Radio Controlled Soaring Digest February 1993 Issue
Issue Contents:
Results of world postal 2M soaring contest are posted with most of the winners coming from Denmark. Not a good showing for the USA.
N. Am. Scale Soaring Soc. is proposing contest formats which would supporta more active format for soaring scale models.
Anabat VI can be built in 4 hours and is inexpensive and fun. Rules for aerobatic competition reviewed.
Differences in ability to perform in circling flight attributed to aspectratio of wings. His conclusion is based on models he has built and flown.
66 inch Sparrow is pre-built with SD-8000 airfoil
Climmax HLG was designed to win AMA events although it will do slope soaring. SD-7037 airfoil
Cobalt 90 now available has a 2 in. diameter and is 3.5 in. long.Takes 32 to 36 cells and can fly a quarter scale model.
Custom wings are available at low prices from RA Cores
Libelle fuselage and canopy is now available from Viking Models. Jerry is back in production.
Building boards made to last years are flat and designed to stay that way. Sure grip pins have large heads for good installation and removal.
Why are RC Sailplanes So Addicting? Challenging
Dave Hill’s new 2M kit has moulded fuselage and E387 obechi skin wing @$200. Surprise III
The Soartech series is described and prices given for back issues. Thisis a source of articles on technical topics. Also source of D.Fraser prod.
Steps: Remove release agents
Servo in wing instructions use router and 1/32 ply floor + RTV. Knucklehinges from Fourmost work well. New slope site in Hood River Oregon listed.
Mike comments on the life of Tony Palethorpe
CompuFoil program by Eric Sanders provides template profiles for hot wire cutting of polystyrene foam. Many features make this a valuable program.
Box for wing joiner blades is described. From Alan Halleck. A slot routed in a plywood matrix. 1/16 inch blue spring steel is used. Source given.
Dynamic soaring is described in math for bird. Described by Rayleigh in 1883 when albatross could move upwind over sea without flapping wings.
Reichmann’s text suggests that wind sheer as low as .03 m/sec/m isgood for FS glider. Suggestions for experiments w/ models are made.
Mold Making pt2: Application of Frekote 1711 release
(Cont.) Make keys
Radio Controlled Soaring Digest February 1993 Issue
