My boat had a bilge blower vent system installed in the diesel days that is still there. I use propane for cooking and also have an on demand hot water heater on board. A switch in the galley turns a propane valve located in the propane locker on and off. I am also installing a propane alarm. My brushed LEMCO motor sits well above the bilge and so far I have not had any issues. Between the bilge blower and alarm things should be covered should a leak develop.
http://biankablog.blogspot.com
Hi Dan,
You are starting with a flawed premise.
Ignition-protected devices must be used within LPG/CNG compartments,but properly installed LPG/CNG systems may use non-protected devices in the accomodation spaces, and in areas that are adequately ventilated (15 sq. inches per cu/ft volume) to the exterior.
Refer to ABYC E-11 11.5.3 Ignition Protection.
How's that for a short discussion?
-Tom
--- In electricboats@yahoogroups.com, "dan.randolph" <danlrandolph@...> wrote:
>
> So Canada and the US both disallow the use of brushed motors inside a boat if it has a propane stove. Yet several of the well respected, by this list, purveyors of pre-assembled options use: Perm or Lemco (all variations of brushed Lynch motors).
>
> My question: is this (use of brushed motors inside) a serious issue (assuming all the proper propane use precautions, such as turning off gas at tank when not in use, shut off switches in cabin, and sniffers), or is it an example of poor self management leading to regulation that with proper management is not needed.
>
> Brushed motors have significant advantages that obviously lead some towards their use. Yet burning in a boat at sea is not something to be laughed at.
>
> Looking forward to a lively discussion.
>
> - Dan
>
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