Asterix 20 (oz15180)

 

Asterix 20 (oz15180) by Franz Wenczel 1982 - plan thumbnail

About this Plan

Asterix 20. Control line stunt/combat trainer model. Wingspan 1040 mm.

Direct submission to Outerzone.

Quote: "Designed by Franz Wenczel and first published in 1982 the former Asterix 20 has become a kind of standard model for C/L beginners and for advanced C/L pilots in Austria. The plan shows the recent generation of the Asterix with shortened nose for heavier engines equipped with silencer.

Anyone who can cut a hollowed styro wing is able to build this rugged model for combat and stunt.

A kind of standard engine for the Asterix is the OS 25 LA, flown with a 9x6 or 10x4 airscrew.

All measures used are metric and optimized for 1.000 x 100 mm balsa sheets and for a 1.000 x 500x50 mm styrofoam plate. So, You can cut out four wing halves from one plate.

The plan is to scale when the black rectangle surrounding the plan measures 784 x 806 mm (30,9” x 31,7”).

By the way, this Asterix in the photos, my model here [main pic, 004-008] is sheeted with a poster of the c/l World Championship 1992 at Hradec Kralove, Czech Republic.

Glück ab - gut Land!"

Attached 2 articles, in German.

Quote (Google-translated): "Asterix 20. A tethered flight model for engines with 3.5 cc. Intended as a beginner's model as well as a training model for advanced users. The structure is simple and designed to save material.

To the plan
M 1:1 Template rib for Styrofoam surface, fuselage cutout, tank cutout.
M 1:5 the spar.
M 1:2.5 everything else.

For the surface: Cut two Styrofoam blocks 50 x 25 x 5 cm. Drill holes for bolts to adjust the template and glue in bolts. No acetone glue for Styrofoam parts. use - white glue is preferable here.

Now a profile half can be cut from the end strip to the nose radius using a heating wire. Turn the template over, support the bolt and cut a thin layer from the block. Turn the frame over and cut the second half of the profile away from the end strip again.

To drill through the surface, I have a device that allows me to use a welding wire 30, the end of which has been made red-hot, to burn a hole vertically in the vertically placed Styrofoam block. I pull the heating wire through this hole and cut out the cavity. Cut the depth of the profile to 245 mm. Grind the profile nose.

Glue and sand the end strip. Cut, glue and sand the edge sheets. Drill holes for control lines on the inner surface (left surface). Brass tubes or plastic tubes - glue in 2-3 mm Bowden cable sleeve.

The spar: Glue pine strips with balsa strips and sand them. Glue on 1.5 mm plywood reinforcement and sand it.

Vertical tail: cut out separate parts, just pay attention to the instructions, glue and sand..."

Update 21/3/2024: Replaced this plan with a clearer version (now fullsize at 300 dpi), thanks to Wilfried.

Quote: "Thank you for putting the Asterix plan online. There are two versions of the Asterix plan: the original version, as published on outerzone and the recent version, see attached. Could you put the recent version on outerzone too? Glück ab – gut Land!"

Supplementary file notes

Article 1.
Article 2.
Previous scan version.

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Asterix 20 (oz15180) by Franz Wenczel 1982 - model pic

Datafile:
  • (oz15180)
    Asterix 20
    by Franz Wenczel
    1982 
    41in span
    IC C/L
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 12/03/2024
    Filesize: 171KB
    Format: • PDFbitmap
    Credit*: Wilfried
    Downloads: 220

Asterix 20 (oz15180) by Franz Wenczel 1982 - pic 003.jpg
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Asterix 20 (oz15180) by Franz Wenczel 1982 - pic 004.jpg
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Asterix 20 (oz15180) by Franz Wenczel 1982 - pic 005.jpg
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Asterix 20 (oz15180) by Franz Wenczel 1982 - pic 006.jpg
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Asterix 20 (oz15180) by Franz Wenczel 1982 - pic 007.jpg
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Asterix 20 (oz15180) by Franz Wenczel 1982 - pic 008.jpg
008.jpg
Asterix 20 (oz15180) by Franz Wenczel 1982 - pic 009.jpg
009.jpg

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Download File(s):
  • Asterix 20 (oz15180)
  • Plan File Filesize: 171KB Filename: Asterix_oz15180_.pdf
  • Supplement Filesize: 2015KB Filename: Asterix_oz15180_article_1.pdf
  • Supplement Filesize: 3026KB Filename: Asterix_oz15180_article_2.pdf
  • Supplement Filesize: 140KB Filename: Asterix_oz15180_previous.pdf
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Notes

* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.

Scaling

This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.

 

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