RCSoaring Digest (niet alleen zweven)

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1:2.25 Musger Mg 19a


The August 2013 issue of RC Soaring Digest is now available for downloading from the RCSD web www.rcsoaringdigest.com
This issue has 72 pages and is 13.4 MB in size. You can download this issue directly from
www.rcsoaringdigest.<wbr>com/pdfs/RCSD-2013/RCSD-2013-<wbr>08.pdf
High quality version
www.rcsoaringdigest.<wbr>com/pdfs/Originals/RCSD-2013-0<wbr>8Orig.pdf (34MB)


Highlights

  • Musger Mg 19a "Steinadler"
    Jeremy Hartmann builds and flies the 1:2.25 scale model from a Schneider-Modell kit.
  • Black Eagle PSS Festival 2013
    Featuring some spectacular models.
  • Seattle Area Soaring Society HLG Clinic
    Workshop for F3K enthusiasts and casual flyers
  • Tom's Tips
    Tom Broeski shows how to wire a transmitter external battery pack
  • New Lithium Battery Technologies
    Printing of very small batteries and lithium iron phosphate replaces lithium cobalt oxide.
  • Kerry Glide-In 2013
    Multi-day event, flying from a number of beautiful Irish slopes.
  • 36th League of Silent Flight Tournament
    Jerilderie, New South Wales Australia.




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November


This issue has 52 pages and is 8.0 MB in size:
www.rcsoaringdigest.<wbr>com/pdfs/RCSD-2013/RCSD-2013-<wbr>11.pdf
High quality version, 21.0 MB:
www.rcsoaringdigest.<wbr>com/pdfs/Originals/RCSD-2013-11Orig.pdf


December
This issue has 50 pages and is 8.6 MB in size:
www.rcsoaringdigest.<wbr>com/pdfs/RCSD-2013/RCSD-2013-12.pdf
High quality versionof this issue (22.8 MB):
/www.rcsoaringdigest.
com/pdfs/Originals/RCSD-2013-12Orig.pdf <wbr>

  • Syron F3F
    Simon Nelson describes the design, building and flying of his glass and carbon slope racer. The wing spar structure and the integration of the ballast tubes into the wing root are especially noteworthy.
  • Designer Vortices
    Philip Randolph expands on a work of Ilan Kroo and hints at ways to control the strength, character, and location of trailing vortices toreduce drag and as an aid to the design process.
  • Fall 2013 Cumberland Soar-for-Fun
    Held at Old Knobbly Hill on November 9th and 10th, this event drew extremely well detailed large scale sailplanes and even a few slope ships. Coverage by Pete Carr.
  • Albatross
    An open structure e-power swept wing with that "old timer" look. As haft drive MPi 2800Kv motor and 7x4 pusher prop give it an astounding rate of climb on a 3-cell battery pack. By Al Robinson.
  • Center of Gravity Adjuster
    Preview of an I can't do without this accessory to be available April 1 of 2014. By Louis Cimon.
  • A Collapsible Multi-Stand
    Tom Broeski provides the materials list and patterns necessary to buildan on-the-field rack for holding your conventional or V-tail models off the ground and away from stomping feet.


All issues of RC Soaring Digest, going back to the first, published January 1984, are always available at no charge from the Archives page on the RCSD web site
http://www.rcsoaringdigest.<wbr>com/pdfs/
Highly compressed versions of more recent vintage (March 2005 to the current issue) are available through the RCSoaringDigest Yahoo! Group from within the Files section. As above, you must be a member of the RCSoaringDigest Yahoo! Group to download these compressed PDFs.


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JANUARI

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FRONT COVER:
Sailplanes waiting in line to be towed at the aerotow event in Vipava, western Slovenia. "Aerotowing in Slovenia" starting on page 4.


www.rcsoaringdigest.com

Highlights
  • Grunau Baby IIb in 1:4 scale
    Alessandro Villa documents his build of the Krick Modellbau kit.
  • Aerotowing in Slovenia
    Uros Sostaric describes the history and current state of aerotowing.
  • Walk-around — Grunau Baby IIb N20GB
    Leland and Lee Cowie's glider. By Mark Nankivil
  • Asiago 1924, International Gliding in Italy
    A new book by Vincenzo Pedrielli, published by EQIP.
  • What happens in a stall?
    Comments on the stall simulation series by Leon Dommelen, Ph.D. and with a few additional circles and arrows. By Philip Randolph
  • 2013 PSS Fest, Volksrust
    Piet Rheeders covers this annual South Africa event, this year held on the 30th of November.
  • Home-made Center Finder
    Another tool from Tom Broeski's shop. Making several of different sizes is highly recommended.
  • Gas-powered Sport Winch
    A mini-bike engine is transformed into the power source of an RC sailplane winch. CAD drawings are available for downloading from the RCSD web site. By Gino Alongi

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FEBRUARI

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FRONT COVER:
A High End reaches the peak of its climb on tow.

www.rcsoaringdigest.com


HIGHLIGHTS

  • The two Newton ‘sine squared’ laws
    The first quantitative theory of wing lift, based in Newton's previous theory of comparative ‘resistences’ (drags). By Philip Randolph
  • Repairing a Smooth Genie Pro Fuselage
    Text and photos showing Dion Dunn's latest project from start to finish.
  • Designing for the Three Abilities
    Chuck Anderson discusses his LilAn II design as a reflection of his desire for stability, controllability and visibility. (RCSD April 2008 pp. 35-36)
  • Trim, Slop, Balance
    Launch problems? Handling problems? Gordy Stahl goes through how to make sure the problem is not in the elevator.
  • Home-made Contour Gauge
    Another functional tool from Tom Broeski's shop.
  • A Rotisserie for Gliders
    Originally designed and constructed for handling full size sailplanes, this fixture can be easily modified to fit large scale models and cross-country machines.

15.351
 
Hallo Ron,

Weet jij waar ergens de nummers 2013-09 & 2013-10 van RSCD te vinden zijn ?
Of zijn die niet uitgegeven want op de normale site vind ik ze niet.

Arno
 
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Front cover:
Apis on tow at Livno.


March issue is online
www.rcsoaringdigest.com


Highlights
  • Resurrection
    A crashed sailplane is repaired and updated with modern equipment to become an exceptional flying machine once again.
  • Livno - soaring paradise
    Uros Sostaric takes readers on a tour of this fantastic soaring site in Bosnia and Herzegovina.
  • Linkage 101
    Setting up the connections between the servo and control surface for adequate movement, minimum slop, and maximum power.
  • Tom's Tips
    Long reach (deep throat) clamps. Another functional tool you can make yourself.
  • BullSiGh - Part 1
    Morten Enevoldsen modifies the SiGh for F3J/F3B. Part 1 covers the design, construction, and first flights.
  • KST DS245MG 8mm wing servo
    Bill and Bunny Kuhlman review this small servo for use in DLG/HLG designs and available through Hobby Club.
  • World Record set by GP1 in 1926
    Vincenzo Pedrielli, Italian soaring historian, shares the story along with Francesco Camastra's GP1 3-view.
  • Slingsby T-31B "Tandem Tutor"
    Dennis Barton's ’ship is the focus of this walk-around.
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Front cover
Bowlus BA-100 Baby Albatross
Een MBF bouwdraadje: bowlus-baby-albatross

April issue is online
www.rcsoaringdigest.com


Contents

  • How to ballast in a TD competition. With application to F3J and F5J.
    A technical treatise by Marc Pujol.
  • F3J Future
    Sydney Lenssen explains how electronic devices pose a tricky threat to aeromodelling’s future and the various avenues being explored by FAI.
  • FAI Plenary Meeting Agenda
    To be held in Lausanne, Switzerland, April 11 - 12, 2014. Agenda items related to RC soaring.
  • TOSS Aerobatic Event 2014
    Kevin Farr covers the competition in words and photos.
  • BS-22 "Alzavola" 1:10 Italian Motorglider
    Based on information found in Vincenzo Pedrielli's "Italian Vintage Sailplanes,"
  • Tom's Tips - A Simple CG Marker
    A dowel, a block of wood, and 15 minutes of time is all it takes to make this useful tool.
  • Bowlus BA-100 "Baby Albatross"
    Elia Passerini's three year scale project.
  • Walk-around - Bowlus BA-100 "Baby Albatross"
    Jeff Byard's Serial 134, NX-1266N, photographed by Mark Nankivil.
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Mai issue is online
www.rcsoaringdigest.com




Front cover:
Multiplex K6E, 4.2m wingspan, in front of the Obiou (2,789 m)
at Corps in the French Alps.



CONTENTS
  • APIS, big and small
    The stories behind a modern Slovenian glider and its 1:2.5 scale counterpart. Authors: Rastko Kos, Boštjan Pristavec, Prof. Dr. Rafael Cajhen and Uros Šoštarič
  • Split Scimitar Winglets
    United Airlines and Southwest Airlines retrofit redesigned winglets to their 737s.
  • E-Spoilers Installation
    Chris Evans, NODD RC, shows how to install these nifty devices in a wood wing.
  • Burnham Aerotow
    Beautiful scale sailplanes were on display at Christchurch New Zealand event.
  • First/maiden FlightChuck Anderson examines the goals of the maiden flight and provides methods for gaining knowledge from it.
  • A WWII Glider - in the Buff!
    The beautiful skeleton of a Laister-Kauffman TG-4.
  • 2014 Spring "Soar-for-Fun"
    The latest Cumberland Maryland event.
  • Review: FMS Fox 2.3m PnP
    A Fun, Must-have Scale-looking rendition of the full scale Fox sailplane.

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Front cover:
ASH 31Mi


<hr style="color:#D1D1E1; background-color:#D1D1E1" size="1">June issue is online
www.rcsoaringdigest.com


Highlights

  • Bell-Shaped Versus Elliptical Lift Distribution Wings, Proverse Yaw-Roll Coupling
  • Sixteen Foot Flying Wing for Slope and Aerotow
  • Colin Taylor's Discus 2
  • Jerilderie Scale Aerotow 2014
  • Review: ST-Model DG-1000 RR
  • Las Aguilas Sailplane Club in Caracas, Venezuela
  • CEWAMS Saddle Mountain Slopener
  • Tom’s Tips: Large Scale CG Balancer

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Front cover:
4.5 meter span Discus 2 (Top Models CZ)

July issue is online
www.rcsoaringdigest.com

HIGHLIGHTS

  • After the Crash
    A comprehensive example of what can be done to rebuild crash damage and the information which can be derived from an analysis of the damage.
  • Tom's Tips: Undressing the Blanik
    Techniques involved in removing all of the decals/stickers from the Horizon Hobby E-flite L-13 Blanik 4.2m ARF.
  • RES at the MidSouth 2014
    Planning for and flying an LSF Level 5 event.
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FRONT COVER:
A two meter Lanyu

August issue is online
www.rcsoaringdigest.com


Highlights

  • Pictorial - Assembling the Dynamo
    The construction process of his laser-cut Dynamo DLG.
  • CEWAMS at Table Mountain 2014
    Chris Erikson's Wild Arsed Mountain Slopers travels to Table Mountain, Washington, for the July 4th weekend.
  • Nutt's Z-Ninety
    David Nutt presents a 90 degree alignment fixture of fiberglass and resin which has a number of applications.
  • Tom's Tips: Three Quick Tips
    Tom Broeski demonstrates how he removes epoxied servos, prevents "bench rash" and the loss of small parts, and avoids the confusion inherent in using a gear wrench.
  • International Vintage Glider Meeting commemorating Vittorio Bonomi
    Ten vintage gliders,five from neighboring Switzerland and five from Germany and Italy, participated in this event at Giancarlo Maestri Airport of Alzate Brianza (Como)).

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FRONT COVER:
Spoilers up and coming in, this is Chris Williams' 1:3.5 scale Spalinger S25a.
Free plplan available free from the Scale Soaring UK website along with a
comprehensive build thread. Incredibly realistic pilot from Tailored Pilots.


August issue is online
www.rcsoaringdigest.com

Highlights

  1. Writing an airfoil plotting program
    Chuck Anderson gives the history behind his Airfoil Plot computer application and announces Airfoil Plot 9 is now available as freeware.
  2. Hawk attack!
    Adam Fisher mounted a Mobius camera on his DG808s and captured an exciting interaction between bird and model. Here's a still photo from the video.
  3. Preview - Vortex<sup>2</sup> F3K / DLG / SAL
    The Vortex Team announces the newest version of their contest winning RC-HLG.
  4. Tom's tips: Dressing the Blanik
    In the July 2014 issue, Tom Broeski explained how he removed all of the graphics from his Blanik ARF. This month he shows how he applied his own graphics and outfitted the cockpit.
  5. New super bright LEDs
    Super bright double blink strobe / beacons and landing lights - 8 lights, expandable to 11. www.bluelight-tech.com
  6. GROB-Werke HALE G600
    Still in the concept stage, this is a High-Altitude Long-Endurance aircraft looks to be a good candidate for large scale slope or thermal flying.


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FRONT COVER
Aerotow at the Club Aeromodelismo Aragón, Spain.


Twee kleinere/betere/snellere pdf readers dan de slome Acrobat virusgevoelige bloatware van 500 :shock: onzinnige MBytes groot. Beide readers zijn beschikbaar in o.a. Nederlands en Engels:
wikipedia...Foxit_Reader
wikipedia...Sumatra_PDF (gebruik ik zelf)
Zie ook www.security.nl



October issue is online
www.rcsoaringdigest.com


Highlights

  • Review: FrSky Taranis Plus
    Larry Dunn details this new inexpensive radio system which uses OpenTx software and includes telemetry capabilities.
  • Meeting XII, Club Aeromodelismo Aragón
    A family-oriented aerotow event in Spain.
  • Tom's Tips: Gluing floating control rods
    It's simple and easy with Gorilla Glue White.
  • Slope soaring and horse riding
    Gorazd Pisanec's exciting vacation to Kupres, Boznia and Herzegovina.
  • Black Eagle PSS Festival 2014
    The annual slope soaring event was held in Cape Town, South Africa, this year, put on by the Two Oceans Slope Soarers club.
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FRONT COVER
A V-tail Vampire cruising over South Australia.


January issue is online
www.rcsoaringdigest.com

Highlights
  • F3F World Championship, Denmark 2016
    Complete coverage of the event held October 2 — 9
  • Jiri Lenik - Model aircraft enthusiast in 1: 1 scale
    A story of men and gliders in Raná, the Czech Republic
  • Jim Marske's Pioneer 3
    Experiences flying his new full size tailless design.
  • 50th Annual Cumberland Soar for Fun
    Held November 5-6 2016, text and photos.
  • What is a good fuselage length for F5J?
    Marc Pujol continues his technical series concerning improvement of the overall dynamic behaviour of F5J models.
  • DFS Rhönbussard
    Elia Passerini models the 1932 glider in 1: 4 scale.
  • Review - RTGModel Stribog
    With a 2.86 m wingspan this model is ideally suited to F3F and general slope soaring.
  • Tom's Tips — Wing tip wire holders
    Occlupanids can save the day!
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FRONT COVER
PSS A4 Skyhawk


February issue is online
www.rcsoaringdigest.com

Highlights
  • E-LilAn II
    Chuck Anderson's LilAn is motorized by Charlie Bair.
  • Tom's Tips
    Dremel EZ407SA - Changing sanding bands made easy.
  • Book review
    Programming a Spektrum DX9
    for a Six Servo Sailplane with a Motor - One of the latest offerings from Sherman Knight and Red Sailplane.
  • Researching the IVSM Poster Child: Ross Stevens RS-1 Zanonia
    Vince Cockett relates his experience in documenting this classic sailplane.
  • Jim Marske's Pioneer 4
    An update on the progress being made on the prototype.
  • Modelflight Midway Cup
    Full coverage of the thermal duration event held in Horsham, Victoria, Australia
  • On the ’Wing ... Examining Variables Related to the Control of Tailless Aircraft
    PRANDTL-D and formulating the appropriate wing twist for swept wing tailless models, current research by the KTH Royal Institute of Technology, and an overview of a technical paper concerning the aerodynamic center and moment components for swept wings.
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Front cover:
PSS Sukhoi Su-27 Flanker.


March issue is online
www.rcsoaringdigest.com

Highlights
  • Gordy's Travels - Winter Blues and the "New" (to the USA) F3RES Class
    Investigating F3RES through interviews with experienced aeromodellers and provides data on several of the kits/ARFs available for contest work. Also see "Tips for F3RES Airframes" by Larry Jolly on page 18.
  • NASA/MIT Morphing Wing
    By Beth Stackpole, Digital Engineering.
  • Kinetic Transonic DP
    With a specially designed airfoil, this new DS ’ship looks like another record breaker. By Spencer Lisenby.
  • Three Books by Vittorio Pajno
    • Sailplane Design
    • Light Airplane and Glider Static and Dynamic Stability
    • Sailplane Design Example
  • Airfoil System for Cruising Flight
    Biologically inspired wing flow control uses a flexible extended trailing edge.
    From NASA TechBriefs.
  • On the ’Wing... - The Integrated Minimum Drag Solution
    More about PRANDTL-D from NASA TechBriefs.
  • Tom's Tips - Center between two holes
    Tom Broeski explains the methods.
  • Candidate for the slope - Archangel 1
    One of the initial designs on the road to the A-12 / SR-71.
  • Aer-O-Tec Takeo - A 3.6m sailplane or electric power airframe.
    Reasonable price and comes with its own aluminum travel case!
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