15
5251
5
2022
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SPS-B
MC_0207
Fin Modifi cation
Stabilizor fin GRP Repair.pdf 1 28.04.2011 13:49:06
In case of the fi n positioning being so that you need to cut down some
of the top aft end of the fi n to avoid it hitting the hull (very typical on
planning boats with hard chines), please do so as per the instructions
below.
Mechanical Installation
Defi ne the optimal position of the stabilizer fi ns.
1. Drill a 21mm pilot hole at the fi n shaft centre line position externally through the yachts hull.
2. Using the pilot hole as centre line mark and cut a Ø230 mm diameter hole from inside the boat using a suitable cutting Jig & tool.
3. Adjust the surrounding hull to a thickness of 49mm (Sealant included) (SPS55B) and ensure that the internal and external surfaces are parallel
and flat.
MC_0216
!
Please refer to the graphic for special considerations relating to your model
!
IMPORTANT
Reinforce the hull for the stabilizer installation in accordance with a naval ships architects recommendations.
MG_0218
2
1
3
IMPORTANT
Tolerances for the hull
thickness is +0/-3mm - the
thickness of the hull must
NOT be larger than 49mm.
Hull
External surface are parallel and flat
Remove or build up the
surrounding area to reach
a thickness of 49mm