[rcsoaringdigest] The New RC Soaring Digest | January, 2023 | Vol. 38, No. 1

This month's spectacular cover photo was taken by Greg Perrins and is used here with his kind permission. Greg captured the AeroSPARX Grob G–109B motorglider performing its airborne pyrotechnics display at Western Park Festival in June of 2017.

January, 2023 Volume 38, No. 1

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 Summertime and the livin' is easy. The New RC Soaring Digest Staff Dec 31 · 6 min read "In 1966 the classic surf movie The Endless Summer was released. Despite my parents' best efforts to get around Quebec's draconian prohibitions against kids under 16 attending movies —I was only five at the time..." Letters to the Editor Do we have a treat in store for you this month! The New RC Soaring Digest Staff Dec 31 · 4 min read "We have a great crop of letters this month: Bob Dodgson writes in with an offer you can't possibly refuse; Jurek Markiton shares some wonderful family memories and Steve Kerry is busy with a fascinating new project...." Cool New Stuff Santa skip your house this year? If so, treat yourself to one of these great new products. The New RC Soaring Digest Staff Dec 31 · 5 min read "We have great, brand new products from FlightPoint, Composite RC Gliders and even something new in The RCSD Shop...." This month's Cover Photo T-Shirt features Greg Perrins' image in which he captured the AeroSPARX Grob G–109B motorglider performing its airborne pyrotechnics display at Western Park Festival in June of 2017. Comes in Asphalt (shown) and five other great colours and is available in a wide variety of sizes. Order yours today.   Sponsored

Features

The Road to Ulm This has been one helluva year! Iain Medley-Rose Dec 30 · 24 min read "The story so far? The essence of it boils down to I found GPS Triangle Racing (GPSTR) tried it, liked it and entered the first Sport Class World Championships. They were cancelled because of the pandemic and as soon as the entry for the new event in Erbach, Ulm opened I pestered the organising committee..." Dream 2700 | A Tailless Tale Part III: Lets Build It! Domenico Bosco Dec 27 · 13 min read "Every time you build something you have designed, you get scared! Is it going to be a single prototype? Do I want to build more than one or even a small series? Is it worth to go all-in with molds? And even more tricky: is it really going to fly or will it be a disaster..." Downsizing the Bergfalke IV Part I: What do you mean you don't remember the cabriolet version with winglets? Chris Williams Dec 30 · 4 min read "The Bergfalke IV is the culmination of the Scheibe's series of the type, making its debut around 1969, being of steel tube structure in the fuselage and traditional wooden flying surfaces. It has long been a favourite of mine, and three Bergfalke I's and three Bergfalke IV's bring us to the current version..." On The Bench | Youme Batteries Your usual Lipo supplier done a bunk? Here's a solid alternative. Peter Scott Dec 29 · 5 min read "Now that the big, Hong Kong-based online hobby retailer (you know which one!) has seemingly left the UK and Europe we have to look elsewhere for our LiPo batteries. I like to buy from UK suppliers whenever I can but the prices they charge for LiPos are often eye-watering..." 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

Ongoing Series

Rediscovering Martin Simons Part VI: Winglets as discussed the noted author's model aircraft books. Peter Scott Dec 29 · 10 min read "Ever since it was realised that the wing tips cause serious increases of drag, efforts have been made to prevent or reduce the wing tip vortices. The first attempts involved fitting large flat plates, vertically, at the tip..." Bigger Is Not Always Better The rumors have been greatly exaggerated. Tom Broeski Dec 30 · 3 min read "A few years back I finally got smart and started using squeeze bottles. I never use that much of any one solvent at a time, so it just made sense to fill up the small bottles instead. I've made a couple different racks to hold them and this is the latest..." Soaring the Sky Podcast E129: Soaring and Simulation | Getting the Most Out of Your Simulator Experience Chuck Fulton Dec 30 · 2 min read "For this edition of the podcast Scott Manley joins us to talk about how we can use simulation as a powerful tool to learn and also have some fun while we are on the ground. Scott has been an educator and flight instructor for years. Recently he has been teaching students online all over the globe using Condor the soaring simulator..." Science for Model Flyers Part III: Energy Peter Scott Jan 01 · 15 min read "The word energy is derived from the ancient Greek word ἐνέργεια (pronounced energeia), meaning activity. It was probably used first by Aristotle around the fourth century BC. The energy that exists in the universe now is the same as it was just after the Big Bang..." This brand new addition to our collection of quality logo merch features the flags of all 106 countries where the New RCSD is read. It's a tribute to our readers (and writers!) all around the world and a thank you to them rolled into one. Available in all sizes and seven great colours. Check them out in the RCSD Shop   Sponsored

Retrospectives

Stamps That Tell a Story The Bitterwasser Lodge and Flying Center Simine Short Dec 23 · 5 min read "The Philatelic Services in Namibia issued two postage stamps to honor the sport of gliding and soaring in their country. The N$1.60 shows a Zögling primary glider, while the N$1.80 depicts a Schleicher ASW-24 sailplane high above the Bitterwasser gliding field..." Glider Patents US 2019/0107453 A1: Identification and Use of Air Lift for Heavier Than Air Aerial Vehicles The New RC Soaring Digest Staff Dec 31 · 24 min read "Systems and methods are disclosed for automatically detecting better lift and using the lift to stay ... disclosed techniques pertain to aerial vehicles such as airplanes or model airplanes, gliders or model gliders, sailplanes or model sailplanes..."

That's a Wrap!

The Trailing Edge Make 'em laugh, if you can, and get them to the gift shop. The New RC Soaring Digest Staff Jan 01 · 4 min read "The Ed's terse but surprisingly accurate brief for this column is where we start each month. The social folks want to call it a 'wrap up' - okay, sure, whatever - but really it's just an opportunity to find a funny story in ordinary things, if we can..."

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