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Open Roads Forum  >  Truck Campers

 > Anyone with 12v Air Conditioning Experience?

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HMS Beagle

Napa, California

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Joined: 08/22/2003

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Posted: 08/31/21 05:59pm Link  |  Quote  |  Print  |  Notify Moderator

adamis wrote:

HMS Beagle wrote:

Not sure I'd build a camper with a 24V system. On the boat there are many high current devices (AC, watermaker, 3 winches, windlass, inverter) so a lot of big cable. With 24V you get half the current and can withstand twice the voltage drop, so the difference in cable size is quite large.


I'm curious HMS Beagle where you keep your boat up in the North Bay? My folks have a 47' Gulfstar Sail Master in Sausilito that they stay on 50% of the time. When I was in college at San Jose State I used to drive up there on a regular basis to visit. I'm now in Gilroy so I can't get up there that often but still try to visit on occasion. My dad is an active sailor (was a Merchant Marine for 30 years before retiring and buying the sailboat) and loves taking his boat out. He's also been sailing in the Master Mariners Regatta. Guessing you might be involved in some of the same circle of people as my Dad.

The sailboat is now in Brickyard Cove at Pt. Richmond. It took us about 12 years to get there from Toronto where it was launched. I'm not tied into the local crowd that much, as I don't race or belong to a yacht club. I also keep a small trawler up in the PNW - had the sailboat there for 4 seasons but there is no wind there so I sailed it home. A lifetime of boat ownership has gained me a lot of experience in DC systems!


Bigfoot 10.4E, 2015 F350 6.7L DRW 2WD, Autoflex Ultra Air Ride rear suspension, Hellwig Bigwig sway bars front and rear

3 tons

NV.

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Joined: 03/13/2009

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Posted: 09/02/21 01:32pm Link  |  Quote  |  Print  |  Notify Moderator

HMS Beagle wrote:

adamis wrote:

HMS Beagle wrote:

Not sure I'd build a camper with a 24V system. On the boat there are many high current devices (AC, watermaker, 3 winches, windlass, inverter) so a lot of big cable. With 24V you get half the current and can withstand twice the voltage drop, so the difference in cable size is quite large.


I'm curious HMS Beagle where you keep your boat up in the North Bay? My folks have a 47' Gulfstar Sail Master in Sausilito that they stay on 50% of the time. When I was in college at San Jose State I used to drive up there on a regular basis to visit. I'm now in Gilroy so I can't get up there that often but still try to visit on occasion. My dad is an active sailor (was a Merchant Marine for 30 years before retiring and buying the sailboat) and loves taking his boat out. He's also been sailing in the Master Mariners Regatta. Guessing you might be involved in some of the same circle of people as my Dad.

The sailboat is now in Brickyard Cove at Pt. Richmond. It took us about 12 years to get there from Toronto where it was launched. I'm not tied into the local crowd that much, as I don't race or belong to a yacht club. I also keep a small trawler up in the PNW - had the sailboat there for 4 seasons but there is no wind there so I sailed it home. A lifetime of boat ownership has gained me a lot of experience in DC systems!


If I were to choose to go this route (full disclosure, I’m not) I might consider the 24v unit were there to be a loooong cable run, and use a dc to dc converter to power up all other 12v devices…

3 tons

time2roll

Southern California

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Joined: 03/21/2005

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Posted: 09/06/21 12:14pm Link  |  Quote  |  Print  |  Notify Moderator

Here is one more 12v-24v vendor to look at:

https://undermountac.com/


2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
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