Radio Controlled Soaring Digest January 1998 Issue
Issue Contents:
The Kodak DC20 digital camera was mounted to a model. A interface board was made to control the camera and keep it from turning off.
Don gets the help of the Portland Area Soaring Society and thier XC teams to complete the course for the LSF 10K goal and return flight.
Wind Tunnel Testing Part VIII deals with velocity distribution transition of flow types separation bubbles bubble ramp.
William Hoelcher of Western Ohio set an AMA Class A (HLG) record of 2:08:39 Team effort by Columbus Area Sailplane Club using a highly modified model.
A description is given of how to make a rigging to launch a scale modelon a winch to control the angle of attack.
Instructions to laminate HLG wings by Chris Boultinghouse of CAB Designs. Put FG or Kevlar on LE Use .014″ Mylar cloth weights waxing Mylarvacuum levels to use. Painting Mylars for paint transfer reinforcing certain areas.
A new (750 mm) Mosquito Class of sailplane competition has been started in Japan. 13 entries in first contest. New rules for shorter flights.Information about weight requirements photos lithium batteries. Airfoil selections included SD7037 S4083 SA7036.
Keeping trailing edges straight with rib construction is a challenge. Properly oriented 1/64″ plywood laminated to under side of balsa TE does the trick.
Scale Electric makes sense since winch launches are low and aerotowing is not an option in most places. Getting a model which is light enough isa problem. Kevlar fuselage obechi sheeted foam wings permitted construction to be equal to batteries motor and prop. Excellent article!
Report on the First French Aerotow Event in Normandy. Excellent photos punctuate the report about the event. Aerobatics require right amount ofairspeed. Airspeed vs upwind and downwind is discussed. Perception is that downwind turns cause crashes. Discussion about relative speed.
Comparisons between nature and mans flying inventions reveals that we are still trying to catch up. The function of birds tail is more than a stab.
Bill tells us how he developed his life long interest in soaring when he discovered he could fly a glider above his head without an engine.
An excellent list w/ photos of new models which are available for slope soaring and combat. Also some EPP scale models. Boomerang NemesisVulcan F7U-3 Cutlass Me P.1111 &2 BAE Hawk Yak-9 F4U Corsair F-21 Predator AVRO Vulcan Mig-3. Also night flying lights.
The RCSD database is described as well as how to get it and how to use it. The address for the database: www.halcon.com/bsquared/rCSD.html
Building from Plans is saves costs and provides ability to own models which are not available in kits. Jerry modifies the Paragon to be stronger.There is a description of how to make ribs in a stack both for tapered and non-tapered sections.
Yves Berkhardt is shown on cover doing inverted flight in aerobatic contest in Switzerland. Very remarkable photograph.
Radio Controlled Soaring Digest January 1998 Issue
