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My bath is approx 5 ft long x 20 in wide (standard) and when I shower the water used is usually 2in deep.  I have a 10ltr hot water tank in the caravan so the question is - does the maths equation for the amount of water in the bath equate to the amount of water in the caravan tank so that I should get the whole of the shower in hot water?

Otherwise, if the electric water heater is on and the gas water heating is on (if such a thing is possible)  will you get continual hot water with two amounts of power?

Carol

mathematician here who has no interest in a caravan shower,,,just use the site facilities, they are infinitely better.   and as we all know infinity means a lot more than a lot more

in answer to your question  you will need about 3x your tank capacity for that amount of bath water   but as we all know, a shower takes far less water than a bath

just get on with it  or forget the shower,, go smelly for a week and catch up when you get home    you can guarantee having plenty of space on site with this approach

An amusing collection of answers  Got my answer tho, not enough water!

 Perhaps one day some clever person will invent a caravan combi boiler so we could have continuous hot water, a tank the length of the caravan so we could wash and condition our hair and have a leisurely wash down.  Just joking!

I have used campsite showers, I am not too keen on being seen without makeup and with frizzy flyaway hair. Frightens animals and children.

Cheers

Carol

I think that this is the formula you are looking for. It works for us every time

P + W = Ph - K - Sw

where

P = pyramid water hog

W = Water to the top of P

Ph = Phil's shower

K = kaths shower

Sw = surplus water still in pyramid after we have both showered

...and the water is hot all the way through. Excellent system in our van

Phil

All I can say is thank goodness the shower doesn't last as long in a caravan as home. My 13 yr old daughter can spend half an hour in the shower at home, at which stage we start banging the door and reminding her to come out. In the caravan shes lucky if she gets 5 minutes Though she has been known to use the site facilities, when again she is gone for ages.

Paul

"known of many who have run out of water when covered in soap too. "

I saw that woman running to the tap to fill up her aquaroll. Covered in soap where it mattered. We parayed for rain

Phil

What you have forgotten is that you use water from the hot tank at 70deg C, which will scald you badly. So you cool it with cold water coming straight from the aquaroll. In practice you use equal amounts of hot and cold giving you 20litres of water. If you're carefull that's more than enough. In Winter though, when the cold water is colder you tend to use more hot than cold giving you probably 17litres total. Incidently the hot water also comes from the aquaroll as it has to make up what you've used.

We find that one person can have a very good shower, my wife tends to shower at night and I shower in the morning. No problem from one 40 litre aquaroll.

By using the practice of turning off the shower tap between actual need for rinsing, we find that there is more than enough hot water, and cold water when 40-litre aquaroll is full, for two people to shower and also wash their hair.  In practice though, we seldom both wash our hair on the same day.

Considering that we shower every day, there isn,t the need for prolonged scrubbing under the shower, to the extent that we run out of hot water.

Bertie.

OH is not so delicate as me, he doesn't mind the public facilities, so one less to bag hot water.  The reason for asking the question is because we have never used CLs due to them not having facilities so it is good to know that we could manage quite well, although as we are spending quite a time in France in June when the facilities seem to be unisex I am probably going to be using our shower all the time..

Thanks all

Carol