Editing Proa (section)

===Munroe's 1900 Proa===
[[Image:Munroe 1900 proa.jpg|thumb|right|R. M. Munroe's 1900 proa]]
Since Munroe wasn't aware of the raking mast, his 1900 model used two [[daggerboard]]s set fore and aft of the mast, which would allow adjustment of the center of lateral resistance to provide helm balance. From the drawings, it appears the mast is higher as well, allowing a larger sail. The sail design also changed, with the upper spar now being slightly longer than the upper edge of the sail, and projecting past the apex slightly to allow the apex to be attached to the hull. The sail was loose footed, with the boom attached to the upper spar near the sail apex, and to the clew of the sail. His article in a 1900 issue of ''The Rudder'' included more details on the construction of his second proa. A 1948 book of sailboat plans published by ''The Rudder'' includes the following specifications for the 1900 proa:

* Length overall {{convert|30|ft|m}}
* Beam (of main hull) {{convert|2|ft|6|in|m}}
* Draft of hull about {{convert|5|in|cm}}
* Draft with boards down {{convert|2|ft|5|in|m}}
* Sail area {{convert|240|sqft|m2}}

From the drawings, the distance from the center of the main hull to the center of the aka is about {{convert|12|ft|m}}.