My RV design tour, still in progress

A new detailed design for converted cargo panel van as a motorhome for a couple.
the design provides the following features :
The van is L3H3 van type....
the dimensions for accommodation area are shown in the video
It has:
- 200 liter fresh water tank inside the van.
- More than 70 liter grey water beneath the van.
- 31 liter LPG tank inside the van..
- Stove burner using LPG
- Induction oven (220 V).
- Washing machine with dryer, top door. Small size (220 V).
- Shower cabin 65 cm* 65cm with thermostatic water mixer.
- Portable toilet.
- Wardrobe
- Sofa.
- Air heater (using LPG)
- Air heater (using electrical)
- 2 roof Maxxair fans 12 v.
- Roof air conditioner 220 v.
- 10 *100 watt solar panels with total 1000 watts
- 4*280 Ah AGM batteries with total of (280*4 =1120 AH and since the AGM batteries can be discharged to only 50% of it`s capacity so the total Amps are 1120/2= 560 Ah) equal to 560*12=6720 watts.
- Battery isolator to charge the batteries from car engine alternator (150 Ah)
- 3500 continuous watt inverter to convert from DC to AC .
- 3 way refrigerator work using (12 volt or 220 volt or LPG)
- kitchen sink 40cm*50cm* depth 20cm
- 2 Side windows that can be opened one on each side for natural ventilation.
So.. For ("air and water" heating & cooking & refrigerator ) there are 2 power sources.. The main source is electricity and if the sky is cloudy then LPG will be used instead. The electricity power generating and storage is big thus the main source of power is the electricity, thus in case of emergency using LPG lasts longer and this mean more time off the grid enjoying your freedom.
What do you think?! tell me in the comments
#van_life
#motorhomes

[@drsaraelzeiny1359]

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[@SASplatform]

Thanks, feel free to give your feedback.