Selected Savonius wind turbines

Objectives

• Collect information from projects related to Savonius rotor.
• Present the projects with the most important information.
• Evaluate strengths and weaknesses of each project.

Project 1 Savonius Rotor Eigenbau

Project data
Url original	https://www.youtube.com/watch?v=tV2cc7RtXd0
Url on OHO
Images
Technical data
Category	Renewable energies > Wind turbines > Savonius wind turbines
Subclass	VA – vertical axis frame
Use	Electricity generation
Rotor	aluminium, rotor area 6,65m²
Power	Pmax=1,5KW – Video reference
Dimensions	N-E
Components
Rotor	5 blades
Transmission	N-E
Generator	48 neodymium, diameter ~ 60cm, 3KW max
Machine frame	N-E cabling and shrouds on its columns
Mast	8 m
Brake	yes - disc brake
Safety shutdown	N-E
Other components	Central lubrication Windshield with speed control in 1.66 m²
YouTube data
Visits / likes / don't likes	14.310 / 86 / 3
Uploaded date	26.08.2013
Important comments	5 years ago: a planetary gear i=3 inserted

Evaluation
Score: 1-> Deficient, 2-> Regular, 3-> Ok
Property	Evaluator	Comments	Score
Operational safety	evaluator1:	Ok, no problems	3
	evaluator2:	I think there is a brake missing	1
	evaluator3:	Right, there is a brake missing, I propose a disc brake which can be taken como a small motocycle	2
Durability	evaluator1:
	evaluator2:
	evaluator3:
Investment cost	evaluator1:
	evaluator2:
	evaluator3:
Supply of materials, standard and purchased components	evaluator1:
	evaluator2:
	evaluator3:
Manufacturing processes	evaluator1:
	evaluator2:
	evaluator3:
Others	evaluator1:
	evaluator2:
	evaluator3:
Recommendations	evaluator1:		-
	evaluator2:		-
	evaluator3:		-
Total score:			6

Summary

	Project 1	Project 2	Project 3	Project 4	Project 5
Title
Url
OHO url
Power
Recomendations
Total score