[rcsoaringdigest] The New RC Soaring Digest | February, 2023 | Vol. 38, No. 2

This month's ethereal cover photo features a picture of Chris Williams' new 1/6th-scale Slingsby Kite seemingly flying above the clouds where it's CAVU all the time!

February, 2023 Volume 38, No. 2

We have another great batch of articles for you this month—we encourage you to click any of the stories below to go straight to that article and start reading...

The Launch Zone

In the Air There is reason and purpose to all things. Terence C. Gannon Jan 28 · 6 min read "In that email was the offer of a beautiful, zillion pixel photograph to replace the one for which we couldn't confirm permission - it's kismet! See the result above - it was just taken by Zoe Molloy. Thanks, Zoe, for such a beautiful photo and to Alexis Scott - whose unique ship is pictured..." Letters to the Editor An answer, another question and somebody whose folks definitely raised him right. The New RC Soaring Digest Staff Feb 01 · 4 min read "Mike Goulette provides an insightful answer to a Peter Scott question; a reader in India needs help with his Graupner Mosquito project and a nice acknowledgement on some help rendered by the always-more-than-willing-to-help RCSD readership...." Cool New Stuff New products that will fill you with enthusiasm without emptying your wallet. The New RC Soaring Digest Staff Jan 31 · 6 min read "We have great, brand new products from FlightPoint, Stich and Faden, Lee Valley, Yawman and even something new and useful in The RCSD Shop...." This month's Cover Photo T-Shirt features a picture of Chris Williams' new 1/6th-scale Slingsby Kite seemingly flying above the clouds where it's CAVU all the time! Comes in Red (shown) and five other great colours and is available in a wide variety of sizes. Order yours today.   Sponsored

Features

Building the Rico-SHE LW Part II: Finishing and Flying the Classic from Phoenix Model Products Marc Panton Jan 28 · 11 min read "Last time we finished at the stage of having the the fuselage and wings built and covered with cross weave tape. The 'to-do' list still had a few things to tick off: ailerons, final coverings, radio fit out, centre-of-gravity (CG) / balance and - of course! - maiden flight and fine tuning..." Downsizing the Bergfalke IV Part II: So how did it all pan out? Chris Williams Jan 28 · 4 min read "In flight the model is smooth and predictable, and at low speed is nice and safe, with plenty of warning of the approach of the stall. The brakes, in conjunction with up-lifting ailerons are very effective, allowing for precision slopeside landings when space is tight..." Dream 2700 | A Tailless Tale Part IV: The Sky Awaits! Domenico Bosco Jan 27 · 9 min read "Finally, after a long journey, I was ready for the maiden flight. What a frightening day. I'm not a member at any model airfield right now. More than 30 years ago I was flying in the F3A category, and I was a very active pilot. In the last 20 years, I moved first to paragliding and after that to full-size sailplanes, and my scale model piloting skills went down a lot..." Project ALTius Part I: A simpler approach to high-performance glider development using CAD/CAM. Tiberiu Atudorei Feb 01 · 9 min read "Twenty-to-twenty-five years ago the world of RC gliders was dominated by Mark Drela's designs. If you have been in the hobby for more than ten years, you're likely familiar with airfoil series like the AG25 and AG35 and models like Apogee, Allegro-Lite, Bubble Dancer and Supra..." The Hustler Your opportunity to build a classic design from the golden age of RC sailplanes. Don Edberg Feb 02 · 23 min read "Call it 'retro fever' — designs from 1970s, 1980s and 1990s are amongst the most popular that we publish in the New RC Soaring Digest. We're delighted to be able to present another in that series in a previously unpublished construction article and drawings from RC soaring legend Don Edberg originally written in 2002..." Twist Distributions for Swept Wings Part 1: Why place proportionally more twist in the outboard portion of the wing? Bill Kuhlman Jan 22 · 10 min read "Our intense interest in tailless aircraft now spans twenty years. Over those two decades, we have built a number of 'plank' type wings and several swept wings. There are advantages and disadvantages to both of these planforms. The impetus to begin designing our own swept wing tailless aircraft was the presentation given by Dr. Walter Panknin at the MARCS (Madison Area Radio Control Society) Symposium held in 1989..." Replacing a Wing Servo in a Glass Slipper Wing Tired of hassling with servo frames in ridiculously tight spaces? Rene Wallage Jan 29 · 8 min read "I have an old, beaten up RCRCM E-Typhoon, now in its ninth year of use and abuse. ... the wings are not as stiff as they used to be, and she looks like she'd been through several battles: some won, some lost. But she still flies great; it's like putting on your favourite running shoes to go for a run. Comfortable, familiar, fun. Last flying session I had a bit of a hard arrival..." Tired of that errant drop of epoxy ruining your new cashmere sweater? Is balsa dust your constant companion even when you're finished sanding for the evening? Or do you simply want to look good while working on your latest creation? In that case, you need the 100% organic cotton RCSD Shed Head Shop Apron available in four great colours, one size fits all. Check them out in the RCSD Shop.   Sponsored

Ongoing Series

Science for Model Flyers Part IV: Aerials Peter Scott Jan 26 · 32 min read "When we switch on our transmitters we unleash energy that was identified and studied by some of the cleverest people ever. I will tell you about the most remarkable, but the list could be very much longer. Very. My choices are..." Soaring the Sky Podcast E093: Monkeys, Coconuts, Field Fires and John Denver | An Interview With Don Ingraham Chuck Fulton Jan 30 · 3 min read "Don Ingraham was living in Minneapolis when he was bitten by the soaring bug in 1993 at age 39. Thanks to the tutelage of Bob Wander, by age 40 he had soloed, earned a PPG (private pilot, glider) certificate and purchased a Jantar Standard..." Condor Corner Introduction Scott Manley Jan 28 · 4 min read "Each article's topic will fall into one the larger categories of interest including flight safety, flight training, flight proficiency, advanced skill development ... Condor features, tips and tricks, using the software to promote the sport..." Five Minute Fixup Frequent RCSD Contributor Marc Panton Kicks Off a New, Informal Series Marc Panton Feb 01 · 5 min read "An interesting glider popped up recently on the For Sale boards I frequent: a 4m Simprop Solution XL. I have an old 2.8m Solution that's had a hard life but still goes well on the slope, so the 4m immediately got my attention. More interesting was the SATS system..." Yes, it's the brand new New RCSD Embroidered Beanie. Already stress tested to -25C in a late December cold snap and certainly good enough for a frozen lake in Norway. Available in five great colours. Check them out in the RCSD Shop.   Sponsored

Retrospectives

Stamps That Tell a Story Philatelic tributes to aviation pioneer Octave Chanute. Simine Short Jan 30 · 6 min read "The United States Postal Service issued a set of two international airmail stamps (above, right) to honour Octave Chanute, French born, American civil engineer, inventor, aviation pioneer, and aeronautical historian..." Glider Patents US 4061028 A: Aircraft Total Energy Sensor The New RC Soaring Digest Staff Feb 02 · 21 min read "An inexpensive total energy sensor utilizing the principles of laminar flow separation around a small cylinder having the desired relationship between static and dynamic pressures for use with sensitive rate of climb instruments for maximum utilization of external pressures by aircraft, in general, and sailplanes in particular..."

That's a Wrap!

The Trailing Edge Life according to Jerry Seinfeld. The New RC Soaring Digest Staff Feb 02 · 3 min read "We had to laugh when we went over The Ed's In The Air tome for this month. As if by magic he — finally! — he managed to weave a quote from Jerry Seinfeld into his editorial, or rather a line from the Seinfeld TV series, which is almost the same thing according to him..."

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