Wilga (oz14534)

 

Wilga (oz14534) by Jaroslav Fara 1967 - plan thumbnail

About this Plan

PZL 104 Wilga. Free flight scale model, for 1cc diesel engine.

Quote (google-translated from the Czech): "Wilga. Construction by Jaroslav Fara. Free flight model for 1-1.5 cc engine.

This is a semi-scale model of the Polish multi-purpose aircraft PZL 104 'Wilga 2' at the scale of 1/10. It differs somewhat from the real S6 ambulance aircraft. The adjustments necessary for safe free flight are mainly made (eg enlarged elevator and upswept wings, simplified undercarriage) and also for easier construction (eg the cross-section of the fuselage is square instead of rounded, wing profiles and elevators with a straight underside).

The entire model is collapsible for easier storage, transport and less susceptible to impact damage.

In the new and described version, the model is almost entirely made of domestic materials. Balsa is used as little as possible, but even then we can replace it with another material, eg Polystryrene foam, plywood, veneer. On the contrary, whoever has enough balsa 2 mm, it can be advantageously used for ribs, fillings, partial coating, etc.

In addition to the author, Alois Kulaz Alistrovic built and tested the model in the described design at Karviná (now as R/C) and other modelers in various places.

WE BUILD MODEL PARTS on a rigid and flat worktop into which we can stick pins. We work directly on the plan, over which we lay transparent paper so as not to destroy it. We use acetone for joining slats, plywood, balsa and for gluing celluloid, glue (the best quality is Kanagom) for coating with white adhesive office paste or other clear or white paper glue. Polystyrene foam must not come into contact with acetone, we glue it with Epoxy 1200, casein or joiner's bone glue.

Hull: We redraw all partitions on plywood, cut them out carefully and clean them. We fix the bottom middle bar on the worktop. Thread both side rails (max. hull width) into partitions 1, 2, 3 and place them on the rail that we will place in front. We gradually insert partitions 4 to 12, which we secure in the correct position and inclination with the help of pins.

We continuously insert additional side slats, slats forming the landing surface for the wing and partitions 6b and 6d. (We first bend all the slats in the sharper areas over a non-soaking flame - moistened - into the required shapes. We mark the position of the partitions, Nos.1 to 6 on them with a pencil, so that we can precisely follow the shape of the hull.)

We thread the engine beams 13, the bulkhead 3a, the engine hood slats and the cabin (except for the V-shaped pair) with a bamboo collier, which we tie with a thread. We clean the slats forming the bed of the elevator, insert the finished rudder into the cutouts in the bulkheads and secure it with short slats between bulkheads 10 and 11.

We remove the only fully dried skeleton from the boards and finish the whole hull: we finish the two lower slats, bamboo pins and plywood, sew the spur and glue the mask of the engine cover 14 and the end of the hull 15. We cover the front part of the hull (outside the field under the engine) and the rear top with a hammer quarter and glue the front.

We connect the well-dried halves of the wings together: we fasten them in the place of the first rib A and we place the ends in the necessary support. We will glue the modified lower and auxiliary beam and the drain rail. I slide in the ribs B, the upper beam and the back wall of the slot D. We glue the lead strip, the front wall of the slot E, which we secure with pins or pieces of strips of the required width, and the front part of the ribs Bl. We glue the corner reinforcements and glue the R tapes over the joints of the beams. Cover the middle part from above and the leading part in front of the slot with a hammer quarter (or glue the rib area A-B with 2 mm thick balsa). We glue part of the back of the torso to the back part.

The elevator is similar in construction to the wing (without edge arches) and we build it in the same way. We glue the middle field with thick plywood 1 mm or balsa thick 2 mm..."

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Wilga (oz14534) by Jaroslav Fara 1967 - model pic

Datafile:
  • (oz14534)
    Wilga
    by Jaroslav Fara
    from Modelar
    February 1967 
    43in span
    Scale IC F/F Cabin Civil
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 23/04/2023
    Filesize: 247KB
    Format: • PDFbitmap
    Credit*: SergeyProtasaw, hlsat
    Downloads: 760

ScaleType:
  • PZL-104_Wilga | help
    see Wikipedia | search Outerzone
    ------------
    Test link:
    search RCLibrary 3views (opens in new window)


    ScaleType: This (oz14534) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

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    ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/PZL-104_Wilga
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* Credit field

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Scaling

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