The Registry of Home-Built Boats EST. 2026
Built & Launched The Registry of Home-Built Boats
Register Your Boat Login
News

Built & Launched is a brand-new registry dedicated to preserving the boats people build and the stories behind them. Help us grow the fleet—add your home-built boat and become part of the registry from the beginning.

View Photograph

Built & Launched Registry

RPV Maritima

EndeavorCat 34 Cutdown · Cruiser

Registry No.
BL-000003
Hailing Port
Cambridge, Maryland, United States
Status
Under Construction

Under Construction

At a Glance Registry particulars
Builder
Randy Cain
Design
EndeavorCat 34 Cutdown
Length
34′10.4 m
Status
Under Construction
Hailing Port
Cambridge, Maryland, United States

A former sailing catamaran cutdown into a dual deck solar trawler.

The Story

In the builder’s words

The Renewable Powered Vessel RPV Maritima is being built from a 1996 EndeavorCat 34 sailing catamaran. See's 100% solar and has no fuels onboard. When finished, she'll have two decks with 2 meters of headroom throughout. She'll carry 18x 410W solar panels and 115kWh of 96V batteries. She'll be capable of cruising at sailboat speed (~4 knots) 24/7/365. She has 2 queen size staterooms, two heads, separate shower, workshop, large cargo hold, and roughly 450sqft of inside living space.

Vessel Website Visit Vessel Website

The Build

One milestone

  1. JUNE 2021

    The Build Begins

    From her record From her record

Build Gallery

11 photographs

This is what she was in her first life.
This is what she was in her first life.
One of two ME-1616 PMAC 24kW Rated Electric Motors
One of two ME-1616 PMAC 24kW Rated Electric Motors
The area to build the upper deck on.
The area to build the upper deck on.
Rendering of the planned layout, upper deck
Rendering of the planned layout, upper deck
The skeleton of fiberglass pultrusion frame members that separates the two decks.
The skeleton of fiberglass pultrusion frame members that separates the two decks.
Built upside down in Taylor's driveway on Tilghman Island.
Built upside down in Taylor's driveway on Tilghman Island.
Cut down then build up.
Cut down then build up.
The upper deck floor takes shape.
The upper deck floor takes shape.
Over 100 4x8 sheets of honeycomb core becoming composite panels.
Over 100 4x8 sheets of honeycomb core becoming composite panels.
Preparing for additional new bulkheads.
Preparing for additional new bulkheads.
Half of the lower deck bulkheads are in!
Half of the lower deck bulkheads are in!

The Dockside Conversation

Notes on RPV Maritima

Questions, encouragement, and hard-won building knowledge from the community.

1 comment

  1. Norm Johnson Founder Member

    Comment 1 ·

    Very ambitious and creative build. I see you building in the open air at this point. Will you move to cover at some point?

Add to the Log

Leave a comment

Be specific, generous, and useful. Your email is never displayed.

Plain text only. Keep personal information and private contact details out of public comments.

Published immediately; the builder can ask an administrator to review it.

Keep Going

Continue exploring

Every boat here was built by somebody, in a garage, a barn or a driveway.

Take me somewhere →
Heron — under construction

BL-000007

Heron

Newest Boat

Design
Peregrine 18
Hailing port
Travelers Rest, South Carolina, United States

Launched 2023

View vessel

James loves to help and check on progress!

BL-000005

KATE

Design
Candu E-Z
Hailing port
Middletown, NJ, United States

Under Construction

View vessel

More Cruiser Fleet Map The Whole Fleet