All archs have 4 weak points !the two top 90 degree corners and the two mounts where they are fixed down . depending on what gets loaded on top and how much weight is there will determin the amout of movement and the forces involved so just be aware !!. The sail arch is now mounted on both feet. here you can see it just after launch. we used the narrowest arch, and the one that was offset in order to accommodate our small stern. the sight lines flow quite well, as it is the same scaling from dodge, to bimini to arch. they are easily strong enough for two men, or a small boy jumping off.. Boat radar arches. if you're looking for a new oem radar arch at an outstanding price, you've come to the right place! great lakes skipper has thousands of discount new and replacement boat parts in our inventory, including radar arches made by rinker boats and four winns for cruiser yachts, baja boats, tracker, and more marine brands..
We take the lines of your boat and mirror them into the design of the radar arch. from the side, we use the windshield, cowling line or front of the flybridge. from the aft looking forward, we use the cabin or windows to crown the top of the radar arch to pick up the lines of your rooftop, canvas and decks.. Tramm arches is a talented aluminum welding, radar arch design studio and manufacturing facility. we specialize in aluminum radar arch design and manufacturing for high-profile boats, yachts, and ships. we design and develop aluminum arches that ultimately are seen on sea-faring vessels everywhere around the world.. Kato marine has been builidng sailboat arches for 20 years. since we started our criteria was that the arches should be; (a) aesthetically pleasing, (b) strong, functional and made from stainless steel, and (c) finished to kato’s usual high standards..