Sopwith Triplane. Semi-profile control line model. Wing area 303 sq in, for .29 or .35 power.
Quote: "Neither Scale nor Sport Scale, this little triplane could best be described as 'entertainment scale.' Strictly for fun. An easy-to-build crowd pleaser for Sunday afternoon fun. By Hal Redner.
If imitation is the sincerest form of flattery, then the designers and craftsmen at Sopwith-on-the-Thames wore their smiles proudly when the German Air Ministry called in its airframe manufacturers to examine and essentially copy a captured Sopwith Triplane. Making its initial appearance at the front in January 1917, the Sopwith preceded the Fokker Tripe by eight months and had an operational life of eleven months, as did the Fokker Triplane. The two warriors overlapped their combat careers for five months, and the thought occurs - did a Royal Naval Air Force Tripe ever dogfight with an Imperial German Air Force Dreidecker? And what of the outcome?
An easier question to answer is, 'When have you ever seen a Sopwith Tripe in control line circles?' Never! Well, let's correct that right now. And let's correct in a fashion that will entertain the public. This semi-profile tripe flies extremely well; inverted, soft figure eights, lots of inside loops and - cheating slightly - outside loops. All this in an eye-catching three-decker with round red, white and blue insignia. Get two buddies and recreate the 'Black Flight' of the Royal Navy!
A brief pep talk before you younger men groan at the idea of cutting enough ribs for three wings and then getting three wings lined up correctly. No cutting of ribs at all! Three wings with only two spars each equals any biplane with three spars in each wing. And the Sopwith is a superior multi-wing choice because of the straight fuselage line that facilitates lining up two wings, stabilizer, and engine thrust line. That leaves one wing to be giventhe same angle of incidence as the others - and isn't that what you would have to do in the case of a biplane? Courage chaps..."
Sopwith Triplane, MAN, June 1980.
Direct submission to Outerzone.
Article pages, thanks to RFJ.
Did we get something wrong with this plan? That happens sometimes. Help us make a correction
* 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.
© Outerzone, 2011-2018.
All content is free to download for personal use.
For non-personal use and/or publication: plans, photos, excerpts, links etc may be used, provided that full and clear credit is given to Outerzone with appropriate and specific direction to the original content i.e. a direct hyperlink back to the Outerzone source page.
Unauthorized use and/or duplication of this material without express and written permission from this site's owner is strictly prohibited. If we discover that content is being stolen, we will consider filing a formal DMCA notice.