Spirit of Saint Louis (oz7005)


Spirit of Saint Louis (oz7005) from Royal Marutaka - plan thumbnail

About this Plan

Spirit of Saint Louis. Scale model for radio control.

Quote: "Multi-channel R/C model for engines of .45 to .60 cu in suitable for installation of 8-10 channel reed or 4-6 channel proportional R/C equipment. Span 80in, area 960 sq in, weight with equipment 6-8 lbs. Scale 2in : 1.15ft

Special features of the Spirit of St Louis are: simple, rapid but very robust construction and excellent stability, which makes the model not at all demanding with regards to flying skill. It is an excellent choice for the first scale project, but it also offers an exciting challenge to the more experienced R/C flier. Ample cabin volume for the installation of tank and R/C equipment is another noteworthy feature.

Note: Be sure to make good use of the plan, the exploded views, and the numbering system of all parts..."

Direct submission to Outerzone.

Update 16/10/2017: Added complete printwood parts sheets redrawn from scratch, thanks to LarryPhilip.

Quote: "Hello, Recently I purchased a used kit of the Royal Spirit of St. Louis from an online auction site. The kit was missing the instructions, which I was able to download from your site, saving me many headaches during construction. In return I thought it would be nice to send you the (2) two attached PDF files containing all of the print wood and parts for said kit. This way people downloading the plans and instructions can also get the parts and scratch build this beauty with ease. These files were generated from AutoCAD software and are to scale when printed on 24 x 36 inch paper... Please post these PDF files as supplements to this file and make other lives easier as you made mine. Thank you, Larry"

Supplementary file notes

Kit instructions. Text only. 13 pages, complete.
Printwood parts, in 2 sheets.


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Spirit of Saint Louis (oz7005) from Royal Marutaka - model pic

  • (oz7005)
    Spirit of Saint Louis
    from Royal Marutaka
    80in span
    Scale IC R/C Civil
    all formers complete :)
  • Submitted: 06/09/2015
    Filesize: 1341KB
    Format: • PDFbitmap
    Credit*: i-fly-any-and, LarryPhilip

Spirit of Saint Louis (oz7005) from Royal Marutaka - pic 003.jpg

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User comments

My Royal Spirit of Saint Louis which hangs in my office [more pics 003]. I built this airplane in the mid-1980s powered with an O.S. FS .70 four stroke and Kraft radio. Definitely not a beginner's airplane. I found it not an easy airplane to fly, being somewhat unstable just like its full scale counterpart. Interesting airplane in any case.
TerryConley - 12/09/2019
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Download File(s):
  • Spirit of Saint Louis (oz7005)
  • Plan File Filesize: 1341KB Filename: Spirit_of_St_Louis_80in_oz7005.pdf
  • Supplement Filesize: 350KB Filename: Spirit_of_St_Louis_80in_oz7005_instructions.pdf
  • Supplement Filesize: 124KB Filename: Spirit_of_St_Louis_80in_oz7005_parts_1.pdf
  • Supplement Filesize: 99KB Filename: Spirit_of_St_Louis_80in_oz7005_parts_2.pdf
  • help with downloads


* 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.


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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