| เครื่องวัดกระแสน้ำ | No | 12669 | ||||||||
| เครื่องวัดกระแสน้ำ | By | Cable way | lbs | |||||||
| ยี่ห้อ | A-OTT | |||||||||
| Model | V "ARK" | |||||||||
| Test certificate by | A-OTT | year1966 | ||||||||
| 1 | Propeller | No | 1 | if n | < | 0.71 | v = | 0.2245n | +0.028 | m/s |
| if n | > | 0.71 | v = | 0.2455n | +0.013 | m/s | ||||
| < | 2.89 | v = | 0.2455n | +0.013 | m/s | |||||
| if n | > | 2.89 | v = | 0.2500n | ||||||