13.2 Tab and actuator installation Planning When deciding where to mount the tabs, there are several things to consider. Be sure you have considered all these items and perform a test fit before drilling any holes in the hull. • The outboard edge of the tab should be inboard 1”-4” (25-100 mm) from the chine. The further outboard the tab, the more effective it is for controlling the side-to-side level of the boat. • The edges of the tab should be at least 2” (51 mm) from a hull strake, if possible. • To avoid interference with the engine, the tab must be at least 8” (205 mm) from the drive centerline. 13.2.1
WARNING! Read all provided instructions and manuals thoroughly before beginning any installation. Before drilling holes in the hull, always check that there is nothing in the hull that might be damaged, such as fuel or water tanks, electrical wiring, hydraulic steering hoses, etc.
TH
1/4" (6 mm)
CHINE
1"–4" (25–100 mm)
>8" (205 mm)
>2" (50 mm)
CL
Figure 14-2.
• There must be space behind the transom for the actuator harness to enter the boat in a dry location away from sources of heat. • There are different tab configurations available and they will have different transom height (TH) requirements as shown in figure 14-3. The actual transom height will vary with the angle of the transom, so the maximum value for TH is shown. • To ensure the tabs do not drag when retracted, they must be tilted up from the hull level. The longer the tab, the greater the height above the hull level at the trailing edge of the tab, as shown in figure 14-4.
13-2
EN
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