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Building the 'Foldo' folding dinghy, continued:
Close up showing how keel hinge fits on the jig.	Assembled keel strake complete with spacers fixed to the jig at either end. Prior to glueing, the hinge-hose will be sanded to roughen up the surface of the hose and degreased with lacquer thinners.
The glue used for glueing the hinges (and later the PVC sheeting closing in the transoms) to the plywood is a single pack Polyurethane. I managed to get KLEIBERIT 501 PUR, an excellent glue. Comes in a 500ml dispenser and one pack was enough for the job. To ensure that the hose is pressed down evenly during gluing, a 9mm plywood strip is placed on top of the hose, spreading the pressure applied by the batteries.	Locating screws on the keel strake that is purposely over-long. Most of the glueing pressure is provided by weights (batteries), but at the ends a few clamps are more effective.
The bottom and topside panels were joined next by glueing the 'hinge' hose on. Staples were used and to ensure easy removal of staples they were punched in through webbing.	Close up showing webbing and staples, also 'sqeeze-out', which in the case of PU glue expands into a foam.
Most of the staples are removed by pulling the webbing off, the occasional staple seemed to escape and had to be pried out.	After glueing the hinge to one side (bottom panel), the two panels were turned over as a unit (clamps hold them together) and the other side (topside) glued on.
Cleaning up the 'sqeeze-out': the foamy mess is easiest removed soon after the glue has set up, by using a chisel as scraper.	Using the same technique the two hull halves were glued to the keel strake using the jig. Opened up it is already looking like a boat!

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