If vacuum bagging is used to glue foam to wood or wood to wood for example, peel ply is not necessary because foam and wood have a ready-to-work surface. when the workpieces are coated or saturated with epoxy as appropriate and all layers have been stacked, the bag is closed and a tiny hole is poked in a corner for the vacuum cup.. Robin air 15150 vacuum pump is a two stage rotary vane vacuum pump. from a practical standpoint all of our rotary vane pumps pull the same amount of vacuum, the difference is how many cubic feet of air per minute they can move (cfm). the larger pumps will evacuate a vacuum bag faster and overcome small leaks better than the smaller pumps.. About "stitch & glue" plywood the vast majority of stitch and glue kayaks is built from 'marine plywood' which is overall an excellent choice but marine plywood is generally limited to only a few unimpressive looking wood species and predictably, kayaks built entirely from such material do look accordingly..
I reckon if someone was to build a stitch and glue boat, what are the pros, cons and other various things, is it a good idea of fiber-glassing (resin or both resin and fiber glass) the pieces first before you stitch and glue the boat together? bag infusion + lite rtm : plumbed vacuum system. Stitch-and-glue construction, along with the development of epoxy and modern mahogany marine plywood, has revolutionized and revitalized wooden boat building. this method of building is not only stronger, lighter, and faster than traditional wooden boat building, but it also takes far less skill. with stitch-and-glue construction, no strongbacks, forms, or temporary frames are required to. How to build a foam sandwich composite boat foam sandwich manual from bateau2.com tutorials. you will push the glass and resin down either with a vacuum bag or with another panel and weights. the foam pads are easy to cut from leftover foam and eliminate the need for the putty fillets used in stitch and glue. when some parts of the hull.
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