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--- opinion:frater_secessus:cheap_build [2020/08/25 17:59]
frater_secessus created
+++ opinion:frater_secessus:cheap_build [2020/10/11 19:48]
@@ Line 1: / Line 1: @@
-====== building out a camper on the cheap ======
-Building a functional camper on a big budget is easy;  doing it on a budget requires research and patience.
-> > Tips and tricks to being a cheap o?
-===== expectations =====
-  * It is cheap to think of the camper as a camping tent on wheels.  It is expensive to think of it as a mobile apartment.
-===== the van =====
-  * Consider a mommy van or minivan instead of a Sprinter.
-  * get a mechanic's inspection
-  * plan your moves in advance to save on fuel costs.  Use "economy" routing rather than "fastest time" routing.
-  * drive slower
-===== power =====
-==== loads ====
-  * avoid heating/cooling with electricity you make offgrid.  Use propane or similar for heating and cooking.
-  * avoid using power-hungry PCs or laptops.  Use a tablet, chromebook, phone, or other low-power device.
-==== solar ====
-  * Buy larger/higher-voltage panels which are cheaper by the watt.((this will require MPPT controllers for nominal 12v banks))
-  * if you are using PWM controllers, choose poly panels vs mono due to their higher Imp rating.  When choosing between poly panels at the same price point, pick the one with the higher Imp (and thus lower Vmp)
-  * if you are going to be deep-cycling the batteries every day((like to 50% [[electrical:depth_of_discharge|DoD]])) consider using a dirt-cheap [[electrical:solar:shunt_tweaking|shunt controller]] rather than PWM.
-  * [[electrical:solar:overpaneling|overpanel]] your MPPT controller;  +10% is optimal, and 20% is reasonable [[opinion:frater_secessus:panelsizesforinsolation|in challenging insolation]].
-==== batteries ====
-  * avoid convenience items like "[[lifestyle:faq_solar_generator|solar generators]]"
-  * use 6v deep cycles in series rather than 12v singly or in parallel
-  * use flooded rather than AGM.  If you need massive current, use lithium rather than AGM.  LFP lithium and 6v deep cycle have very similar costs in the long term.  AGM costs 2-4x as much per lifetime kAh.

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