Radio Controlled Soaring Digest October 1994 Issue
Issue Contents:
Likes and dislikes from reader’s survey is shown.
Starling and Starship models have RG-15 AF
Mako
Starling and Starship are two models with 60″ and 2M spans respectively. Uses high tech composites in fuselage and wings. (707) 253-8029
Mako sailplane has winning record with SD7037 AF
1.5M Sagitta is available in SD7032 or SD3021 AF. Flying wt: 10 to 16oz. Bolt on foam wing sheeted with 1/32 balsa. Fuse is balsa & 1/64 ply.
FX35D speed controller from AI/robotics provides about all the features needed for electric flight. BEC
RCSD will be discontinuing the 3 class mailing of issues. The move will make RCSD more efficient and decrease costs in the long run.
Fred finally finds some success in competition but remembers that it is only a hobby but one with chances to socialize and improve yourself.
Lil’ Scorpion kit is reviewed along with theoretical comparisons of flight performance to several previous popular kits. Several changes in kit.
Wilfried Klinger was a German scale it mfgr of 25 years ago. Dale gives us a report on what remains of his family’s business which still survives.
Theories on why Thermal Snifflers are no longer seen at contests areput forward. Too noisy for purists. Not compatible with silent flight.
Interglide F3J Walsall
Servo current drain estimates are usually too low. John determines the avg. drain to be 70-150 ma depending upon the load and frequency of movement.
Obechi Finishing:220 grit sandpaper; apply light spackling to wood with plastic squeege’ sand again w/ 220; pply color & finish with Varathane.
Sacramento Valley Soaring Society (SVSS) put on a Spring Fling in May. The Contest is reviewed. Teams from other clubs were in attendance.
Copy machines may distort a copy of a printed airfoil. Look out whenmaking templates.
U of IL wind tunnel tests due to start in Oct. Updates to be in Soartech. Winch line sources
The FAA can be helpful in identifying flying restrictions for prospectivefields. Currently they only restrict max height to 400′ within 3 miles.
1st HL Jamboree announced. Exercises for building launching skills is described. Flexibility must be developed to minimize injuries.
Koorawatha Soaring Challenge 1994 – Bororen
Martin Simons has authored book for beginners. Advice on getting started
A grinder is converted to a disc sander. A vacuum cleaner is used to collect the dust which is generated. Vac is powered from switch on sander.
Four basic principles: CG
Colored paper tissue covering attached to sheeting with epoxy is fast
Corn Dogger by Chris Boultinghouse is a obechi sheeted foam wing design. Good Thermal Perf. $80 from CAB Designs
A low tech tow hook made from a nail is described. #16d nail is bent to shape. Make 8-32 treads are made. Hardwood block is drilled and threaded.
Part III in a series dealing with making a plug and mold for fiberglass fuselages. Placing dams around plug…where to place them and how.
Cover photo of Empire Polo Club’s Flight Park in Indio
Radio Controlled Soaring Digest October 1994 Issue
