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BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? ...
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Transcript of BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? ...
![Page 1: BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? Concepts and Terminologies of RC Plane Stability.](https://reader035.fdocuments.net/reader035/viewer/2022062304/56649eff5503460f94c1460c/html5/thumbnails/1.jpg)
BASICSOF RC PLANE
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Overview
What is RC Plane?
RC Planes’ Parts and their Role
How planes fly?
Concepts and Terminologies of RC Plane
Stability and Control
How to design your own plane?
Building your own design
How to fly?
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What is RC Plane?
Small radio-controlled model airplanes powered using electric motor or gas engines
Flown using transmitter with joysticks
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Cockpit
Jet Engine
Wing
Horizontal Stabiliser
Vertical Stabiliser Rudder
Elevator
Flaps
Ailerons
Spoilers
SlatsFuselage (Body)
Different Parts of RC Plane
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Different Parts of RC Plane
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We can categorize different parts of RC plane as following:
Control Surfaces which are ailerons, elevators and rudder.
Stabilizers include vertical and horizontal stabilizer.
Other parts which include fuselage, engine or power source and propeller.
Different Parts of RC Plane
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Different Parts of RC Plane
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Forces on Plane
The negative forces:- Drag Weight
We counter them by:-Lift for WeightThrust for Drag
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How the planes fly?
Lift Generation What is Lift? Airfoil? Angle of Attack?
L = ½ ρV2AαCL
CL ~ 0.8-1
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Concepts and Terminologies Drag
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Concepts and Terminologies Thrust
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Summing Up
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Concepts and Terminologies Angle of attack
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Concepts and Terminologies Wing Chord (c)
Wing Span (b) Plane form Area (s) Aspect Ratio (AR)
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Concepts and Terminologies Effect of Aspect Ratio on Lift
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Concepts and Terminologies Effect of Aspect Ratio on Drag
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Stability and Control
A plane can rotate about three axes- Roll Pitch Yaw
To attain control over these three axes, we have-Ailerons for RollElevator for PitchRudder for Yaw
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Stability and Control
Roll Motion
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Roll Motion
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Concepts of RC Plane
Pitch Motion
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Pitch Motion
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Stability and Control
Horizontal Stabilizer
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Stability and Control
Yaw Motion
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Yaw Motion
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Axes of Rotation
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How to make your own?
Step 1 •Developing your own design
Step 2 •Constructing your own design
Step 3 •How to fly?
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Determine wing dimensions• Set lift = target aircraft weight• Use approximate velocity to
determine the areaCL ~ 0.8 - 1ρ = Density of air (1.225)V = velocity of the aircraftS = Wing area
• Select A.R (4 – 6). Determine chord and wingspan
Step 1 •Developing your own Design
![Page 28: BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? Concepts and Terminologies of RC Plane Stability.](https://reader035.fdocuments.net/reader035/viewer/2022062304/56649eff5503460f94c1460c/html5/thumbnails/28.jpg)
Determine wing dimensions
Horizontal Tail Sizing
H.T.A ~ 20% of wing area
H.T.A = Horizontal Tail Area
Horiz. Tail at approx. 2.5 times to the aft of CG
A.R to lie in the range of 4-5
Step 1 •Developing your own Design
![Page 29: BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? Concepts and Terminologies of RC Plane Stability.](https://reader035.fdocuments.net/reader035/viewer/2022062304/56649eff5503460f94c1460c/html5/thumbnails/29.jpg)
Determine wing dimensions
Horizontal Tail Sizing
Vertical Tail Sizing
V.T.A = 8 – 10% of Wing area
V.T.A = Vertical Tail Area
Aspect Ratio in the range of 2.5-3
Step 1 •Developing your own Design
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Determine Wing dimensions
Horizontal Tail Sizing
Vertical Tail Sizing
Determining fuselage length
Fuselage length ~ 0.8 times wingspan
Fuselage length from CG to Horizontal Stabilizers ~2.5 times wing chord
Step 1 •Developing your own Design
![Page 31: BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? Concepts and Terminologies of RC Plane Stability.](https://reader035.fdocuments.net/reader035/viewer/2022062304/56649eff5503460f94c1460c/html5/thumbnails/31.jpg)
Determine Wing dimensions
Horizontal Tail Sizing
Vertical Tail Sizing
Determining fuselage length
CG location
CG should be ahead of the wing’s quarter chord
Step 1 •Developing your own Design
![Page 32: BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? Concepts and Terminologies of RC Plane Stability.](https://reader035.fdocuments.net/reader035/viewer/2022062304/56649eff5503460f94c1460c/html5/thumbnails/32.jpg)
Determine Wing dimensions
Horizontal Tail Sizing
Vertical Tail Sizing
Determining fuselage length
CG location
Wing Positioning
High wing configuration
Easy to construct and stable
Step 1 •Developing your own Design
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Determine Wing dimensions
Horizontal Tail Sizing
Vertical Tail Sizing
Determining fuselage length
CG location
Wing Positioning
Electronic Component Selection
Step 1 •Developing your own Design
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Electronic Component Selection Powerplant
BLDC (Brushless DC Motor)
Propeller
ESC (Electronic Speed Controller )
Servo Motors
Li-Po Battery
Transmitter & Receiver
We will go over them in the upcoming sessions
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Brushless DC Motor Electronic Speed Controller
Servo Motor
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Li – Po Battery
Propeller
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Safety Regarding Li-Po
Never Discharge LiPo Completely Always Store in Cool Location away
from sunlight Away from flammable materials Always wrap in foam for crash
resistance Use appropriate connectors (Ultra
Deans) Never discharge over C limit(30C
burst-30sec)
Next Lipo-Explosion
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Materials required for the structure Styrofoam
Corrugated Plastic (Coroplast)
Balsa Wood
Step 2 •Constructing your own Design
Other materials required for constructing Epoxy Glue (Bond – Tite)Masking TapeDouble – Sided Tape (DST)CuttersWe will further discuss about the materials to
choose in the upcoming sessions.
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Styrofoam Coroplast
Balsa wood
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Bond – Tite (Epoxy Glue) Double – Sided Tape (DST)
Masking Tape Cutter
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Points to note Symmetric construction
Make sure the plane is symmetrical about roll axis
CG should ideally lie on the roll axis
Keep the CG as low as possible Keep the empennage (horizontal
wing and vertical wing together) light
Step 2 •Constructing your own Design
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Get comfortable with the controls.
Step 3 •How to Fly?
![Page 43: BASICS OF RC PLANE. Overview What is RC Plane? RC Planes’ Parts and their Role How planes fly? Concepts and Terminologies of RC Plane Stability.](https://reader035.fdocuments.net/reader035/viewer/2022062304/56649eff5503460f94c1460c/html5/thumbnails/43.jpg)
Proper Practice! One Stop Solution for the above
is SIMULATOR SESSION. Be ready for Crash :P
Step 3 •How to Fly?
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What Next?
Decide your team (max. 4 and min. 2)
Register your team (Also a Good name :P)
Registration link on STAB website
FB Group
Google Group
Allotment of Mentors
Then It’s all about your enthu and efforts. :D
Where is your effort required? Attending workshops
Simulator practice Sessions
Flying practice Sessions
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THANK YOU!!!