Hey Spruce! Good to see your post. As helpful as ever. So is 805kg payload not enough? All I need is a 500 litre water tank installed. I've seen a transit connect T220 with 400 litre installed. T260 should be cheaper to run than T280 as well I think. I just spoke to a supplier and they told me 800kg capacity is plenty for a 500litre tank
The supplier may or may not be right - depending what you want to carry. Personally, I think that allowing only 300kg for the driver, diesel, other tools (possibly a ladder for some jobs?) etc. may be pushing it - but I don't doubt that it can just be done if you are average body weight and minimalist in other areas. It really does depend how you work and whether you're a fat git like me.
....and me.
Yes you are right. A 500 liter tank full is pushing the upper reaches of the payload limit. The van will of course get lighter as the day progresses.
When SIL started he used all his water every day. However, although experienced at window cleaning he was new to wfp. As he took over a section of customers we were already servicing he didn't have any first cleans to do. He just needed to perfect his technique which he did very quickly.
He now uses about 350 - 400 liters a day, so doesn't usually completely fill his tank. Amazin will probably end up doing the same once he is wfp experienced, so will short fill his tank. But its always good to have the extra reserve capacity available should it be needed.
When we started wfp I bought a trailer with 3 x 125 litre tanks fitted. I also carried 100 litres in the van. It was never enough to last the day. We didn't have flow controllers back then and we flooded the windows with water from 3mm jets. As we couldn't keep up with that water flow, we wasted a lot of water.
We purchased one of the first Varisteams and it made a huge difference to our working day. Now we had enough water to last us another couple of hours and I hardly ever used the reserve water on the van. we weren't working as quickly but we earned more a day overall because we reduced the water that we wasted.