1. Radial Flux Technology
License and Technology Review

2. License Status To: Small Wind Turbines, LLC (SWT)
Permitted Application: 5kw -99kw small wind
Permitted Territory: Worldwide
License Type: Exclusive
Right to manufacture or have manufactured
Right to sell and distribute
Subject to: Product Development & Licensing Agreement dated January 26, 2009

3. Radial Flux Technology (RFT)
T Flux trials over a decade
RFT a derived technology from T Flux
RFT prototype tested by Garrad Hassan
SWT designs complete to prototype

4. Key Features Light and Compact due to its innovative design.
Conventional
Generator
Light and Compact due to its innovative design.
Unique Permanent Magnet Technology
High Efficiency allows use of smaller drive engine
Radial Flux
Generator

5. Single stator
Dual stator
Traditional PMG
Rotor
vs. RFT PMG

6. Wind Turbine RFT Benefits
A low rpm permanent magnet direct drive replaces gearbox and high rpm generator
Jacobs (US) used for comparison analysis
Generator/Gearbox weight reduced
by 43%
Electrical generation efficiency
increased 30%

7. Wind Turbines RFT vs Jacobs Gearbox Turbine
G A
Jacobs
20kw
Speed (rated RPM)
180
1230
Power (rated Kw) 20
Weight (Kg)
213
262
Generator Type
PMG 3 phase
Synchronous Brushless 3 phase
Drive
Direct
6-1 Gearbox
Gearbox Weight (Kg)
No gearbox
114
Combined Efficiency (%)
96%
67.2%
Productive Operating Wind Speed (m/s)
0-12
7-12
Conclusions 43% less weight 30% greater power
Produces usable power from low wind speeds

8. Jacobs 20kw vs. RFT
Gearbox
Generator

9. RFT based Turbine

10. 20kW RFT Wind Design Status
FEA complete
Production design complete

11. 20kW RFT Completed Design

12. 20kw RFT Completed Design

13. 20kw RFT Prototype Status
Three prototypes in production
20 kw now complete, 10 kw by
Machining has begun on 40 kw
All three will be complete by
Testing, modifications and tooling
complete for 20 kw unit by