Osprey 100 (oz9821)
About this Plan
Osprey 100. Radio control sailplane model.
Quote: "Howdy, I just rectified, scaled, and cleaned a plan that I know some of sailplane guys would like to have.. hoping you can include in the outerzone collection. The Osprey 100 was apparently designed and kitted in the 1980s and although a kit shows up now and then, I'm told they're long out of production and quite rare.
The original of this plan was sloped, keystoned, off-size, and dirty, but a nicely flat image at 90-some percent scale, so quite workable. Unfortunately it was a 72dpi jpg. I kept the resolution at 72, but it looks good from a distance and is easily good enough to build from printed full size... Thanks for having the archives - it is one of the very best things on the internet! Best Wishes,
Here are the details on the plane:
Wingspan 99 1/2in
Airfoil: modified E-176
Wing Area 799 sq in
Weight 2lb 12oz
Wing loading: 8oz/sq ft
Type: Glider, thermal or slope
Description: The Osprey 100 is a high performance standard class glider developed in the late 1980s from the already well-known 64 inch Osprey (oz6577) by Sailplanes International. Designed for rudder and elevator controls, the plans also include provision for ballast and spoilers.
According to the kit maker's box notes, the plane: is very forgiving and is suitable for thermal soaring, cross country competitions, and general sport flying. Being robust, it will take a fair amount of punishment. And it is this 'designed-in' strength, and suitability for varied tasks, that will make Osprey 100 a great all-time favorite!"
There's also a good page with a kit review of the Osprey 100 available online at: http://www.bartonhewsons.uk/home/modelflying/soarers/osreview.htm dating back to 1988.
Direct submission to Outerzone.
Update 30/04/2018: added kit review from Radio Modeller, August 1992, thanks to RFJ.
Update 02/07/2018: Added a sheet showing rib templates, thanks to SteveBailey.
Quote: "Hi Steve and Mary, I saw the request for outer wing panel ribs for the Osprey 100. I drew these up, and obviously I hope they will work. The plan you have is fairly low resolution, so I did my best. Note I provided both metric and English dimensions for the spare notches."
Update 29/11/2018: Added further review from R/C Model World, July 1989, thanks to RFJ.
Supplementary file notes
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User commentsLooking at Osprey as a potential build. However reviewing the file I find there is no information or details about the wing ribs? Can anyone provide that information? Thanks,
Ron - 30/06/2018
There's a main rib shown on the fuselage side view of course, but that still would leave you drawing out all the smaller ribs for the tapered section, from scratch. Anyone got more on this?
SteveWMD - 30/06/2018
Sorted now, thanks to SteveBailey :)
SteveWMD - 02/07/2018
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- Osprey 100 (oz9821)
- Plan File Filesize: 985KB Filename: Osprey_100_RC_oz9821.pdf
- Supplement Filesize: 2165KB Filename: Osprey_100_RC_oz9821_review_RCMW.pdf
- Supplement Filesize: 1180KB Filename: Osprey_100_RC_oz9821_review_RM.pdf
- Supplement Filesize: 269KB Filename: Osprey_100_RC_oz9821_ribs.pdf
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* 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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