The diameter of the tunnel depends on the chosen thruster. These tubes are made from GRV (glass fiber reinforced vinyl ester). Vinyl ester has the same strength as polyester but a better ability to withstand water absorption.
| Make | Craftsman Marine |
|---|---|
| Manufacturer | Craftsman Marine |
| Model code | BG.250.21100 |
| Type | Tunnel |
| Propeller Diameter | ø250 mm |
| Length | 1.000 mm |
| Additional info |
The diameter of the tunnel depends on the chosen thruster. These tubes are made from GRV (glass fiber reinforced vinyl ester). Vinyl ester has the same strength as polyester but a better ability to withstand water absorption. |