Hello I'm really glad to introduce the Extra EA-300
Here is the link to GitHub -> https://github.com/cobe571/EXTRA-EA300
«The Extra 300 is a low-wing single-engine acrobatic aircraft, produced by the German company Extra Aircraft. Designed by Walter Extra (formerly an acrobatic pilot) specifically for acrobatic flight competitions and air shows, it is one of the best airplanes of this type ever created. It is produced in two versions, Extra 300L and Extra 300S, respectively with two seats in tandem or single seat. Both exceed 10G of load factor, both positive and negative. Equipped with a very resistant bicycle landing gear and built in aluminum on a very light and resistant alloy chassis, the Extra 300 has a rolling speed that exceeds 400 ° per second and a VNE (speed not to exceed) of 225 knots (400 km / h). It generally has a 300 horsepower, turbocharged Avco Lycoming engine and a Hartzell triple-pitch propeller with variable pitch and constant revolutions. In the last years a further version of the Extra 300S has been designed, called Extra 330XS, enhanced: in the engine, which from 300 has been increased to 330 hp; in rolling speed, increased by about twenty degrees per second; in the load factors, which go from ± 12 g to ± 15 g; in the smoke plant, which is less affected by climate change and increases the spectacularity of the created figures. This version was commissioned by Paul Bonhomme (Red Bull's acrobatic pilot) and by Walter Extra himself. Together they had already created a modified Extra 300, called Extra 300S HP (High Performances), which then became commercial under the name Extra 300XS. In the 2008 catalog of Extra Aviation, a model for training was presented, and in any case for less experienced acrobatic pilots, called Extra330SR (Skill Range). The engine of the latter model has a power of 350Hp, but is less "brutal" and more manageable than the model it comes from, which, strangely, has made it a success among professional acrobatic pilots.»
Role Aerobatic: monoplane
National origin: Germany
Manufacturer: Extra Flugzeugbau - https://www.extraaircraft.com/
Designer: Walter Extra
First flight: May 1988
Crew: one pilot
Capacity: two
AIRFRAME
Fuselage assembly, 1.7734 steel
Carbon fiber wing assembly with integral tank
Carbon / glass hybrid composite empennage structure
Fiberglass landing gear spring
Bubble canopy
Titanium firewall
Lightweight shells and fairings group
Tailwheel, hard
POWERPLANT AND PROPELLER
Lycoming AEIO-540-L1B5, 300 hp, 6-cylinder
Gomolzig, 6-in-1 exhaust system
Lightweight hose kit, teflon with integrated fire sleeves
Lightweight single oil cooler system
Electric starter
Two fuel pumps (1 engine-driven, 1 electric)
MT-Propeller, MTV-9-B-C/C 200-15, 3-blade (2.700 RPM)
COCKPIT
Fixed composite front seat, contour molded
Adjustable composite rear seat, contour molded
Forward rudder pedals with differential toebrakes
Front and rear seat Hooker safety harness with ratchet
2 front and 2 rear bezel-operated air vents
Rear rudder pedals manually adjustable
SYSTEMS
65 Amp alternator
12V battery
Strobe / navigation lights at wing tips
Smoke system with automatic filling system
External battery "trickle" charge socket, incl. charging cable
Electric stall warning system
Pitot static system drain
STANDARD PANEL EQUIPMENT
Airspeed indicator (kts)
Altimeter (ft, inHg/hPa)
Mechanical accelerometer
Magnetic compass
Slip and skid indicator, with holder if req'd
AIRCRAFT DIMENSIONS
wingspan 26,3 ft / 8,0 m
length 22,8 ft / 6,9 m
height 8,6 ft / 2,6 m
wing area 115,2 ft2/ 10,7 m2
FAA / EASA certified load factor +/- 10 g
WEIGHTS
typ. equipped empty weight 1.455 lbs / 660 kg
MTOW normal category (+6/-3g) 2.095 lbs / 950 kg
MTOW two-pilot acro (+8/-8g) 1.918 lbs / 870 kg
MTOW single-pilot acro (+10/-10g) 1.808 lbs / 820 kg
AIRSPEEDS
never exceed speed (Vne) 220 kts
maneuvering speed (Va) (acro) 158 kts
stall speed at 1.808 lbs / 820 kg (Vs) 55 kts
stall speed at 2.095 lbs / 950 kg (Vs) 60 kts
FUEL
total capacity 49,9 gal / 189 ltr
usable fuel 49,4 gal / 187 ltr
usable fuel - acro tanks only 17,7 gal / 67 ltr
-----
That's really enough to produce a 3D model with Blender. Generally I don't have a point where to start modeling a new aircraft. So that's a personal choice. I follow the classical steps I learnd over the years. First of all I create a "Box" that will help me follow the basical lines. Most of the job is always done by using real pictures that helps really much to add real details to the model.. So a good documentation about the subject is really necessary.
So a year later from where I start I have my 3D model almost done.
To obtain the first results is truly necessary to stick with the project. To love it like a baby that need cares day by day. The EA-300 is made by many different parts that I separate into layers, so I can operate without difficulty on them. Coordinates are always set to global. Every part of the plane is a separate object with a material, that later will have a texture associated.
Modeling I'm not a big fan of so huge mesh, with very high details, expecially if we're talkin' about modeling for FlightGear. Too really much faces, edges and vertex, most of the time are a plus, if textures are really well made. So I use the amount Is necessary, cause the most important thing, I'm developing an airplane for FlightGear; that I still presume is created by devs to be used by everyone, even whom those people, that can't afford personal computer, with really high specs.
The EA-300 parts
The 3D model itself can't fly without a good FDM, so I start to create the entire structure. directories, sub-directories and files needed to fly the EA-300...
Hope you'll like this airplane even if isn't finished yet. Also I hope and ask to you all for your help and suggestions to make it flyable into FlightGear Flight Simulator as soon as possible.
Best regards,
~Patrizio.