Titan Dynamics Falcon V2 Manuale utente
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Titan Dynamics – Falcon V2
https://www.titandynamics.org/3dhangar/p/titan-falcon-v2
Build & User Manual
Revision 1.0
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Contents
Section 1: Model Information................................................................................................................3
Section 2: Model Specifications & Performance .............................................................................4
2.1: Physical Characteristics...............................................................................................................4
2.2: Aircraft Performance: ..................................................................................................................5
2.2.1: Drag, Efficiency, Power, and Angle of Attack at Varying All-up-weights:.............6
2.2.2: Turn rate, range, endurance, and max climb rate for a variety of different
battery configurations: ................................................................................................................ 11
Section 3: Required Build Materials.................................................................................................. 14
Section 4: 3D printing ........................................................................................................................... 15
4.1: Things to know before you start printing. .......................................................................... 15
4.2: Part Orientation.......................................................................................................................... 16
4.3: Tuning “hole horizontal expansion”....................................................................................... 18
4.4: Bed Adhesion and warping...................................................................................................... 18
Section 5: Assembly of 3D Printed Parts......................................................................................... 19
Section 6: Final Setup & Tuning Tips................................................................................................. 25
Section 7: Additional Images .............................................................................................................. 26
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Section 1: Model Information
The Titan Falcon V2 is our new flagship UAV – designed to be a ruthlessly effective
workhorse sculpted from hundreds of iterations in CFD. It was designed from the ground
up to be modular, easily repairable, and highly adaptive to your needs. Featuring a
swappable nose, tail and payload bay, Falcon V2 is ready for any application. A multitude
of canopy and camera/antenna mounting options open any and all possibilities. Long
range is in our DNA, and it was directly infused into every design decision during the
development of the Falcon V2. A strong focus was placed on structural integrity, evident
in its spar layout as well as clever tricks built into the STLs to increase strength where
most desired. Prior to release the airframe has been flown over 1000km in total, and it
currently holds the record for longest distance covered in flight for 3D printed aircraft:
300.4km with a flight time of 5 hours and 7.5 minutes – and there’s more left to squeeze
if you dare!
Some of the improvements over V1:
• Built-in support for the flap/aileron to prevent sag in the middle of the hinge
• Minimized ventilation drag with no NACA ducts exposed to frontal area
• Removable / swappable nose
• Removable / swappable tail
• Removable / swappable payload bay
• Optional shelf to mount FC above payload bay
• Optional mountable vertical stabilizer (ex: for a camera on the tail)
• Greatly improved structural rigidity (especially with a full-length spar in each wing)
• Reduced trim drag with the use of a cambered airfoil on the horizontal stabilizer
• Increased aspect ratio on the wing
• Increased Oswald span efficiency with new wing planform / twist / morphing airfoil
• Increased options for FC/Avionics hardware mounting points
• Increased antenna separation on the wings, as well as added antenna mounting
points
• Support for many popular camera systems, both analog and digital
• Support for SIYI A8 with minimized drag mounting solution
• Full clean sheet design with improved aesthetics and curvatures
• Clever aero trickery to make stall characteristics virtually unnoticeable
• New motor mounts with additional reinforcements to combat prop strikes on
landing
• Printable hard-mounting options for FC / Avionics / ESCs
• Multiple airspeed sensor mounting options
• Increased tail length for added pitch stability and authority (especially at low
airspeed under full flaps)
• Larger outer wing bays with 6 points of fixture instead of 4
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Section 2: Model Specifications & Performance
2.1: Physical Characteristics
General Stats:
• Wingspan: 2093mm
• Wing area: 4514cm2
• Maximum take-off Weight: 7kg
• Efficiency: 1.6 Wh/km @ 3.5kg AUW
• Cruise speed: 45-65kph
• Recommended prop diameter: 11-14 inches
Aerodynamic Properties:
• Root airfoil: NACA 4411
• Tip airfoil: NACA 3411
• Stabilizer airfoil (inverted): NACA 2410
• Root chord: 260mm
• Tip chord: 51mm
• Average chord: 176mm
• Root incidence: 4°
• Tip incidence: 0°
• Aspect ratio: 9.71
• Dihedral: 0.5°
• Sweep: 3°
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2.2: Aircraft Performance:
Below are some plots showing aircraft performance at different all-up weights.
The
values predicted are not perfect, and values like efficiency can vary greatly based on
the choice of motor and propeller, among many other factors.
These just serve to give
a rough idea of the sort of performance you can expect and give you an idea of the flight
envelope of your aircraft before you fly it and help narrow in on the most efficient cruise
speed. The stall speed assumes a CLmax of 1.42, and the minimum speed line is just 20%
above stall speed. Below the minimum speed, a tailwind gust can cause the aircraft to
stall unexpectedly, so be careful.
Using the drag plot can help figure out how much thrust you’ll need in level flight at a
given speed. This allows for the use of propeller data from companies like APC to choose
the best propeller for the type of flying you want to do.
The plot depicting power required for flight can help you estimate your loiter endurance
at a given speed. If you want the maximum time in the air, fly at the speed which uses the
least power to stay in the air.
The efficiency plot shows you what sort of efficiency to expect at each speed. With it, it’s
possible to choose the best cruise speed for your setup and see how changes in that
speed may affect your efficiency.
The fuselage angle of attack plot shows you what angle of attack the fuselage will be at a
given speed. This can be useful when setting the TRIM_PITCH_CD parameter in Arduplane
to the angle of attack value that corresponds with your cruise speed.
The plots in section 2.2.2 are just to give an idea of the sort of performance that can be
expected for certain battery configurations.
They are not a guarantee of performance
,
as there are too many variables to account for when individuals build the aircraft. Extra
draggy antennas, inefficient motors, surface quality, etc. can all change flight
performance drastically.
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2.2.1: Drag, Efficiency, Power, and Angle of Attack at Varying All-up-weights:
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