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Skiff with a single cylinder antique inboard. Similar to those in motor canoes, dories, and motor launches.

2012 Mystic Engine Show

Mystic Seaport Show 2014

Photos from Mystic Seaport Show 2013

Photos from 2011 Mystic Seaport Antique Engine Expo

Photos fromMystic Seaport Show 2010 and elsewhere on the board

Photos from Mystic Seaport 2009

Photos from Mystic 2008 and elsewhere on the board

Photos from Mystic 2007

Pictures from Mystic Seaport 2006 on the discussion board and elsewhere on the board

Pictures from Mystic Seaport 2005 on the discussion board

Pictures from Mystic 2004 on the discussion board















order a copy of OLD MARINE ENGINES
by Stan Grayson

Calvert Show 2014 info

Calvert Show 2013 photos

Calvert Show 2012 photos

Calvert Show 2011 photos

Calvert Show 2010 photos

Calvert Show 2009 photos on discussion board

Calvert Show Pictures 2008
on discussion board

Calvert Show Pictures 2007
on discussion board

Pictures from Calvert 2006 on the discussion board

Pictures from Calvert 2005 on the discussion board

Photos from Calvert Show 2004

Mystic Seaport Expo 2003
Calvert Engine Show 2003

Pictures from Calvert 2003

Pictures from Mystic 2002

Pictures from Calvert 2002
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2002 shows
Past years shows

This is the site for inboard marine engine research and information.  We are providing a forum for collectors, restorers, and users of antique (pre-1940) inboard marine engines 

Builders pre-1940.

Classified advertising for one-lungers, make'n'break, and jump-spark.
  • CLASSIFIED Buy, sell and post want ads for old marine engines and parts. This link will open a new window on affiliate site, MarineEngine.com. Be sure to come back.

How to build a 3HP launch engine
Complete plans and instructions

Discussion - questions and answers for antique inboard issues.
  • DISCUSSION - Message board for old marine engines. Ask your questions and answer others.
Info and advertisements of early builders such as Palmer, Lathrop, Acadia, Cady, Gray, Lozier, Termaat & Monahan, Truscott, Tuttle, and Buffalo
  • HISTORY & INFO  - Marine engine company histories, advertisements, and photos.
Technical articles on issuses such as machining, ignition, carburetors, castings, operating, and building marine engines.
  • TECHNICAL - Technical articles and information on engines, carburetors, ignition, gears, two cycle vs. four cycle, etc.
Early marine inboard engines are also known as one-lungers , make'n'break,  or make and break engines. They could be two cycle or four cycle design, but were most commonly two cycle, and could be single or multi-cylinder. They were built in large factories such as Palmer Brothers, Lathrop, Gray, and Lozier, as well as small local machine shops,  machining and assembling castings in limited numbers.  The focus for OldMarineEngine.com will be the pre-1940 engines built for motor canoes, motor launches, dories, skiffs, and other pleasure or work boats up to about 30' in length.  Thanks for visiting.
Links to maritime museums and marine museums with antique marine engines in thier collections, also associations and suppliers of marine engine related goods.
  • LINKS PLUS - Links for museums, personal pages, associations, suppliers, etc.
Store - Books, catalogs, reprints, How to build a 3HP Launch Engine
  • STORE - Books, catalog reprints, and plans.
e-mail us with your imput on pre-1940 inboard marine engines.
  • E-MAIL - Contact us with contributions of company histories or technical articles.  Any thoughts on how to improve this site are appreciated.
I hope that antique marine engine enthusiasts will find this site useful as a place to gain more knowledge and enjoyment of the hobby of collecting, researching, and restoring "one-lung" marine engines.  Your use of the site will help make it interesting and enjoyable for others.  If you have articles or historical information about marine engine builders or about a restoration that you have done, and would like to share it with other collectors, please let me know.  If you have suggestions for other items of interest to marine engine collectors and restorers  that we should offer in our store, I am always interested. Please also participate in the DISCUSSION and the CLASSIFIED areas of this site.

Click here for information on new engines of all kinds.

OldBoat.com - free classified for pre-1970 powerboats
Click here for pre-1970 powerboat photo classified

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