So-Long (oz5358)

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So-Long (oz5358) by Bill Englehardt 1941 - plan thumbnail

About this Plan

So-Long. Free flight gas model. The Class B Open winner at the 1940 Nationals. Classic design.

Original article and drawings from Air Trails, Jan 1941.

Note this is not a full size plan, this is a scan of the original magazine pages as printed in 1941, so it includes layout drawings that will need to be scaled up along with some full-size template drawings.

Direct submission to Outerzone.

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So-Long (oz5358) by Bill Englehardt 1941 - model pic

Datafile:
  • (oz5358)
    So-Long 
    by Bill Englehardt
    from Air Trails
    January 1941 
    50in span
    IC F/F Cabin
    clean :)
    all formers complete :)
  • Submitted: 24/02/2014
    Filesize: 848KB
    Format: • PDFbitmap
    Credit*: BillW
    Downloads: 2362

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User comments

The 50 inch So-Long is, by far, the most common model of that name. However, there was a 54 inch version that was also flown in 1940. For years, it was assumed that it was either a scaled up 50 inch So-Long or a 50 inch So-Long with an extended wing. When the original was discovered, and plans were drawn up from the model, it was discovered that it was neither and it had some subtle differences from the 50" model in all aspects. The plan can be found here: https://plans.modelaircraft.org/product/b-c-so-long/
Tom - 20/10/2021
Seems the difference between 50" and 54" is an extra 2" rib space in each wing panel. I would think 54" would work better with a .29 whether Forster, O&R or Torpedo.
Douglas Babb - 26/12/2024
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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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