Rollin Foam. Radio control sport biplane model for single channel. Wingspan 17-1/2 inches. Wing area 194 sq in. Uses the Ace constant chord foam wing.
Quote: "The Rollin'-Foam was designed around the Ace constant chord foam wing, one half of the panel for the upper wing and the other half for the lower wing. This measures up to a 171/2in span, .049 powered type of exciting rudder-only fun. Rollin'-Foam shapes up to flyability with no compromise, with simple but strong construction which has been proven in two years of flying with the original prototype. With all of its wild acrobatic flying, doing maneuvers I haven't yet named, it has only the usual minor dings and dents. One of its best accomplishments is a full roll on top of a loop.
Rollin'-Foam has lived up to its name and design parameters time and time again, and rudder-only has never been so much fun! She climbs out quickly between shennanigans, ready for the next flip of the rudder, and a show-off it is! The glide back home after the engine quits is somewhat like a pigeon with a cardiac arrest - fast but predictable - a Grand Esprit it ain't!
So, with a Cox Golden Bee or Black. Widow Engine, 6 or 7 bucks worth of wood and miscellaneous pieces, the dependable Ace Pulse Radio as always, R/C flying with only a flapping rudder makes for hours of fun and pleasure. Join us and have a ball... "
Plan re-worked from JHatton article scan at http://pulling-gz.blogspot.co.uk/2015/02/rcm-rollin-foam-article-and-plan.html
Direct submission to Outerzone.
Article thanks to hlsat, JHatton.
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