Igo (oz10892)

 

Igo (oz10892) by GWW Harris from Aeromodeller 1945 - plan thumbnail

About this Plan

IGO. Competition sailplane model.

Quote: "The Model Featured on the Cover. A 60 inch competition sailplane, designed by GWW Harris.

Fuselage. Operation 1. Trace the formers on to pieces of 1/16 in. thick birch three:ply wood. Be sure to mark off the major and minor axis of each fomier and its number.

Operation 2. Drill a 1/4 in dia hole in each former at the intersection of the major and minor axes, now develop each hole with a square file until the formers will slide on to the 1/4 by 1/4 balsa boom.

Operation 3. Lay the boom on the drawing and mark off the former stations, then slide the formers on into their respective stations. Cement No.6 in place first and allow to dry, then apply slow drying glue to the nose block and the remaining formers and line them up carefully with No.6, fit the top and bottom stringers, check the alignment, if OK fit stringers A and B. Rubber bands will assist this operation, The job should now be put aside until the glue has set hard.

Operation 4. Fit the tow hooks and front and rear mainplane support struts.

Operation 5. Fit ballast as directed on drawing.

Operation 6. Fit the remaining stringers. Cut the aft ends of the stringers to length and cement the stern block (or should the call it stern post ?) in position; it will be necessary to narrow down some of the stringer extremities in order to find room for them.

Operation 7. Drill a hole in the stern block for the fin spar and complete fin to drawing.

Operation 8. Give the fuselage a good sandpapering all over, make sure there are no projections or sharp edges, then cover with silk. It is possible to cover it with one piece of silk if its well damped, but its easier to do the job with two strips, ie with joints or overlaps on the tap and bottom stringers..."

Igo, Aeromodeller, January 1945,

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.

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Igo (oz10892) by GWW Harris from Aeromodeller 1945 - model pic

Datafile:
  • (oz10892)
    Igo
    by GWW Harris
    from Aeromodeller
    January 1945 
    60in span
    Glider F/F
    all formers complete :)
    got article :)
  • Submitted: 06/02/2019
    Filesize: 838KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ

Igo (oz10892) by GWW Harris from Aeromodeller 1945 - pic 003.jpg
003.jpg

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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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