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1. THE WINGS OF THE LABORATORI

1.1 Paragliders
1.2 Single skin paragliders
1.3 Hang gliders
1.4 Rigid wings
1.5 Hybrids HG/PG
1.6 Parachutes
1.7 Kites

2. ACCESSORIES
3. SOFTWARE
4. OTHER
5. TECHNICAL INFORMATION AND MATERIALS
6. STUDIES
7. BOOKS
8. SPECIAL ARTICLES
9. ART AND SCIENCE OF HANG GLIDING
10. MEETINGS

       1. THE WINGS OF THE LABORATORI

  1.1 Paragliders

Glider	Year	lep files	dxf_2d  dxf_3D	Airfoils:	Surface (m2)
Experimental
experience	2008					Only idea
Ascender	2009			Ascender.dat
Simplex	2009					Only idea
hiLAB	2009					Only idea
gnuMagic	2011				24,32
Speed, Miniwing
gnuEASY	2009		DWG S/M/L	gnuEASY.dat	21/26/30
speedLAB	2009		DWG	gnuEASY.dat	16
gnuA13	2016	lep	plans_EF 2d 3d	gnua gnuat	13
gnuA13-M	2019
gnuA13-HA	2020
gnuA13-C	2022
Hegala	2022				14,3	Eric Fontaine (france)
Hegala v2_M	2025				14,3	Marcel (Germany)
Hegala v2_TW	2025				14,3	Tim (Germany)
Begginer gnuLAB series
gnuLAB1	2007	-	CAD	gnulab1	25.75	Made with CAD +  flattening subroutine
gnuLAB2 "Barretina"	2010	lep	CAD DWG format 3D model DXF 3D	gnuLAB2	25,03	Double surface "Barretina"
Barretina 611	2011			gnuLAB2	25,03	Barretina mod
gnuLAB2.5	2014	lep pre	2d 3d	gnulab3 airplan3	25,03
gnuLAB3	2014	lep pre		gnulab3
gnuLAB4	2018
gnuLAB5	2023
Begginer:
gnuA1 gnuA 20 "Bat"	2015/2021	lep pre		gnua gnuat	20/23/27,02
gnuA2	2016/2021	lep pre		gnua gnuat	25
gnuA3	2017/2021	lep pre		gnua gnuat	25
gnuA4	2019/2021
gnuA5	2020/2021
gnuA5-31 "Chengdu"	2021
gnuA6	2021				22/24/26/33
gnuComet	2022
gnuA7	2023				22/24/26/30
Tuluaq	2025				19 / 24
Performance:
gnuC	2021				25/27
GNU "C" 敬畏	2023				27
gnuC2	2026				23/25/27
gnuReflex	2022
Swoop	2025/2026				18, 22	Parakite
Swoop2	2026				18	Parakite

Other projects:

Snow Owl	2019	Altair Paragliders	Poland
Accuracy	2020
Sagitta	2021
Macaw	2023
Eagle	2026
Ghost 1	2021	Hugo Chauvin	France
Ghost 2	2023

  1.2 Simple sail paragliders:

Model	Sizes	Pannels	span	AR	Constructor	Where	Project	Notes
Simple sail paragliders models	Model				Laboratori d'envol	Teià, Catalonia	1992-
gnupwing		3			Laboratori d'envol	Teià, Catalonia	2002	Sailwing (Rogallo) video
gnupwing-2l		2
gnuswing						-		Sailwing (Barish)
PampaCAT [en] [es] [ca]		2			CZWings	La Pampa, Argentina		Sailwing (Rogallo)
gnuPSF
gnuPSF	18,75	19	7,50	3,0	Alberto	Veneto, Itàlia	Built 2017	Experimental
gnuPSF-evo-19	19,21	23	8,50	3,76			project 2018
gnuPSF-evo-10	10	23	5,95	3,76	Laxman Rawat	Mumbai, India	Built september 2020	Experimental
BHL1
BHL	25,03	29	10,84	4,7	Adrenaline Paragliders	Yecla, Spain	Built (winter 2011-2012)	Produced by Adrenaline "Batlite" 19, 22, 25 m2
BHL-JAP	25,03	29	10,84	4,7	JAP	Baden-Württemberg, Germany	Built (2012)
BHL-18	18,02	29	9,20	4,7	Fertito Custom Designs	Grenoble, France	Built (August 2013)
					Deryk Goerke	San Diego, California USA	Built (May 2016)	video
BHL-S
BHL-S	20,00	23	9,18	4,2	-		Only DXF	Simplified
BHL-P
BHL-P	22,50	29	10,28	4,7	CZWings	La Pampa, Argentina	Started november 2013
BHL-P CR	22,50	29	10,28	4,7	Manuel Herrera	Heredia, Costa Rica	January 2017
BHL2
BHL2-23	23,03	33	10,69	5,0	-		Only DXF
BHL2-19	19,00	33	9,71	5,0	BASE World	Olonne-sur-Mer, France	Built (October 2013)
BHL2-JPS	23,03	33	10,69	5,0	JPS	Fontanes, France	Built (Octobert 2013)
BHL2-19 laf	19,00	33	9,71	5,0	Éric Dumazert	Nîmes, France	2014
BHL2-16	16,00	33	8,91	5,0	Julien Millot - Slack.fr - Skyliners Team	Annecy, France	Built (October 2014)
BHL2-23m	23,03	33	10,69	5,0	Arnaud Martínez	Germany	Built august 2015
BHL2-21	21,00	33	10,20	5,0	Dmitry Anisenkov	Izhevsk, Russia.	Built (January 2016)
Alp'Skin 21					Thierry Bosq	Hautes Alpes, France	Built (July 2016)
Alp'Skin 19	19,00	33	9,71	5,0	Thierry Bosq	Hautes Alpes, France	Built february 2017
BHL2-19-am	19,00	33	9,71	5,0	Alexandre Parapente	Aubagne-Marseille, France	Built (July 2022)
BHL2-16-evo	16	33	8,91	5	José Guillén	La Palma, Canary Islands	Built november 2018
BHL2-16-evo	16	33	8,91	5	Arnaud Martínez	Germany	Built
BHL2-16-evo					Gaël Bellynck	Bourgogne, France	Built 2024
BHL2-19-CH	19,00	33	9,71	5,0	Zhu Guoqiang	Chengdu (Sichuan, China)	Built
BHL2-19						Pic du Midi de Bigorre	2024
BHL3
BHL3	18,00/ 27,00	39		5,66	Adrenaline Paragliders	Yecla, Spain	Experimental 2016-2017
BHL4
BHL4	20/22/24	35	-	4,69			project 2020	EN-A concept
BHL4-16 "Suluk2"	16						2022
BHL4-31 "Hermes"	31						2022
BHL5
BHL5	16/20/24	39	-	5,66			project 2020	EN-B concept
BHL5-Bi	31	39	13,24	5,66			project 2020
BHL5-16-HA	16	39		5,66	Thierry Bosq	Hautes Alpes, France	Built (July 2021)
BHL5-16-TA	16	39		5,66	Eric Fontaine	Tarnos, France	Built (August 2021)
BHL5-24-CH	24	39		5,66	Zhu Guoqiang	Chengdu (Sichuan, China)	Built 2021
BHL5-16 "Limetti"	16	39		5,66	Tim Weber	Sauerland, Germany	May 2022
BHL5-23					Laxman Rawat		2024
BHL6
BHL6		63		8,01			project 2021
BHL7
BHL7	10/15/ 19/22	33	7,04/ 10,44	4,96			project 2022-2025
BHL7-19	19				Antoine Laporte	Le Lot, France	2023
BHL7-19	19				Lucas Parmentier	France	2024
Chooca
Chooca 15	15				Frédéric Galy	Hautes Pyrénées, France	2025

1.3 Hang gliders:

Hang glider	Notes	Year
GG Hang Glider	by Gilberto Guitarte, a 18 ft standard Rogallo with 80º nose angle	2021
gnuAtlas		2018
gnuFloater	In preparation	2016	"gnu" version of the Perfex / Falcon 4 floaters
miniSPS	In preparation	2016
gnu-porta-glider	cable leading edge hang glider, superlight and packs under 1,5m
gnudwing-cl	bowsprit crosstube-less hang glider.
SPS2008	Short Pack Standard Hang Glider	2008
gnuSTAR	Initial ideas
xtralight (1993)		1993
Labclassic (1993)		1993
ctlss (1993)		1993

1.4 Rigid wings:               

Bow rigid wing	initial analysis
gnu-V	Rigid wing	project for a type "Icarus V" / "Fledge"
gnuchanute	Rigid wing	project for a Chanute/Hang Loose...
gnu-quicksilver	Rigid wing	only the name
lab-mill	Rigid wing	Wing with the planform and controls of Millenium and structure of Fledge...
New Hybird Glider		New Hybird Glider by Thierry Blanc

 
1.5 Others:

Paramontante II [en] [es]	Hybrid HG/PG	Built and tested by CZWings
woopy-lab	Hybrid HG/PG
AVL	Free flight gyroglider

 
1.6 Parachutes:  

Parachute	Notes
GNU AntiG aka "Swiss-cheese-chute"	Designed and built by Jeremy Paxson (Germany), in September 2022. A much needed safety complement for pilots flying high performance wings!
gnu-paracommander Round ascending parachute type "Paracommander" or "Parasail
lab-BASE-R
lab-BASE-7c
gnuBASE	project
gnuSoyuz	1000 m2 spacecraft main parachute

1.7 Kites:      

JouetBHL	4.0 m2	Paraglider single skin
gkite	3.01 m2	Kite single skin
Parafoil simple face	0.25 m2	Rectangular single skin
MF-3	7.5 m2
Kait 5m2	5 m2
Kait 7m2	7 m2
KD-01	6.65 m2	Kite demonstrator, experimental construction
KD-01sk	6.65 m2	Kite demonstrator, experimental construction

1.8 Harnesses:

Parker V3 ultralight harness	by Arnaud Martinez
Vario seat	concept

2. ACCESSORIES

Finessòmetre  simple geometric device to know the inclination of our flight or that of the mountain

Anemometer Laboratori

gnu-e emergency parachute "Pull Down Apex"...

gnustop  drag stop parachute

lab-wh crossed bands for HG/RG ground training

Mountain arness

lab-fd light cover for delta wing


3. SOFTWARE

3.1 Design software

Program	Description	Language	Operating system
LEP Paragliding 3.29	Laboratori d'envol paragliding design software. Manual. FAQ.	Fortran	Linux, Windows, OSX
LEP Pre-procesor 1.6	Geometry preprocessor for use (optional) with LEparagliding	Fortran	Linux, Windows
LEP-fedor	LEP fork by Fedor Logachev	Fortran	Linux, Windows
aw-html	Airfoil viewer (.dat, .txt from LE)	html	Universal
AirFreeCAD	Airfoil viewer (.dat, .txt from LE) macro in FreeCAD	FreeCAD	Linux, Windows
ac-html	Airfoil converter from .dat to .txt from LE	html	Universal
ac-for	Airfoil converter from .dat to .txt from LE	Fortran	Linux, Windows
air2dx-for	AIrfoil converter from .dat format to .dxf	Fortran	Linux, Windows
air2dxf-gnu	Airfoil converter from .dat format to .dxf	Octave	Linux
LEPGUI Tcl/Tk	GUI Tcl/Tk Version (old, discontinued)	Tcl/Tk
LEPGUI Python	By Stefan Feuz https://github.com/stefanino-ch/lepg-py	Python	Windows, Linux
LEPGUI html	Laboratori d'envol official project for GUI interface	html	Universal
LEP STUDIO	A modern C++/Qt/Open CASCADE LEP port  including XFLR, print, and playground adds, by Michael	C++/Qt/Open CASCADE	Windows, Linux, OSX
SimWing	Project for coupled XPBD-CFD  simulation of ram-air paragliders, by Michael	C++/Qt/Open CASCADE	Windows, Linux, OSX
Why GUI's?	Why so many graphical interfaces?
leparachute 0.2	parachute and parasail design program	Fortran	Linux, Windows
LEHG-0.2	LE hang gliding design program	Fortran, OpenSCAD	inux, Windows
hg-script	Script in language "bash" for drawing hang gliders	bash	Linux

3.2 Other design programs very Recommended

SingleSkin paragliders by Nikolay Rainsiv
Openglider advanced paraglider design software GNU/GPL 3.0 by Simon Klemenc and Lorenz Lechner
Open Glider Laboratori? LEparagliding integration inside OpenGlider/FreeCAD
XFLR5 is an analysis tool for airfoils, wings and planes operating at low Reynolds Numbers

3.3 Additional Programs and Scripts

Scripting: vpm generates a dxf mosaic of paperspaces with viewports ready to "publish" in PDF.
Scripting: alog2colors Autocad commands log file to colors data file for use in leparagliding.txt
ta Track Analysis program (.gpx files)
Source code not compiled. For UNIX computers:
Joukowsky airfoils. FORTRAN program for computing and drawing airfoils.
Perfils NACA. FORTRAN program for computing and drawing airfoils.
Simple surface airfoils. Geometrical definition and drawing program.
Conversion of GPS waypoints to .dxf for CAD. Aplicaton to Catalunya waypoints.

4. OTHER

Artificial training hill

Portable delta ramp: a ramp of 5 m unevenness that can come apart, load in a van and ride in any flat place  well directed at the wind, and near home...

Autogiro for free flight AVL

Inflatable and transportable dune for soaring  flights ("groundhandling" and "free-style"...) 

Sand dune estude for Ocata beach

Natural and artificial training hills


5. TECHNICAL INFORMATION AND MATERIALS

- Paraglider aerofoil fitting
- Aluminum alloys and HG tubing
- Fabrics (PG/HG)
- Suspension lines
- Thread and needles
- Cables
- Aeronautical screws AN
- Steel maillons
- Maillon estructural analysis
- PG classical planforms
- HG classical planforms
- Real paraglider airfoils
- Vario seat, concept
- Cage, concept

6. STUDIES

Calage and its adjustement
LEP to XFLR5 wing analysis in minutes, by Francois de Villiers
CFD paraglider wing study, a first run. By Francois de Villiers.
CFD Study of the gnuC airfoil, by Francois De Villiers
2022-05-08 Notes about prototype adjustment
Lines optimization in LEparagliding
Airfoils 3D rotations in LEparagliding. Study of geometric transformations to rotate airfoils in three axes.
Bird-like shaped profiles for single-surface paragliders. In search of a new single skin airfoil, optimal triangle design, Stork project, analogy with suspension and cable-stayed bridges, and other questions, by Arnaud Martinez and Pere Casellas.
A device for experimental study of deformations and wrinkles. Dream of the paraglider scientist.
September 2020, thinking again about equilibrium in flight.
3D-Shaping notes:
PART 1: Notes on the 3D formation of the leading edge in a paraglider, using ripstop fabric.
PART 2: 3D-shaping programming strategy
PART 3: Negative 3D-shaping
PART 4: A device for experimental study of deformations and wrinkles
Theoretical and practical experimentation with single skin airfoils [en] [ru]

Read about scale changes
Read about DXF format

Ripstop elasticity test (2008)
Stress-Strain ripstop curves (I) (2009)
Stress-Strain ripstop curves (II) (June 2021)

Porosity check and water piston porosymeter
Notes on geometry problems in the design of paragliders (septembre 2007)
Parachute calculations, pressure, temperature, and air density influence
Parachute gore solving the parachute-parasail gore
 Однослойный профиль крыла эксперимент (2014-)

7. BOOKS

Paraglider design handbook [en] [ru]
Hangglider design handbook

8. SPECIAL ARTICLES

Philosophy of engineering and UNIX hackers (in preparation)
Single skin stiffening ideas
BarretinaHyperLite simple skin paraglider | Article: Why GNU gliders ?

9. ART AND SCIENCE OF HANG GLIDING

1. Introduction
2. Hang glider programming LEHG-0.2 (based on Fortran and OpenSCAD)
3. Some mechanical ideas on hang glider structure (drawings october 2020)
4. Methods for sail patterns
5. Some projects
6. Materials (tubes, bolts, sails, wires)
7. HG single surface airfoils
8. HG planforms
9. HGG Hang glider generator. Bash script to draw planforms.
10. Artistical and technical HG/PG photoalbum (1988-1997)
11. Such were the Laboratori studies in the 70's (1976-1978) :)
12. Zephir

10. MEETINGS

1st mono-surface single skin-schirm paragliding design meeting. Les Escaules august 2013.
2n mono-surface single skin meeting Les Escaules (--)
Zephir
Labomeet Dune du Pyla, May 2025
expoLAB2025, Teià September 2025
expoLAB2027, Les Escaules, September 2027?

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