[rcsoaringdigest] R/C Soaring Digest - April, 2021 - Volume 36 No. 4

Joël Marin and Pierre Rondel collaborated on this great photo of Pierre launching his Aerotec Shinto at Col des Faïsses in the French Alps during August of 2017. Pierre provides the following comments: "Conditions were windy and rather cold temperature for this season. We had very good flying afternoon with good wind and lift in a stunning place!"

April, 2021
Volume 36, No. 4


In the April issue we welcome the return of Pierre Rondel who provides his thoughts on the Orden from RTGmodel. James Hammond also returns with the second of his four part design series. This time round, James' master class is dedicated to designing a slope 'allrounder': under his tutelage you, too, can realize that perfect design which can float away on virtually no lift at all and yet can give Spencer Lisenby a scare if you take it to the dark side of the slope. OK, we're totally exaggerating, but that doesn't make James' article anything less than 'must read'. And there's so much more: click any of the stories below to go straight to that article and start reading...

Contents
In The Air
Our modest role in making the world a better place.
Terence C. Gannon
Apr 21 ·4 min read
It seems that there is an appetite for a community which simply focuses on its shared interests and, for a while at least, sets aside those things on which we undoubtedly differ in an increasingly fractious world...
Orden From RTGmodel, Fly Different!
A top notch and versatile F3F competition glider from Slovakia.
Pierre Rondel
Apr 18 ·10 min read
RTGmodel is a Slovak-based manufacturer that has been producing F3F gliders for many years now, and is synonymous with top notch molding quality and attention to details. Long based on HN profiles, this new glider, the Orden, marks a breakthrough in aerodynamic design...
Designing for a Slope Allrounder
Insight into the thought processes behind a balanced design.
James Hammond
Apr 18 ·17 min read
For almost any model aircraft, there is a truism in that the larger it is, the better it will fly and this 'kinda' rule also applies to our slope soarers. For pretty much every slope soarer type — and in this series we will be dealing with aerobatic, allrounders, high performance competition types, and alpine soarers...
Never Trust the Weather!
The Spring Soar for Fun Aerotow in Cumberland, Maryland never fails to please.
Stéphane Ruelle
Apr 21 ·5 min read
After a winter frantically spent building, the spring fever started to build in me for our fist aerotow of the 2021 season, the 12th edition of Spring Soar for Fun Aerotow near Cumberland, Maryland. This event is usually taking place end of March, close to the first day of spring...
I've Got The Power: OpenTX
An open source operating system with the Lua progamming language.
Mike Shellim
Apr 21 ·5 min read
Few topics generate more noise and hot air than OpenTX, the popular open source operating system. Some love it. Others hate it, and for the rest OpenTX remains a mystery. In this article I'm going to explain the background to OpenTX, as well as its unique approach to programming...
1/3 スケール三田式 3 型改 1 製作記
マルチパートシリーズの最初のパート。
Norimichi Kawakami
Mar 20 ·29 min read
昨今は既成の半完成機(所謂 ARF 機)を組み立ててラジコン飛行を楽しむのが主流ですが、自分で設 計して素材から部品を切り出しそれを組み立てる、というのもラジコン
Contour Gauge
The shape of things to come?
Tom Broeski
Apr 21 ·2 min read
I needed a contour gauge a bit deeper than what is available (for a reasonable price) at Home Depot, Walmart or Harbor Freight. Most have a measuring depth of around 2". Soooo…I made exactly what I needed...
A Torrey Pines Puzzle
Never miss an opportunity to ask your folks a question.
Terence C. Gannon
Apr 21 ·4 min read
In his suddently free afternoon, he must have then sneaked out to Torrey Pines to indulge his intrinsic passion for all things that fly...
Thanks to Hedy Lamarr
Inspiration and innovation in the Golden Age of Hollywood.
Peter Scott 
Apr 18 ·3 min read
On my transmitter I have put a printed strip saying 'Thanks to Hedy Lamarr'. For those who don't know the reason I thought it would be good to describe this remarkable woman. Born Hedwig Keisler in Vienna in 1914...
The Trailing Edge
Some timely thoughts as March turns into April.
R/C Soaring Digest Staff
Apr 21 ·4 min read
We strive very hard to keep RCSD a COVID free zone. Don't get us wrong — it's one of the defining moments of our collective lifetimes — but we're also quite sure that you're getting all the information you need from sources much better than us. So that's the last we'll mention it...
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