Bellanca WB-2 Columbia (oz14319)


Bellanca WB-2 Columbia (oz14319) by Harald Dankworth 1989 - plan thumbnail

About this Plan

Bellanca WB-2 Columbia. Radio control scale model.

Quote (google translated from the German): "The Bellanca has very good model proportions, in principle it corresponds to the Piper Super Cub in design. So there was only one Bellanca in the 'FMT-Transatlantik', but an excellently built and flying one. It was the Bellanca that the present blueprint documents and that can then be built. Harald Dankwerth from Algermissen in Lower Saxony constructed the model.

The appearance of the scale documentation about the Bellanca WB-2 in the wake of the tender for the 'FMT Transatlantic' decided my leisure activities over the next few months: A model will be built the competition.

It took almost three months just to create the construction drawings and the calculations. I stuck to the templates as closely as possible, although they were very sparse: the 3-page sketch in the FMT, some photos of not very great significance, color illustration of the aircraft in the book 'Epic of Flight' from the Time Life book series.

The wings in the top view and the rib spacing correspond exactly to the drawing as far as it is within the measurable range. This also applies to the fuselage, on which I had to make compromises, some things (especially the area around the windows) were not clearly visible on the photos and the drawing.

Because I cut out the window frames from 0.5 mm aluminum and fastened them with small screws, they look really 'scale', even if their outlines may not be exactly the same as the prototype.

The labor-intensive, but optically very effective little things also include the expanded cockpit and the two functional cabin doors, which also make it easier to install the remote control. I couldn't replicate the landing gear entirely in metal because I didn't have the necessary machinery, but its design is sufficient for a semi-scale competition.

But the biggest problem was the weight of the model, as I didn't want to buy a new expensive engine, so the Bellanca had to make do with my Super Tigre S75; but because the plane only weighed 6.5 kg in the end, it is well motorized with this engine.

Fuselage assembly instructions: First, all fuselage frames are cut out and the four fuselage straps are prepared according to the drawing. Then a slipway has to be built for the hull. The longitudinal axis of the hull can be taken as the height for the slipway. Now the frames R1 to R5 are fixed on the slipway and the frames R2 to R4 are connected with the belt R19. The next step is to install the 4 torso straps at the top and bottom and the whole thing must dry thoroughly.

You can now start gluing the fuselage skin R17 between frames R3 and R4. Now the belts R12 and R13 are installed, which should sit tight in frame R1. Now attach the fuselage side walls, and after that is done, the fuselage bulkhead RE is installed. Make sure that the end of the fuselage is centered.

The hull can now be removed from the slipway. The lower fuselage strap is soaked (wrapped with cellulose) so that it can be brought into its final position in frame R1. Now the entire bottom of the hull is being built, including the intermediate floors at the same time. R24 is now mounted, but before that two aluminum brackets 30 x 30 and 30 mm wide (3 mm thick) are adjusted..."


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Bellanca WB-2 Columbia (oz14319) by Harald Dankworth 1989 - model pic


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