Radio Controlled Soaring Digest January 1996 Issue
Issue Contents:
International Hand Launch Glider Festival 95 is reviewed. Ten rounds of varied tasks over two days. Joe Wurts wins.
TULSOAR contest review The Tulsa RC Soaring Club sponsored this 2 day event. 2M Unl Sportsman. 12 Rounds were flown.
Great Lakes Soaring League 1995 Fall R/c Soaring Festival Results Event is for 2M and HLG models. 4 best flights in 2 hours prior to lunch six rounds of Man on Man short start competition for 1.5M ship. HLG contest had 4 10 minute rounds with 2 min maxes.
EH 0/9.0 airfoil by John Yost is a good choice for vertical fins and stabs Dont thin to less than 7%. Program for computing reflexed camber lines.
A 2M ship is made from wing and fuselage from different sources. Tekoa wings cost $1/inch. Instructions given to use Levoe Design fuselage.
Stress concentration is defined and ways to avoid failures related to this phenomenon is discussed. spars joints sheer webs testing
Flight w/o Figuring Pt 6 Topics covered include: Camber Balance Pitching Moment Center of Gravity Center of Pressure Diving and Airspeed Effects.
Optimizing model design must include selection of airfoil aspect ratio wing loading and strength. David Frasers Sailplane Design software used.
Large scale models offer a unique experience and can be enjoyed on small fields with electric power. Advantaged and disadvantages are discussed. details of installation and weight gain are included giving user a good picture of what to expect including costs.
The details of a proper zoom launch are defined along with a touch of humor by the Winch Doctor
The wisdom of using a training chord for new pilots is explained. The steps for setting up a chord is included.
Modeling clubs of Memphis has a Model Expo to promote wide range of model aviation in a city park. The history and status of Coffee Airfoilers of Tullahoma TN is described. Prominent include Chuck Anderson Lee Webster Ben Cleveland
Spyder Foam is a bit more dense than blue foam. Cuts easily. The design of the Prism is discussed along with its mode of failure in a test.
Aerospace Composite Products Auto Vac Vacuum unit is reviewed. The unit is perfectly sized reliable and maintenance free.
Photos of Joe Newlands F9F RnR Products SB/XC group of sailplaners.
Gene Zikas “RC Soaring… A Laughing Matter” is reviewed. Gene Zika is a degreed musician and has a masters in Computer in Education.
Photos from various events and places: Monarch Spalinger 18 ASW 23 HLG contest 7-9-95
Steve Hinderks of The Birdworks shows off his 165″ wing area is shown on cover. The design is not very stable but looks like the real thing.
Photograph of very large (1:2.5) Mueller LS-4 model of Long Island Skyhawks Club. Model owned by Bob Smith.
Radio Controlled Soaring Digest January 1996 Issue