Pietenpol-List: new to the forum
Posted: Tue Oct 30, 2012 4:24 pm
Original Posted By: Jeffery Hammer
Subject: RE: Pietenpol-List: Attatching ribs to spar?Fred-- there are lots of ways to do this but I preferred to glue and nail the ribsto my spars---not required but it gave me assurancethat they weren't going to move around. Technically after you tighten your dragand anti-drag cables the ribs should not be ableto move anywhere and some guys have done it like this without glue or nails butfor me I just wanted a dab of glue and two nails, nothing fancy but enough to satisfy me. I know the weather in PA isn't conducive to this right now but I ended up sprayingmy wing with diluted spar varnish (mineral spirits to thin) on a set of sawhorses on a limestone driveway back when I built my plane and thatworked like a charm. I used a Hudson spray containeror bug sprayer like you'd find at a garden department and I think it was a 1.5,2.0 gallon plastic one. The varnish gets in all the nooks andcranies and you have to flip the wing over of course a time or two while dryingso you minimize drips but overall it was a great, fast, and easyway to do the job. I ended up using Helmsman Quick Dry spar urethane from Lowe'sor Home Depot and thinned a bit more with mineralspirits so it would spray well. It took three sessions to get the wing coatedlike I wanted with some finish sanding around the edges and wingrib top and bottoms where the fabric was going to lay so the little porcupine bristlesof the wood fibers didn't show. Mike C.Cleveland, OH________________________________________________________________________________Date: Tue, 30 Oct 2012 17:27:39 -0400Subject: Pietenpol-List: new to the forum
Subject: RE: Pietenpol-List: Attatching ribs to spar?Fred-- there are lots of ways to do this but I preferred to glue and nail the ribsto my spars---not required but it gave me assurancethat they weren't going to move around. Technically after you tighten your dragand anti-drag cables the ribs should not be ableto move anywhere and some guys have done it like this without glue or nails butfor me I just wanted a dab of glue and two nails, nothing fancy but enough to satisfy me. I know the weather in PA isn't conducive to this right now but I ended up sprayingmy wing with diluted spar varnish (mineral spirits to thin) on a set of sawhorses on a limestone driveway back when I built my plane and thatworked like a charm. I used a Hudson spray containeror bug sprayer like you'd find at a garden department and I think it was a 1.5,2.0 gallon plastic one. The varnish gets in all the nooks andcranies and you have to flip the wing over of course a time or two while dryingso you minimize drips but overall it was a great, fast, and easyway to do the job. I ended up using Helmsman Quick Dry spar urethane from Lowe'sor Home Depot and thinned a bit more with mineralspirits so it would spray well. It took three sessions to get the wing coatedlike I wanted with some finish sanding around the edges and wingrib top and bottoms where the fabric was going to lay so the little porcupine bristlesof the wood fibers didn't show. Mike C.Cleveland, OH________________________________________________________________________________Date: Tue, 30 Oct 2012 17:27:39 -0400Subject: Pietenpol-List: new to the forum