by TALEMKE » Mon Nov 13, 2006 6:49 pm
Ira, this caravan is based on an English design, which is probably used by the Irish Tavellers. I have used several materials for the top. The material I used for the latest caravan design, like in the pictures is a 10mil polyethylene tarp that I bought a Lowes. I wanted the lightest and lowest cost material I could find. The orignial caravan that I built used a polyester canvas material tlike that used for awnings and boat covers etc. I have five years and several thousand miles on the polyester material and it still looks great. It is stored outside under some trees. I have something under a thousand miles on the poly tarp, but it shows no sign of wear. The top can be stretched fairly tight during construction and is well supported so it doesn't flap in the wind. A couple of days in the sun seems to shrink it a bit for a tight fit. The soft covers seem to be very practical.
I do have some concern about UV exposure of the poly tarp in tropical environments, but this heavy duty cover should last several years even under pretty severe sunlight. In any case, they should be pretty easy to replace. I am looking forward to trying out some other materials as well - such a Tyvek. That would be extremely light weight and permeable to water vapor.
I would like to have a beautiful caravan like the one shown in the picture. That is a magnificent one. It wouldn't take a whole lot other than time and talent to closely reproduce one like this. The basic construction is similar. I have seen caravans with simple stencilling that look pretty good. My initial goal, has been to provide something basic. SOmepeople are good at the paintings, others make the canvas. I am afraid I am a canvas-maker.