foam and insert the rods to form the under-cart.

Fix with medium CA.

7b.

Don't fix with glue just yet. Work your way down

the fuselage, inserting carbon stiffeners in the same

configuration as the picture.

When completed, check the whole thing is square

and straight and adjust accordingly. When you are

satisfied it's true, fix each joint with medium CA.

There are various configurations for the aileron

servo/servos on the Gym-Star. Although not

necessarily the most aesthetically pleasing, probably

the easiest way is to simply mount the servo on top

of the wing! If, however, you do want a cleaner look,

it can also be mounted under - though this is a little

more fiddly.

The final option is to use two servos for the ailerons,

which then gives you the facility to adjust the

differential and use flap mixes, etc.

The first (on top of the wing) option is pretty straight

forward, so we'll deal primarily with the latter two.

Underwing Servo: Position the servo (spline

forward) onto the upper vertical fuselage and cut

around it so the servo is a tight fit into the foam.

Remove the servo, attach it to the RX and centre it.

With a double horn fitted, CA on the supplied horn.

When the CA is set, the arm can then be secured by

frapping with cotton/thread soaked in CA.

Push the servo back into the fuselage, check the

horn moves freely and attach the wing. Attach a Z

bend to a piece of 2mm rod and with it fitted to the

servo horn, with the pushrod at 90 degrees (see

picture 9) cut it to length, so the end of the rod is

directly over the hinge line. Repeat for the other side.

Use the dimension provided rather than going by the photo – we'll let you guess why ☺

7a.

Cut two pieces of 1mm carbon rod into roughly

130mm lengths and insert into slits cut with a scalpel

starting from the under-cart.

7b.

Remove the pushrods and secure the aileron horns

using heat shrink. With the pushrods refitted, mark

and cut slits for the aileron horns.

Do not glue the horns into the ailerons at this stage;

once the wing and bracing have been fitted the horns

can be adjusted in the slits to centre the ailerons

before fixing with CA.