Atera (oz13410)

 

Atera (oz13410) by L Last from Model Aircraft 1960 - plan thumbnail

About this Plan

Atera. Control line sport model. Wingspan 20 in, for Frog 150 Mk II engine.

Quote: "A realistic Sports Control-liner. Atera, by L Last.

THE fully detailed plan really needs very little additional information to enable anyone who has previously built a C/L model to successfully complete Atera. The following notes do, however, suggest the best building sequence to simplify the construction, of this attractive little machine.

As you will see from the photographs Atera has been the result of a study of pre-war Japanese fighter design, notably the type 95 which it closely resembles. It would look very effective finished in Japanese colours with the Rising Sun insignia.

Construction Notes:

1.Construct bell-crank assembly complete with push-rod and lead-out wires. Note loops on LE wires and on push-rod for control horn to be formed only after all construction of model is completed.

2. Bend u/c legs to shape and bind to wing spar formers (F.I0, 11, 12 and 13).

3. Fit bell-crank assembly to wing spar formers.

4. Mark off fuselage former positions on fuselage keels F.1 and 2, and fit F.2 to wing spar/bell-crank assembly.

5. Add fuselage formers F.14 and top keel F.11, followed by F.15, 16 and 17.

6. Mark off engine bearer positions on formers F.6, 7 ,8 and 9, to suit type of engine to be installed and cut openings to suit.

7. Fix formers F.6, 7, 8 and 9 to F.2. Add both side keels F.3, engine bearers and tank table.

8. Fit engine, fuel tank and fuel tubing.

9. Add formers F.4 and F.5 keels to F.3, and then sheet fuselage, allowing approx 1/8 in clear around cylinder head. 10. Add tail-skid, cockpit spine and framing, fin, rudder, tailplane and elevator assembly, centre the control bell-crank, add elevator horn to push-rod, and then cement it in position on the starboard elevator.

Wings:

11. Cement wing ribs W.1, 2 and 3 of each wing to wing spars, and align with care.

12. Add leading and trailing edges to ribs 1, 2 and 3. Cement ribs W.4, 5 and 6 into position, and when dry sheet wings. Add wing tips and form loops on lead-out wires.

13. Construct u/c spats and leg fairings and fix securely into position.

14. Construct air intake for engine cylinder head from sheet or block balsa, allowing 1/8 in clearance around cylinder. Fix into position and add card air outlet gills to cowling.

15. Cover entire model with lightweight tissue and apply two coats of clear dope before colouring.

The original model was powered by a Frog 150 Mk II. The colour scheme was black fuselage spine, fin and rudder and u/c spats, yellow fuselage, wings and tailplane, black and yellow checkerboard as shown in/the photos.

Flying:

As the engine is enclosed and cannot be choked in the normal manner, open jet-needle approx. four turns, block one tank vent with finger and use fuel can to force fuel through to engine. This is usually sufficient priming to allow starting."

Atera, Model Aircraft, February 1960.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.

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Atera (oz13410) by L Last from Model Aircraft 1960 - model pic

Datafile:
  • (oz13410)
    Atera
    by L Last
    from Model Aircraft
    February 1960 
    20in span
    IC C/L
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 08/10/2021
    Filesize: 798KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ

Atera (oz13410) by L Last from Model Aircraft 1960 - pic 003.jpg
003.jpg

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User comments

Great aggressive looks, the Japanese inspiration did occur to me even before I read the text :-) And the author went on to do a transparent perspective of his design, something one hasn't seen for many a year.
In our airmodelling world perspectives are pretty useless but they may have an artistic value much of their own, see for instance Hank Clarks's work at oz8044 or Doug Rolfe's at oz1926 and tell me I'm wrong :-)
Miguel - 02/11/2021
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Scaling

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