[rcsoaringdigest] R/C Soaring Digest - March, 2021 - Volume 36 No. 3

The gorgeous cover photo for this issue is provided by Alexandre Mittaz, and was taken on March 18th 2021 at La Gruyère, Switzerland. Alexandre goes on to say: "It was an afterwork late afternoon flight, maiden flight of the Vantage F3F, with a moderate NE wind (we call it 'bise' here). The mountains in the back are the Swiss Prealpes in Canton de Fribourg, Gruyère Region."

March, 2021
Volume 36, No. 3


For March, I've tried to line up an array of stories so that there's a bit of something for everybody. Leading off is the first part of a four part series by James 'Doc' Hammond entitled Designing for Slope Aerobatics. It's the master class in sailplane design for which you've been waiting. We have a comprehensive product review from Pierre Rondel on MicroMAX, the Pocket F3F! Ryan Woebkenberg takes us along with him on My Southwest Classic F5J 2021 Experience which will make you want to attend the next one for sure. Rene Wallage turns the re-kitting of his Schwing Corsa into a Pre-Flight Check from which we can all benefit. Peter Scott walks us through the intricate details of the ToolkitRC ST8 Servo Tester and Tom Broeski (of Tom's Tips fame) helps us build a Clevis Tool. And you may even find a few little extra surprises thrown in to the bargain.

Contents
In The Air
Spring is finally here. And so is Fall.
Terence C. Gannon
Mar 24 ·3 min read
For those of us in the northern part of the Northern Hemisphere—the part where it gets cold and snowy mid-November and stays that way until the end of March—there's nothing quite like feeling the first warming rays of the sun in Spring...
Designing for Slope Aerobatics
And other aerial gyrations.
James Hammond
Mar 5 ·13 min read
I guess that slope aerobatics has been around as long as slope flying itself. Even in those days of yore when kit instructions came in Latin, planes were made of balsa, tissue and dope, and the only form of control was bang-bang rudder only...
MicroMAX, the Pocket F3F!
Promises kept by offering exceptional flying qualities for its size.
Pierre Rondel
Mar 19 ·13 min read
The MicroMAX is a project initiated by Henning Schmidt, designed by Christophe Bourdon, and manufactured by Anton Ovcharenko. The idea came initially from the 1m hand thrower called Strike, but this time optimized for the slope...

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My Southwest Classic F5J 2021 Experience
I'm already dreaming of attending again in 2022.
Ryan Woebkenberg
Mar 23 ·11 min read
For years I had followed the Southwest Classic RC Soaring contest that was conducted in the Phoenix Arizona area in the February timeframe and had longed to leave cold and snowy Indiana for the warm and sunny southwest for a few days of RC soaring competition...
Pre-Flight Check
Because you know you should.
Rene Wallage
Mar 23 ·4 min read
Be honest, raise your hand if you ever crashed your model due to stupidity. Ok, anyone not raising his hand is either very lucky, has flown for less than a month, or is lying. We've all done it. Call it what you will...
ToolkitRC ST8 Servo Tester
A useful and reasonably priced piece of kit.
Peter Scott
Mar 23 ·14 min read
I bought this recently-released device from AliExpress for $46USD. It took 17 calendar (not 'working') days to arrive from China. It is well made and fairly robust but I think it would be sensible to keep it in its very solid box if taking it to the field...

German Engineering. Made in the USA. Ever thought of building an airframe from scratch? WindyHillHobbies' Hotwire CNC Machine Kit makes it easy to cut foam and create any glider design you have in mind. Check out our website for more information!   Sponsored

Clevis Tool
This is one of the handiest tools I've ever made.
Tom Broeski
Mar 22 ·3 min read
Years ago I tried a couple clevis tools that were just too short or awkward. So, I decided to design my own. One of the toughest jobs was reaching in to get the clevis off of a bellcrank in my older planes and ones like my SBXC. It needed to be long enough, but not too long...
Where Did All Those Drones Come From?
Thoughts on the collision between the old world and the new.
Terence C. Gannon
Mar 24 ·6 min read
One of my earliest memories — I must have been five or six at the time — was when my father decided it was time to pass along his lifelong love of all things that fly, and bought us a Guillow's Javelin....
The Trailing Edge
Wrapping up March and looking forward to April.
The NEW RC Soaring Digest Staff
Mar 24 ·2 min read
Mike Shellim, who provided the enigmatic shot for our Events page, also kindly provided this month's beautiful image for The Trailing Edge. Mike writes: "Lundy is a tiny island in the Bristol Channel with a beautifully rugged landscape....
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