Radio Controlled Soaring Digest October 1990 Issue
Issue Contents:
A Picture Postcard History of U.S. Aviation by J. Lengenfelder @$12.95 Collection of p.cards. Almar Press
Illustrated Ency. of Gen. Aviation good source for information about F.S. size
Old Buzzard’s Soaring Book by Dave Thornburg is recommended as good and informative reading. Pony X Press
Komet kit by Am. Sailplane Design @$70 is a durable good flying model. Balsa sheeted wing and f/g fuselage construction.
Vinylwrite has new stencil product which is paint resistant. .5 – 5.25″ Proofs available. Complete instructions for use are included.
Jack Chambers AF designer and professional model builder discussedJC Airfoils shown and information about getting in touch with him.
Description of Tempest kits & ARF models are shown. Costs $227-$488.Scott is an expert in the use of composites and part of Rutan’s company.
Features of a good scale powered slope model are listed. Construction tips. Loading target 16 Oz/ft^2
Description & rules given of F3J contest with comments about experience. Launching of heavy sailplanes does not require olympic effort.
Advantages to hand towing are listed with information about modifications to existing equipment for the task. Good article on the subject.
Aluminum litho plates used to make wing spars with 2 L shapes.Only one L shape spar was needed in tip panels. F3b launches were possible
Understanding Thermal Soaring Sailplanes
Pushrod design is shown for use with long fuselages. Good temp. stability 1/8″ wood dowel runs through nylon outer guides and uses aluminum joiners.
Open Soarer by Richard Yates has 141″ Span
Proj. Penumbra at proof of concept stage is looking good for speed
Composite belcrank made from pattern and mold is described and illustrated. Jerry uses molding board with two part liquid rubber molding material.
RCSD announces that with this issue there will be more pages in RCSD.List of sailplane enthusiasts in your area available from RCSD.
Radio Controlled Soaring Digest October 1990 Issue
