Mechanical · Automobile engineering · Final year project
Design and Fabrication of Bike Scooter Wheel Dolly Jack
A wheel dolly jack for moving bikes and scooters that cannot be ridden. The jack lifts the wheel onto a castor platform, so the vehicle can be rolled and turned easily in garages and service centres.
What is the Design and Fabrication of Bike Scooter Wheel Dolly Jack project?
A wheel dolly jack for moving bikes and scooters that cannot be ridden. The jack lifts the wheel onto a castor platform, so the vehicle can be rolled and turned easily in garages and service centres.
Key facts
- Type
- Final year project · Advanced
- Suitable for
- Diploma capstone and B.E / B.Tech final year
- Build time
- 6 to 8 weeks
- Estimated component cost
- ₹35,500 – ₹52,200
- Guidance from
- ₹9,999 (Hardware / IoT Final Year)
How the Design and Fabrication of Bike Scooter Wheel Dolly Jack works
- The mild steel frame and fabrication forms the base that carries every other part, so it is designed first from the load and size of the machine.
- The Hydraulic jack / cylinder gives large force from a small input using fluid pressure.
- The Wheels / castor wheels allow the machine or vehicle to move.
- The Mini submersible water pump moves water for irrigation, dispensing or cooling.
Block diagram
Power
Mini submersible water pumpHydraulic jack / cylinderWorking unit
Wheels / castor wheelsHydraulic jack / cylinderStructure
Frame and mountsComponents list and cost
Typical prices from Indian online stores and electronics markets (Lamington Road, Budhwar Peth, SP Road). Buy from one store where you can to save on shipping.
| Component | Qty | What it does | Approx. cost |
|---|---|---|---|
| Mini submersible water pump (12 V) | 1 | Moves water for irrigation, dispensing or cooling. | ₹180 |
| Wheels / castor wheels | 1 | Allow the machine or vehicle to move. | ₹400 |
| Mild steel frame and fabrication | 1 | Forms the main structure that holds all parts. | ₹2,500 |
| Hydraulic jack / cylinder | 1 | Gives large force from a small input using fluid pressure. | ₹1,500 |
| BLDC hub motor 250-350 W | 1 | Needed for this type of build. | ₹7,500 |
| Motor controller with throttle | 1 | Needed for this type of build. | ₹2,900 |
| Li-ion battery pack 36 V 10 Ah with BMS | 1 | Needed for this type of build. | ₹14,500 |
| Base frame / bicycle and fabrication | 1 | Needed for this type of build. | ₹6,500 |
| Brakes, cables and wiring | 1 | Needed for this type of build. | ₹1,400 |
| Hydraulic hoses and fittings | 1 | Needed for this type of build. | ₹900 |
| Welding, cutting and machining labour | 1 | Needed for this type of build. | ₹2,200 |
| Mounts, screws, nuts and small hardware | 1 | Enclosure, mounts and fasteners. | ₹300 |
| Paint, finishing and workshop consumables | 1 | Project overhead | ₹600 |
| Transport of material | 1 | Project overhead | ₹400 |
| Estimated total | Varies with brand, quality and city | ₹35,500 – ₹52,200 |
Prices are estimates for budgeting. We confirm the bill of materials when your design is frozen, and components are charged at actual cost with bills.
How much does this project cost?
| Option | What you get | Cost |
|---|---|---|
| Components only | You buy the parts and build it yourself | ₹35,500 – ₹52,200 |
| Hardware / IoT Final Year | Working model or guided build, Circuit diagram and bill of materials, Firmware / code with explanation | from ₹9,999 + components |
| Capstone Project (CPE) | Working project or model, Black book in MSBTE format, Step-by-step explanation | ₹9,999 + components |
| Diploma ITR | 100% working source code, Project report PDF, PPT | ₹1,999 + components |
No GST and no hidden charges. Use the cost calculator for a quote with your deadline and add-ons, or see all plans.
Download the project brief (PDF)
Summary, working, components and cost and viva questions on one branded PDF to show your guide or team. To get it developed, contact us on WhatsApp.
What you submit with this project
- Working model with circuit diagram and program code
- Project report or black book in your university's chapter order (block diagram, circuit, calculations, results)
- Presentation for the review and final viva
- Synopsis for topic approval, if your college asks for one
Mechanical viva questions on this project
What is the aim of the Design and Fabrication of Bike Scooter Wheel Dolly Jack project?
A wheel dolly jack for moving bikes and scooters that cannot be ridden. The jack lifts the wheel onto a castor platform, so the vehicle can be rolled and turned easily in garages and service centres.
Explain the working of your project in short.
The mild steel frame and fabrication forms the base that carries every other part, so it is designed first from the load and size of the machine. The Hydraulic jack / cylinder gives large force from a small input using fluid pressure. The Wheels / castor wheels allow the machine or vehicle to move. The Mini submersible water pump moves water for irrigation, dispensing or cooling.
How is the pump switched by the controller?
Through a relay or MOSFET, because the pump runs at 12 V and draws more current than the controller pin can provide.
How is the wheel size selected?
From the required speed and torque: linear speed = π × D × rpm ÷ 60. A larger wheel gives more speed but needs more torque.
Why is mild steel used for the frame?
It is cheap, strong, easy to cut and weld and widely available. A frame of 25 mm square pipe is enough for most student models.
What is Pascal's law?
Pressure applied to a confined fluid is transmitted equally in all directions. A small force on a small piston creates a large force on a larger piston.
Which material did you select for the main parts and why?
Mild steel (MS) is used for the frame because it is strong, cheap, easy to cut and weld and available everywhere. Shafts are made of EN8 or bright mild steel for strength, and parts that do not carry load can be aluminium or acrylic to reduce weight.
What factor of safety did you take in your design?
A factor of safety of 2 to 3 is taken for static parts and 3 to 5 for parts under shock or fatigue loading. Allowable stress = yield strength ÷ factor of safety, and each part is checked against it.
How did you estimate the cost of the project?
The cost is the sum of raw material, bought-out parts, machining or fabrication and overheads. Our estimate for this model is about ₹35,500 to ₹52,200, depending on size, material and the workshop rates in your city.
Which manufacturing processes were used?
Cutting and grinding of sections, arc or MIG welding of the frame, drilling for mounting holes, followed by assembly, alignment and painting.
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