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 > Bigfoot Camper - Major Modifications I'm Considering...

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3 tons

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Posted: 08/19/22 12:06pm Link  |  Quote  |  Print  |  Notify Moderator

mkirsch wrote:

I don't know by what magic you can get by with running the AC 30% of the time in anywhere near 100 degree heat. Maybe if you're parked in the shade, but the issues with that should be obvious.


30% is your number not mine, which is actually closer to 50-60% duty cycle (beyond 1 hr initial cool down…), however you’re speculation is duly noted - FWIW, I don’t know what type of equipment you have (??), and note that we’re in LOW humidity (not east coast…), but it’s not uncommon to hear similar disbelief from Lead acid folks…Rig size, on board equipment and region are all significant issues, and I never implied this could go on indefinitely, nor is it for most everybody - just that for us it is a major convenience that often works very well, but came with a price tag…

3 tons

* This post was last edited 08/19/22 12:35pm by 3 tons *   View edit history

Grit dog

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Posted: 08/19/22 12:21pm Link  |  Quote  |  Print  |  Notify Moderator

mkirsch wrote:

I don't know by what magic you can get by with running the AC 30% of the time in anywhere near 100 degree heat. Maybe if you're parked in the shade, but the issues with that should be obvious.


It's all about what one is willing to spend for something they perceive as a necessity or a convenience. Spend $______ for the convenience of not listening to or having to break out a portable generator during a lunch stop is not something I would do, for occasional use like the OP.
Calculated decision and expenditure? Have at it. Last I checked, you're not spending my money on it, so let er rip.

The other point was and still is, and you said it...magic.
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JoeChiOhki

Sauvie Island, OR

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Posted: 08/19/22 05:09pm Link  |  Quote  |  Print  |  Notify Moderator

adamis wrote:

So I've had my Bigfoot for several years now and have been generally pretty happy. In recent communication with another member here, I've thought once again about some major changes I have toyed around in the past. I thought I would spell them out here and see what others think about the idea.

1. I want to change out my AC unit. The current one I have sits 17" high off the roof and stands out like a sore thumb. It's also very noisy. My first thought was to go to a 12v DC unit. More common in the trucker world but starting to be more available due to the Sprinter camper craze. Expensive yes but lower profile and allows for running off batteries.

2. Alternative to changing out rooftop AC unit is eliminating it all together by combining it with the furnace. I do not know if there are ready made solutions out there but I have considered doing my own fabrication project to combine these two units together. The clear benefit is not having a huge AC unit on my roof anymore for trees to snag and I can either add another fan / vent in the opening left behind or just glassing it closed.

3. I currently have 200w of solar and a single 100AH LiFePo4 battery. I can easily add another 200w of solar, maybe even close to 400w if I eliminate the AC on the roof for a totall of 400w to 600w of solar. I have plenty of space to add another 300AH of LiFePo4 batteries. Going this route would allow me to run my AC on batteries which really is the ultimate goal really. Nothing fancy or unusual here.

4. Eliminate the generator and possibly 1 of 2 20lb propane bottles. Right now the generator is almost never used. It is bulky, loud, and heavy. Yes, convenient once in a while but with a much larger battery and solar setup I can't see how it would every be used. If I eliminated the generator I would consider finding a fiberglass shop to close off the outside access panel completely. I could then repurpose that space for better under counter / sink storage with full width drawers or something. Eliminating one of two propane bottles just frees up additional space and more weight savings. A single 20lb bottle should last at least one if not two weeks for just fridge and stove duty.

So those are the thoughts I am kicking around. Some of these paths are well traveled, others not so much. None of this is really necessary to improve our current camping lifestyle, much of it is for kicks and giggles. So with that, I'm putting it out to all you "seasoned" camper gurus for your own thoughts.


If all you're doing is mild-climate winter camping, you should be golden [emoticon].


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jaycocreek

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Posted: 08/19/22 11:57pm Link  |  Quote  |  Print  |  Notify Moderator

G-Dog wrote:

Just let him run with the story. With the better part of 2 grand sunk into 2 different glorified jump starter packs (Jackery and Bluetti), it's a fair assumption that understanding is lacking.


Oh G-Dog..Oh so wrong...Again

I do not have a red cent into the Jackery/2-100 watt portable panels,they were given to me..As for the Bluetti,yes,I paid $399 for the 700 WH power station that has LFP(cylindrical cells) plus 700 watt PSW inverter/camp light and wireless charger for my phone..Quite handy in my truck camper to move around as needed..

So I guess your kinda right,I have $399 dollars wrapped up in a Jackery 1000 watt hour power station and two 100 watt portable solar panels and a 700 watt hour(55ah) Bluetti with LFP batteries...A fool I am..LOL

On topic,running an AC off of solar and LFP batteries is very do-able..So many things dictate how long etc the duty cycle will be,it's hard to guestimate how long it will run each time off of said battery bank and the power it needs..With the temp the same outside,sun directly on my TC makes a huge difference compared to it being in the shade where it cycles much more and uses less battery..

For me this solar thing is for kicks and giggles with three inverter generators(2-Honda's and a Igen 2200)that I don't use much anymore with solar, other than to power household things when the power goes out at home..

Good luck to the op and his choice for his needs..


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3 tons

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Posted: 08/20/22 08:06am Link  |  Quote  |  Print  |  Notify Moderator

Agree on generator, the last time I started my Honda 2200 was a year ago this month - not to say at some point I might not need it, but so far it’s just been an insurance policy that’s kinda a hassle to get in & out from a rather tightish wing compartment. Solar and Lithium have mostly negated the need, except for extended durations…

3 tons

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