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7

E102056#1

7.2 Tailplane and Fin

7.2.1 Cut out te pattern for the tailplane (7) (Plan 8). Apply spots of glue to the rear of the pattern and lay it out on 

the foam sheet 3 x 114 x 410 (See page 4). Firstly cut out the 3mm slot in the Tailplane using a steel ruler 

and sharp modelling knife (7) and then the remaining contours.

7.2.2 Cut out the Fin (8) and remember the lower fixing tab.

 

  Note: 

The directional (long) flap is cut after the plane has been flown

7.2.3 Sand the curves of the Fin and Tailplane to shape with a block and glasspaper.

   

Note:

  The underneath of the Fin (8) must not be sanded!

7.2.4 Ensure the Fin fits in the slot in the Tailplane.

7.2.5 Glue the Fin into the slot in the Tailplane and leave to dry

    Note: 

The Fin must be at right angles to the Tailplane

7.2.6  Mount and glue the Fin and Taiplane on the Fuselage (3) and leave to dry!

    Note: 

Make  sure  that  it  is  mounted  squarely  with  the  Fuselage  otherwise  the  flight  pattern  will  be 

   

affected!

Do NOT sand the  

underneath of the 

Fin (8)

This  long  cut  for  the 

flap is cut after the first 

flight

7

8

Содержание 102.056

Страница 1: ...ded for pupils 10 years old plus by B Elsner Please Note The OPITEC range of projects is not intended as play toys for young children They are teaching aids for young people learning the skills of Cra...

Страница 2: ...ish Wood varnish Base coat plus finish also in spray form Staining Water based finish with clear varnish 2 2 Material Depron thermoplastic Polystyrol hard foam PS white Working Cutting with a modellin...

Страница 3: ...55 x 255 2 Nose sides 2 Balsa 2 x 48 x 95 3 Fuselage boom 1 Pine strip 6 x 8 x 495 4 Wing support 1 Balsa 2 x 20 x 125 5 Wing dowels 2 Beech dowel 3mm dia x 125 6 Fixing dowels 2 Beech dowel ca 3 x 2...

Страница 4: ...056 1 6 The layout of the balsa pre cut ribs sheet and Depron 62 5 4 13a 12 2 2 7 8 12 13 Pre cut balsa ribs etc Balsa sheet tailplane Depron sheet Note Do not alter the layout due to the cutting dire...

Страница 5: ...selage 7 1 1 Assemble the building plan Pages 15 17 19 3 pages by cutting the plans along the broken lines and sello tape them together Note Note the markings 7 1 2 Cut out the pattern for the nose se...

Страница 6: ...plan as reference glue one dowel at the front end of the nose and the other at the end see plan Note Do not cut both of these pieces from the same length of dowel 7 1 9 Sand the nose and then chamfer...

Страница 7: ...he plane has been flown 7 2 3 Sand the curves of the Fin and Tailplane to shape with a block and glasspaper Note The underneath of the Fin 8 must not be sanded 7 2 4 Ensure the Fin fits in the slot in...

Страница 8: ...egularities can be removed on the top or bottom of the ribs can be smoothed in this way 7 3 5 Cut out the patterns for the angled wing supports 13a from the plan Use the patterns on the balsa sheet an...

Страница 9: ...middle ribs A must not be glued 7 3 11 Glue the angle supports 13a against the second rib and leave to dry thoroughly 7 3 12 Place the middle rib A on the end of the main wing spar and lean it against...

Страница 10: ...only apply glue to the ribs and spar The middle line on the joiner must be just visible Rub the joiner on the glued area and leave to dry for approximately 1 2 hour 7 3 20 Weight one half of the wings...

Страница 11: ...and gently stretch it over the wing smoothing out any wrinkles as you go 7 4 4 Coat the top of the wing leading edge etc with paste 7 4 5 Hold the wing in the air turn it slowly so that the covering...

Страница 12: ...l stop the wings from warping 7 3 8 Once dry the wing can be coated with a thinned 1 1 mixture of shrinking dope and thinners and placed on the trailing edge to dry 7 3 9 Coat the wings once more with...

Страница 13: ...k is mad e smaller Keep repeating this stage until a smooth flight path is achieved 7 7 4 If the model dives add card strips under the leading edge of the wing the angle of attack is made larger Repea...

Страница 14: ...14 E102056 1...

Страница 15: ...15 E102056 1 Plan patterns Scale 1 1 1 2 3 11 9 12 5 4 10 6 6 6...

Страница 16: ...16 E102056 1...

Страница 17: ...Plan patterns Scale 1 1 17 E102056 1 Pattern for the nose 1 Win d Flyer 2 Win d Flyer 2 Hochstarthaken...

Страница 18: ...18 E102056 1...

Страница 19: ...Plan pattern Scale 1 1 19 E102056 1 Pattern tailplane Pattern nose side clad ding Pattern tail fin Pattern wing rood angle joiner 8 7...

Страница 20: ...20 E102056 1...

Страница 21: ...Wing patterns Scale 1 1 4 5 21 E102056 1 Selloptape 9 13 12 12 10 11 Left hand wing half Shape the tips as shown...

Страница 22: ...22 E102056 1...

Страница 23: ...23 E102056 1 Patterns for parts 15 16 17 and 22 scale 1 1 12 12 13a 13a 16 15 14 10 9 11 13a Middle rib A Flight direction...

Страница 24: ...24 E102056 1...

Страница 25: ...25 E102056 1 Patterns for parts 15 16 17 and 22 Scale 1 1 70 25 105 If found please notify the owner Name Address Town Tel 13 12 12 Right hand wing half...

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