Product Description
Wind Turbine Hubs
Our Wind Turbine Blade Hubs have a 17 mm hub center mounting hole that fits most older GM/si type alternators. If your PMA or PMG rotor shaft isn't 17 mm, see our wind turbine hub adapters to make them compatible with our hubs.
Hub Specifications:
- Raptor Generation 4 Blade Hubs:
- 1/4" bolt holes are 15/16" center to center
- Raptor Generation 5 Blade Hubs:
- 5/16" bolt holes
- Bolt holes are spaced perfectly for our Raptor blades
- Each wind turbine hub is laser cut for precision
- Thick steel hubs are perfectly balanced, will not bend
- Evenly spaced cooling holes to prevent overheating
- Made in the USA
| 5 Blade Hub |
6 Blade Hub
(Use for 3 or 6 blades)
|
7 Blade Hub |
9 Blade Hub
(Use for 3 or 9 blades)
|
11 Blade Hub | G5 3 Blade Hub | G5 5 Blade Hub | |
| Blade Series: | Raptor Generation 4 or similar | Raptor Generation 5 or similar |
|||||
| Thickness: |
3/16 in
4.76 mm
|
3/16 in
4.76 mm
|
3/16 in
4.76 mm
|
3/16 in
4.76 mm
|
1/4 in
6.35 mm
|
1/4 in
6.35 mm)
|
1/4 in
6.35 mm
|
| Diameter: |
6 1/2 in
165.1 mm
|
6 3/4 in
171.45 mm
|
7 in
177.8 mm
|
8 in
203.2 mm
|
9 in
228.6 mm
|
8 3/8 in
212.7 mm
|
8 3/8 in
212.7 mm
|
| Weight: |
1 lb 7 oz
652 g
|
1 lb 9 oz
709 g
|
1 lb 11 oz
765 g
|
2 lb 4 oz
1021 g
|
4 lb
1814 g
|
3 lb 8 oz
1588 g
|
3 lb 8 oz
1588 g
|
| Special Coating: | Zinc plated |
Powder Coated
|
Zinc plated | Powder Coated | Zinc plated | Zinc plated | Zinc plated |
*These Missouri Wind and Solar hubs are required for the Raptor Blade warranty.
