Tbm dv8r manual - Troy Built Models

Tbm dv8r manual - Troy Built Models Tbm dv8r manual - Troy Built Models

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From the photos, you can see how the wing tips are held onto the center section. There are 2 spars, one made of CF in the front and one made of aluminum in the rear. 1) Test that the rod (machine gun) goes completely through the 2 spars. 2) Find the hole in the front of the wing, and open it with a hot object 3) Insert the rod into the hole and test that it threads into the threaded insert in the back of the wing. Don’t install the spars yet. 4) Slide the spars in as shown. The holes in them go towards the bottom of the wing. Push the machine gun through them, and screw in place. These spars should be locked in place very well. The machine gun won’t unscrew during flight and fall out since there is no vibration. 5) Test fit the wing tip onto the spars. 6) Glue the spars to the wing tip only. Once the glue is set, remove the machine gun, and the tips should come off as long as you were careful not to get glue onto the wing ribs. Clean the spars with alcohol first. Then apply a small amount of Hysol into the slots in the wing tips. You don’t want glue to ooze out of the slot and glue the wings together. There is not a tremendous amount of force trying to pull the wing tips off, but enough glue must be present to hold the spars in place. 15

From the photos, you can see how the wing tips are held onto the center section. There are 2 spars,<br />

one made of CF in the front and one made of aluminum in the rear.<br />

1) Test that the rod (machine gun) goes completely through the 2 spars.<br />

2) Find the hole in the front of the wing, and open it with a hot object<br />

3) Insert the rod into the hole and test that it threads into the threaded insert in the back of the<br />

wing. Don’t install the spars yet.<br />

4) Slide the spars in as shown. The holes in them go towards the bottom of the wing. Push the<br />

machine gun through them, and screw in place. These spars should be locked in place very<br />

well. The machine gun won’t unscrew during flight and fall out since there is no vibration.<br />

5) Test fit the wing tip onto the spars.<br />

6) Glue the spars to the wing tip only. Once the glue is set, remove the machine gun, and the tips<br />

should come off as long as you were careful not to get glue onto the wing ribs. Clean the spars<br />

with alcohol first. Then apply a small amount of Hysol into the slots in the wing tips. You don’t<br />

want glue to ooze out of the slot and glue the wings together. There is not a tremendous<br />

amount of force trying to pull the wing tips off, but enough glue must be present to hold the<br />

spars in place.<br />

15

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