Radio Controlled Soaring Digest September 1997 Issue
Issue Contents:
Requirements for a HLG contest are listed: A field prizes participantsa scoring system and good weather. Info. about details on score cards.Check the following pages: www.bright.net/~djwerks widget.ecn purdue.edu/~aweston/hlgcomp.html
Review of the TPG annual International HL Glider contest which attracted 62 entrants. Different tasks for each of 13 rounds are described.
An analytical explanation of why adding lead to a model reflexing the wing increases the distance that can be covered when flying upwind.
Dale talks about a fuselage/tail platform for evaluation different airfoils Airfoils: SD7080 K-model SD7080/7037 SD7037 SD7032.
Bill re-enters RC flying after a 10 year break. Bill finds hand launch gliders are a great skill builder and reinvigorates interest.
Ed previews Louisville Mid South Soaring Championships for 1998.Nostalgia event on Friday replaces XC event. HL golf on Friday PM.
Mid South Soaring Championships June 19-22 in Huntsville AL are reviewed. Rain hampered XC and HLG events. Chuck Anderson spoke at Banquet.
Mid South Soaring Championships June 19-22 are reviewed. The XC event and HLG event hampered by rain. Chuck Anderson talked on SP design and future.
Wind tunnel testing Pt V. Limitations to wind tunnel measurements and how drag is measured by slowed air velocity caused by the test airfoil.
Programming flaps on the JR radios 374 388 783 8103. Flaps should be the first function programmed. A description of how to set presets crow.
66 of 74 sailplanes in St. Auban Fr contest had winglets. One turned down with rub strip some had Horner winglets one turned up tip. Design ofwinglets was the topic of OSTIV Congress held during the contest. Bug wipers for leading edge. Ballasting. Model flown discussed.
Las Vegas Soaring Club and its flying site are described. The flying site is a drainage basin not expected to flood. Spot landings on carpet
Readers respond to Lees article on the best place to retire by proposing Las Vegas NV and Thousand Oaks CA with supporting information.
Soaring Hall of Fame and National Soaring Museum dedicates a new exhibit. The exhibit details progress in R/c soaring from 1937 to present.
The first flights of a new model should be without mixing. Evaluate the interactions then set up mixing. Fred Rettig excellent Reiher is shown.
A system is defined for organizing a slope soaring combat event. Matrix card format contest matrix board. Max of 12 pilots in 5 heats/round.Hand launch foamy gliders which weigh 16 oz may not performlike an 11 oz model but it is valuable for practice and learning.
B-2 Stealth Bomber – the Spirit is discussed and compared to the YB-49.The Stealth is not that radical of a design and should be stable.
Part III of series about building a 2 channel polyhedral glider deals with fitting wings to fuselage and evaluating it. Wing loading was 9 oz/ft 2
13 tips on how to fly a large scale glider and avoid tip stalls. Tips include CG positive linkages winglets coordinate turns fly faster.
Radio Controlled Soaring Digest September 1997 Issue
