Loading…
Transcript

CSRJ 150

WEIGHTS AND RANGE

  • Operational Empty Weight =36 ton
  • Maximum Take-Off Weight = 63 ton
  • Maximum Landing Weight = 60 ton
  • Maximum Zero Fuel Weight = 60 ton
  • Range = 3254 nm
  • Wing Area = 120 square meters
  • Fuel Capacity = 20 ton

CSRJ 180

  • Operational Empty Weight =43 ton
  • Maximum Take-Off Weight = 75 ton
  • Maximum Landing Weight = 71 ton
  • Maximum Zero Fuel Weight = 70 ton
  • Range = 3197 nm
  • Wing Area = 120 square meters
  • Fuel Capacity = 20 ton

CABIN

FAR 25 Regulations

Emergency Exits Every 30 feet on Each Side

  • TYPE B EXITS IN FRONT AND AFT
  • TYPE I EXITS OVER THE WING

FRIEGHTER???

Perfectly Circular Crossection

LD3-45 Containerized Cargo Bay

Thrust to Weight = 0.32

CONSTRAINTS:-

THRUST AND WING

  • Second Segment Climb = 0.27(0.3 rho penalty)
  • Missed Approach Climb Gradient = 0.29(0.3 rho penalty)

CFM LEAP

10:1 Bypass Ratio

16% Lower Fuel Consumption

  • Cruise Speed = 828 KMPH = 0.78M AT 35000ft
  • Cruise CL = 0.48
  • CLmax = 2.69
  • Landing Field Length = 2130m
  • Take-off Field Length = 1855m
  • Vapproach = 140 kts

PERFORMANCE ESTIMATES FOR CSRJ 150

WING SPECIFICATIONS

  • Type C Gate
  • Span = 35.6m
  • Area = 120 sq.m
  • Taper Ratio = 0.3
  • Sweep = 25 deg
  • Aspect Ratio = 10.5
  • Wing Loading = 525 kg/sq.m on the CSRJ 150
  • = 625 kg/sq.m on the CSRJ 180

WING CONSTRAINTS:-

  • Wing Area From Stall Speed > 106sq.m
  • Wing Area From Cruise < 120sq.m
  • Cruise Speed = 828 KMPH = 0.78M AT 35000ft
  • Cruise CL = 0.57
  • CL_max = 2.69
  • Landing Field Length = 2450m
  • Take-off Field Length = 2260m
  • V_approach = 153 kts

PERFORMANCE ESTIMATES FOR CSRJ 180

32 inch Seat Pitch

SEAT PITCH 32 INCH

1591 ft^3

Range

3200 nm

3060 nm

9LD3-46

Cargo Capacity

Group A

Presents

Notional 3 Veiw Diagram With Scale Wing, Fuselage and Cabin

Take-off Length

32 in (Typical)

30 in (Dense)

Seat Pitch

2400 m

2100 m

Passenger Comfort

Seat Width

17.5 in

CSRJ

189(1 class dense)

175 (typical 1 class)

160 (2 class)

Seat Capacity

150-180 typical

Approach Speed

142 kts

Fuel Burn per

Passenger mile

140 kts

0.035(20% improvement)

0.0465

DR&O

$2.0 trillion :)

By 2031, total single aisle fleet share will rise to 69%

MARKET SURVEY RESULTS

Reference:SUGAR NASA

Asia Pacific region is expected to need 7,990 new airplanes to expand its single-aisle by 2031!!!

Ankit Shah (09001006)

Nishant Khanduja (09001013)

Gaurav Tendolkar (09D01003)

Utkarsh Vijay (09D01012)

Satwik Pradhan (09001020)

Seng Sy Keath (12V011001)

Prateek Jolly(P11314)

Single-aisle airplanes will continue to dominate the world’s fleet

Layout Showing Control Surfaces and Wing Spars

  • Span = 11.9 m
  • Root Chord = 3.9 m
  • Tip Chord = 0.861 m
  • Sweep = 30deg
  • Area = 24.48sq.m

Horizontal Tail

Extreme Lower Static Margin = 5% MAC

C.G. Travel = 30% MAC

Tail Arm = 45% of Fuselage Length

Neutral Point and C.G.

Same tail on the CSRJ 150 and the CSRJ 180!!

TAIL SIZING, NEUTRAL POINT & C.G.

  • Span = 6.935 m
  • Root Chord = 4.172 m
  • Tip Chord = 1.378 m
  • Sweep = 40deg
  • Area = 19.24sq.m

Vertical Tail

Cost of Aircarft = $75 Million

all dimensions in meters

Neutral point

Aftmost C.G.

Empty C.G.

Wing A.C.

Forwardmost C.G.

Nose Gear - 4108 Pounds

Oleo Diameter - 2.2 inch

Main Gear - 95% Load - 4 Wheels per Gear

Nose Gear - 5% Load - 2 Wheels per Gear

Front Spar at 15% from local L.E.

Rear Spar 65% from Local L.E.

Oleos for Landing Gear

Main Gear - 22000 Pounds

Oleo Diameter - 5.1 inch

STRUCTURES AND COST

Take off CL_max with 20 deg Flaps = 2.4

Landing CL_max with 35 deg Flaps = 2.69

  • Single Slotted Flaps With High Fowler Motion
  • Leading Edge Slats

High Lift Systems

Untrimmed L/D vs CL

Span Variation For Optimum L/D

Drag Breakup for CSRJ 180

AERO DATA

Untrimmed Drag Polars

Drag Breakup for CSRJ 150

CL - Flap Deflection Curve

Price in USD