Duck Last

Wind Vane

1. Improve your project in the following

O - Function.For charging a battery.

O - Weight.220 gram.

O - Strength.Material is iron thenit can withstand a lot.

O - AppearanceWe paint color.

O - Ease of useActing clamp that can be used 

and stored easily.

2. Find out the key features of your product by answering the following questions: O - What are the problems that your

product can solve?We want to take advantage the

winds through us useless while driving.

O - What are the main benefits or advantages that your product has?

The main benefit is charging a battery.

Compare with product with similar products.

Topic for comparis

on

Our produc

t

Product on the market

Reason

Time for charging

Longer Faster - Products on the market used electric power directly.- Our product is longer because it depending on the price of the motor,Weather, The speed of the motorcycle.

Price cheap expensive -Our product is made from materials is used.

Strength Stronger Than similar product.

Less strong.

-Our structure product made from steel-the product from the market made from plastic. It can impede force is less.

3. For each key feature of your product, carry out the

experiment based on the scientific method:

Our experimental results was completed.It shows appropriate sized blade.

RUN Factor ค่�าค่วามต่�างศักย์�ที่��วดได� (Volt) Avg. Total

มอเตอร์�(A)

ใบพัด(B

)

จำ �นวนใบพัด (C)

1 

2 3 4  

1 (1) - - - 0.83 0.77 0.87 0.84   0.83 3.31

2 (A) + - - 1.07 1.08 1.05 1.05   1.06 4.25

3 (B) - + - 0.85 0.92 0.81 0.86   0.86 3.44

4 (AB)

+ + - 1.04 1.06 1.09 1.02   1.05 4.21

5 (C) - - + 0.62 0.59 0.63 0.58   0.60 2.42

6 (AC)

+ - + 0.91 0.85 0.89 0.87   0.88 3.52

7 (BC)

- + + 0.37 0.39 0.34 0.35   0.37 1.45

8 (ABC)

+ + + 0.47 0.56 0.53 0.49   0.51 2.05

Record the name of the experimental results 23 factorial

OThe results showed that 1 small propeller blades was the best

performance.

O - Test Test the product with environment and plot graph Velocity and Voltage result.

Analyze results Velocity (km/hr) Voltage (Volt)

20 0.87

25 0.91

30 1.1

35 1.13

40 1.44

45 1.55

50 1.79

55 1.88

60 2.1

65 2.2

70 2.35

75 2.48

80 2.66

10 20 30 40 50 60 70 80 900

0.5

1

1.5

2

2.5

3

Voltage-Velocity

Volt-Velocity

Velocity (km/hr)

Volt

ag

e (v

olt

)

Draw conclusion

THANK YOU