Ryan ST (oz510)


Ryan ST (oz510) by Vito M Garofalo 1972 - plan thumbnail

About this Plan

Ryan ST. Rubber scale model. 17 in wingspan, kit by Tern Aero. Kit no. 109.

Update 11/04/2019: Added scanned printwood sheets, thanks to Axel_VPF. Note these are actually taken from the (later) Hi-Flier Kit #108.

Update 17/04/2019: Replaced this plan with a resized copy at correct scale of 17 inch wingspan, thanks to GTHunter. Also added alternate printwood scan, and patterns sheet.

Quote: "Hi, I ran into a problem with your plan of the Ryan ST. When I tried to match my printwood to the plan the plan was undersize. It looks like someone at some time scaled it to print on 11 x 17 paper. I have rescaled the plan to match my printwood and attached a new PDF. I have also attached a pdf of my printwood and also a pattern sheet for the Tail surfaces and the paper patterns so you don't have to cut up the plan. Check things out and use if you agree. Thanks for this great site. Garry"

Supplementary file notes

Printwood (Hi-Flier).
Printwood alternate scan (Tern Aero).
Patterns sheet.


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Ryan ST (oz510) by Vito M Garofalo 1972 - model pic


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    ScaleType: This (oz510) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

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Ryan ST (oz510) by Vito M Garofalo 1972 - pic 004.jpg
Ryan ST (oz510) by Vito M Garofalo 1972 - pic 005.jpg
Ryan ST (oz510) by Vito M Garofalo 1972 - pic 006.jpg

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User comments

I loved the Tern kits, they looked great AND could actually fly. I built every one over the years. I think Tern had a hard time competing against the die-cut kits, but they could use better balsa doing the printwood. I never got a bad piece of wood in a Tern kit.
DaveFritzke - 15/05/2013
I too built the Tern kits as a boy. My favorite had always been the Ryan ST, so when I saw this on Outerzone I had to make another one [see model pics]. My model has been enlarged to 22in wingspan. Thanks Steve for such a great service!!
Dave - 01/07/2015
It seems the previous version was wrongly scaled at 16 inch wingspan. The old Tern Aero catalog certainly lists this plan as 17 inch - see Mary's page at https://rclibrary.co.uk/title_details.asp?ID=1175 and as confirmation this new version now matches the printwood (scanned with ruler as a reference). Many thanks to Garry.
SteveWMD - 17/04/2019
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Download File(s):
  • Ryan ST (oz510)
  • Plan File Filesize: 833KB Filename: Ryan_ST_oz510_.pdf
  • Supplement Filesize: 254KB Filename: Ryan_ST_oz510_patterns.pdf
  • Supplement Filesize: 149KB Filename: Ryan_ST_oz510_printwood.pdf
  • Supplement Filesize: 719KB Filename: Ryan_ST_oz510_printwood_alt.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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