![GL-sparv01](https://blogen.e-props.fr/wp-content/uploads/2022/03/GL-sparv01-678x381.jpg)
March 2022 : assembly of a 3-blade Constant Speed Glorieuse propeller on a Promecc Aerospace Sparviero.
![](https://blogen.e-props.fr/wp-content/uploads/2022/03/GL-sparv01-1024x625.jpg)
Engine: Rotax 912S (100 hp), configuration 2 (non hydraulic equipped)
Propeller: 3-blade Constant Speed Glorieuse, Carbon-Titanium, diameter 170 cm, spacer 25 mm, spinner diameter 260 mm, weight 4 kg
CS Instrument: designed and made by E-Props, diameter 57 mm, weight 70 g
![](https://blogen.e-props.fr/wp-content/uploads/2022/03/GL-sparv02-1024x692.jpg)
![](https://blogen.e-props.fr/wp-content/uploads/2022/03/GL-sparv06-1024x945.jpg)
![](https://blogen.e-props.fr/wp-content/uploads/2022/03/GL-sparv03-1024x676.jpg)
Previously, this aircraft was equipped with a 3-blade Constant Speed MT Propeller, diameter 170 cm, weight 16.5 kg.
The weight gain between the 2 propellers is 12.5 kg. The Rotax gearbox will appreciate it !
![](https://blogen.e-props.fr/wp-content/uploads/2022/03/mtprop-1024x634.jpg)
![](https://blogen.e-props.fr/wp-content/uploads/2022/03/curve-spar-1.jpg)