APPENDIX 3 HOW TO INSTALL THE RETRACTION TANK FOR WOODEN VESSEL
AP-10
Recommended dimensions for the faring
• Length (bow-stern direction): R. P + 100 mm or more (700 mm or more recommended)
• Length (both sides direction): Pipe O.D + 100 mm or more
• Diameter 1: Pipe O.D + 1 mm
• Diameter 2: Pipe I.D + 1 mm
• Distance between the bottom lines of the fairing and PVC pipe: 30 mm
Note 1:
Be sure the fairing does not interfere with the raising or lowering of the transducer.
Note 2:
Streamline the fairing to keep water pressure and bubbles minimal.
Note 3:
If the height of the fairing is less than 300 mm, install a wooden reinforcement block on
the inside of the hull.
Reinforcement block
Fairing
≥ 50
Keel
≤ 1000
Keel
Rib
≥ Pipe O.D + 100
≥ 700
Pipe O.D
Pipe I.D
Diameter 2
Diameter 1
≥ 300
30
Rib
Rib
Rib
Rib
≥ 300
≥ 300
R. P
R.P: Rib pitch
Pipe I.D: Inside diameter of the PVC pipe
Pipe O.D: Outside diameter of the PVC pipe
Case 1
(No reinforcement block)
Case 2
(With reinforcement block)
Summary of Contents for CH-500
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