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F5J<br />
AI<strong>RC</strong>RAFT<br />
DESIGN<br />
Initial concept and evolution of the Genoma 2<br />
Marc Pujol, marc.pujol1@free.fr<br />
How to structure a rational 3<br />
Regulation analysis 3<br />
The plane and its trigger elements 5<br />
Altitude gain in lift 7<br />
Thermal searching 12<br />
Return to the land field 13<br />
Landing 13<br />
Classification of trigger plane element 13<br />
After the Pasmespumas and the Genoma,<br />
here is my new F5J plane: The Genoma² 17<br />
The GENOMA² construction 21<br />
Tail and fin 21<br />
Wing 24<br />
Fuselage 27<br />
How does Genoma family is flying? 28<br />
The Genoma² in its first TD F5J contest 34<br />
Conclusion 36<br />
F5J discipline (also called ALES) appeared in January <strong>2012</strong>.<br />
This is the first time for electric glider categories where the<br />
propulsion set is not so important. This is a revolution. This<br />
is the end for all such very expensive gliders full of carbon<br />
technologies that allow them to be very light and highly<br />
resistant.<br />
So, for the first time, a standard glider can have “similar”<br />
chances against more optimized planes. Of course, similar<br />
doesn’t mean equal. There are still some differences between<br />
them. But strategies are of far more importance especially<br />
during a fly-off where the conditions are usually more<br />
demanding.<br />
This paper is written to provide you with a rationale that may<br />
conduct you into the selection of your next F5J plane. Of<br />
course, you can apply it to any other discipline with a little<br />
adaptation.<br />
4 R/C <strong>Soaring</strong> <strong>Digest</strong>
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