IMHO: an H18 is an excellent, fun-to-sale, robust, and reliable boat. There are a few precautions I have found after going through this the last 18 months on a new-to-me boat. Here is my overly simple list of priorities:
Hull: Check for limited or no soft spots, especially near or in front of the front cross-bar. These can be a big headache (but usually not the end of the world). Abrasions and dings are generally easily repaired.
Crossbar reinforcements: Front reinforcement bracket is a must for heavy seas = ocean or great lakes equivalent or strong sailing. Rear reinforcement recommended for heavy seas. Cost to do this averages about $100 per cross-member plus a few hours of labor.
Side-stay anchor bolts: check for anything unusual (cracks, looseness, etc.) and be sure there are hull anchor brackets installed.
Sails: No tears, rips, chafed, or UV degraded spots. Major issues here generally result in sail replacement or restitching.
Rudder Mounting: Gudgeons should be firmly mounted to transom (no looseness or cracks in the fiberglass).
Shrouds and sheets: should be replaced at the first signs of abrasion/wear.
I'm sure others with more wisdom than I will chime in.
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Jeff R
'88 H18 "Jolly Mon"
'10 C2 USA1193
NE IN / SE MI
cramsailing.com--