Widget. A very aerobatic flying wing for OS 20 or 26 FS.
Quote: "Like lots of my models this one started off as a thumbnail sketch on the back of a bit of paper in a meeting that was supposed to be of interest to me. I noticed that the other side of the paper said: 'What does being healthy mean to you? Flying model planes, obviously! Funnily enough this wasn't one of the options, I wonder why not?
As originally designed I didn't have any particular motor in mind but in July 1997 I had a particular need to run-in a couple of 0.S. 20 FS motors before I built a twin for them. I thought that I would need something light, with a reasonable glide, (previous experience seems to show that these little four-strokes like lots of running before they become 100% reliable) using a minimum of material and preferably with a built-up wing. Aha! Cue the high wing vintage job I hear you say. Nahh! Far too boring, Widget does all that and a lot more besides. OK so it isn't going to chuff around all day on a whiff of throttle and thermal all afternoon, but I only wanted a model that is not going to drop like a stone when the motor stops and Widget glides well enough to dispel that worry.
Construction starts with the wing. Not surprising really with a flying wing design! This is built up using a technique from my control line combat days of the early 1970's so I suppose it's almost a vintage design after all. Using thin ply, start by cutting out a template for the wing ribs. I made mine to suit rib 1 and then simply shortened the parallel section to suit the other ribs. If you don't fancy that you could always mark out the ribs individually. The resulting section is of curious aerodynamic design but it wastes very little material and has always worked for me in the air as well as being light and impact resistant.
Follow this by cutting out the strips for the leading edge, trailing edge, tips ans ailerons, all from 1/4in light sheet. Start the building by gluing the trailing edge scarrf joint together... "
Widget, RCM&E, Volume 41, Issue 3.
Direct submission to Outerzone.
Article pages, thanks to RFJ.
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