Sopwith 1-1/2 Strutter (oz9858)
About this Plan
Sopwith Strutter. Large scale WWI biplane model for .91 four-stroke power, with five function radio.
Quote: "Dale Tattam set out to produce a scale model that was within the scope of the vast majority of modellers - and succeeded with this 79in span model for .91 four-strokes and five-function radio.
The Sopwith 1-1/2 Strutter was so called because of the shape of the centre bracing on the upper mainplane where the cabane gave a 'W' appearance. Power was supplied either by a 110hp Clerget 92 or a 110hp Le Rhone 9' depending on application. The RNAS also used the 1-1/2, calling it the type 9400 whilst the RFC simply called it the 'Strutter'.
Many countries used the 1-1/2, France, Belgium, Russia, Latvia and of course England. Colour schemes ranged from PC10 through clear varnish to the Belgian three-tone design. Some aircraft were converted into single seat bombers and with this in mind, air brakes were fitted for the first time to aid landing and accurate bombing.
Good books to read if you are researching the 1-1/2 are: Sopwith Man and his Aircraft. Aviation News Vol. 7 No. 11 Nov 1978. British Military Aircraft of WWI Vol 4 published by the RAF Museum, London. Scale Drawings from Bob Holman, MAP, England.
Fuselage: Begin by laying out the fuselage plan on your board, then cover with clear plastic film. The lower longerons have to be steamed over a kettle. Then, when pinned in place, make a quick cuppa with the hot water! If the wood is short, don't worry, as the rear has 1/4 in balsa at the tail end for tailplane and skid. When the longeron is in place - also 1/4 x 1/4 spruce - place the balsa and spruce uprights in position.
Make one side, let that dry, then build the second over the first using clear plastic on the joints. Then leave to dry overnight. While this is drying, cut out F1 from two pieces of 1/8 plywood and one of 1/4 in balsa, then white glue all this together to make a sandwich..."
Sopwith Strutter, R/C Model World, February 1991.
Direct submission toOuterzone.
Supplementary file notes
Article, thanks to RFJ.
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(oz9858)
Sopwith 1-1/2 Strutter
by Dale Tattam
from RC Model World
February 1991
79in span
Scale IC R/C Biplane Military
clean :)
all formers complete :)
got article :) -
Submitted: 26/02/2018
Filesize: 862KB
Format: • PDFbitmap
Credit*: Circlip, RFJ
Downloads: 2065
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ScaleType: This (oz9858) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.
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User comments
Hi Steve & Mary, There's a surprising omission on this Strutter plan. I've checked the plan thoroughly (I think!) and also the article, and there is no mention of the undercarriage anywhere. It's not shown on the plan and not mentioned in the article. Perhaps you should add a comment suggesting hand launching! Best regards,Brian - 07/03/2018
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- Sopwith 1-1/2 Strutter (oz9858)
- Plan File Filesize: 862KB Filename: Sopwith_Strutter_79in_oz9858.pdf
- Supplement Filesize: 2997KB Filename: Sopwith_Strutter_79in_oz9858_article.pdf
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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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