I was trying to find a good way to hold my top hinged windows open, other than using a stick of wood that could fall out, especially on real windy days. I was looking for something that would telescope, so it would be easy to adjust how far the window would be open. Maybe a piece of PVC inside each other and use a pin to go through both pieces, to make different lengths. It would work but I couldn't think of a way to mount PVC to my windows. I was looking around and saw my bimini for the boat. I have extra support pieces, in case one happens to break. I got them out and came up with this idea for my windows. It will hold them open and no chance of wind blowing them open or closed. A 7/8 dowel rod fits inside the support end. I cut 4 different lengths of dowel for each window, so I can have options of how far I want each window open. A set screw holds the dowel in place, but I changed out the set screw with a thumb screw, so I didn't need any tools to change dowels. I purchased the bimini parts on walmart.com, it's the same ones I use on our boat. You can find other places that sell bimini parts, if you don't want to get them through Walmart or they stop carrying them.

I don't have the set screw changed out with the thumb screw in this picture, but you can see where the set screw is holding the dowel in place.
window support 1.jpg


window support 2.jpg


You will need 2 of each of these, for every window.
window support 4.jpg


window support 6.jpg