2. Thunderbirds set out to design and construct
an all-terrain utility vehicle. The team’s vehicle
the trendnought ,has two treads to allow it to
traverse a wide variety of terrains such as
snow, mud ,grass and gravel.
3. BRIGGS AND STRATTON
Briggs & Stratton is the world's largest manufacturer of air-cooled
gasoline engines primarily for outdoor power
equipment. Current production averages 11 million engines
per year.
Briggs & Stratton engines are commonly used on lawnmowers.
5. MAHINDRA ALFA
The Alfa is a three wheeler goods carrier
designed to make the loading, transportation,
and unloading of small cargos easier.
Mahindra equipped the Alfa with the largest
and strongest cargo box yet at 24.5 cubic
feet, and then adapted the structure to
handle oversize loads.
6. Engine Type = 4-stroke, Single Cylinder, air cooled diesel
engine
Displacement = 395.00 CC
Maximum Power = 5.51 KW @ 3600 rpm
Maxiumum Torque = 16.7 Nm @ 2200-2800 rpm
MaxSpeed = 53 Kmph
Transmission = Constant Mesh
Clutch = Multi Plate Wet Clutch
Gearbox = 4-speed
7.
8. Mechanical
The engine and power train option that was considered was a
mechanical gearing system powered by an internal combustion
engine. While the mechanical system can’t provide the zero-turn
capabilities as simply as hydraulic or electric systems can.
9. Primary gear ratio=2.86
Secondary gear ratio=2.38
Final gear ratio=primary gear ratio*secondary gear
ratio*individual gear ratio
Gear Individual Gear ratio Final gear ratio
1 4.62
31.45
2 2.75
18.70
3 1.67
11.40
4 1.08
7.35
Reverse 8.09
55.05
10. TORQUE=Maximum torque by engine*final
gear ratio
Gear Torque(N)
1 587.80
2 349.50
3 213.06
4 137.37
5 1028.88
19. Engine & Gearbox:
Standard B&S engine, Mahindra Alpha Transmission.
Components Cost
B&S Engine 35,000
Transmission 19,000
Labour Cost 6,000
Total 60,000
20. It is used to get various speeds in different load
conditions.
It increases fuel efficiency.
Increases engine efficiency.
Need less power input when operated manually.
They are more practical when there is a space
limitation.
21. Robust transmission and longer gearbox life.
Best suited for Briggs and Stratton engine.
Compact and easily available in the market.
Data of Specification and features are easily
available.