Radio Controlled Soaring Digest May 1998 Issue
Issue Contents:
VisualFoil and WingSections programs allow one to evaluate airfoils.Access to thousands of airfoil performance polars. Airfoil plottingFiles can be exported in DXF format for printing and drafting
EPP P-51 power slope soaring PSS models are 65.5″ wing span 70-74 ozwill fly in 10 mph wind. 714-368-9222
Can-winch is a 1/4″ dia rubber based highstart which comes in a pail vs a real. Cost is $45
Comparisons of various mathematical indices for stability. Lifting stabs. canards center of pressure pitching moment RVC TVC static margin ISFVarious popular models are compared. Hi Johnson design philosophy. Sailplane software.
Great Hobby Shop is Hobbies N Stuff in Albuquerque. Lavoe Varmit with Speed 400 and Astro Flight Mini-challenger are briefly discussed.
Interest and participation in scale events is growing and is very popular in Europe. Germans use aerotow in competition. Scale in XC events.Slope racing also is an opportunity for scale ships. The tail slide is described as an aerobatic maneuver.
A review of thermal soaring up to 1977. Launch methods winch model development LSF SOAR ECSS SAC NSS. Good article!
Taking models to flying events often means that the parts have to come apart. The design of joiners for custom models is discussed.
BOB is a 60″ competition ready blue foam HLG. The model is light andhas reinforcement at key places. Flight wt is 9.5 to 10.5 oz.
Scale Pterosaurs built by Prof. Adam Lockett is shown and discussed. Special control requirements discussed. Kit is available from England.
Comments on Hans-jurgen Unverferth CO8. Wing uses RS004A airfoil the coordinates of which are given. Notes on EH Airfoils and PROFILEplus
Lessons from Geese is reprinted from earlier article and work which points out lessons to be learned from geese. Good reading!
Details on how to cover wings with heat shrinkable coverings. Use the recommended temperature ranges and methods. Coverite thermometer used.
Cover shows Steve Dentz Ripo Duo Discus scale model. Model weighs 38 lbs is a 6.75 meter span.
Radio Controlled Soaring Digest May 1998 Issue
