Resources
Trawler Forum
This site is dedicated to "Trawlers" which is how many people classify the Mainship 34.
To post you need to join which is painless and free.
There is a section dedicated to Mainship (labeled "Marlow-Mainship" but its 99% Mainship.)
https://www.trawlerforum.com/forums/marlow-mainship.11/
Down East Boat Forum
This form is focused on "Down East" boats which the Mainship isnt really classified as but its a great source of information on a variet of topics such as maintenance, engines, bottom paints, fiberglass techniques and sourcing.
Joining is painless and free.
https://downeastboatforum.com/