Radio Controlled Soaring Digest June 1987 Issue
Issue Contents:
An all wood blade spoiler is shown in drawing. Looks good & light
Tail boom breaks ended with epoxy
Vacuum forming techniques and equipment are described.
Cal. Slope Designs “S. of Savage” features & flight performance are reviewed. Abrupt stalls are due to tapered wings and flying it too slow.
Cumic II kit is reviewed and changes noted for weight reduction.
“Kastaway” kit by Bridi is reviewed and shown. Good in light wind. Turbulated wing (59″) gives strength. Fuse of 3/32 balsa. Wt=15 Oz
Landing points system which is closer to real world condition w/ full scale Down wind leg
Servo control system for Windsong using Airtronics 7SP radio is shownTwo servo’s needed for Ailerons.
Sources for Building Boards
Bart instructs how to use hair spray on carbon fiber tow for handlingUse wax paper under tow to aid relocation to surface requiring fibers.
Good information is given on preforming wood and advantage of scarf joints.
Hardened Drill Rod for W Joiners avail. from Blue Ridge Machinery & Tool P.O. Bopx 536
SPLATS (spoilers-flaps) placed between spar and TE give good control.15″ long by 1.25″ wide located on bottom between spar and TE.
“I.S. Garth” Sailplane has heavy fuselage but can be ordered w/o coloring. Good launches require 10+ MPH wind.
F3H to become a recognized event in AMA rule book (Prediction)
Large sailplanes well suited for windy Mid-west conditions. Cumic+
Forward sweep design with BA25 airfoil is shown in 3 view and discussed. Larger spans are planned with flaps and ailerons.
Radio Controlled Soaring Digest June 1987 Issue
