Archive of the Yahoo! Groups mailing list for the Bug hand-launch glider 2002-2018

From: "John Gospodarek" <John.Gospodarek@...>
Date: Sunday, May 9, 2004 10:30 AM
Subject: Re: Bug wing mounting block
I like to drill out a large hole (with a smaller opening below) and set in a nylon nut. It is easy to set with goop around the edges. No more hassle and never strips out. John --- In BugHLG@yahoogroups.com, "oldtalorcraft" <oldtalorcraft@y...> wrote: > I had problems drilling a straight hole for my wing hold down screw.I > dont have a drill press and the bit would always wander around.The > hole would be wallowed out or off center.( I do have sharp bits but I > think most of the problem is that the wood grain would draw the bit > one way or another)I also hate drilling things blind.If you have > epoxied the block in, and you mess it up,good luck! So I cut the 1/4 > by 1/4 block to length and then soak the end for the hole with thin > CA.It will soak up quite a bit, this makes the end like plastic and > the bit will "ignore" the grain and go straight in.I hold the block > in a vise or tack glue it to my work bench to drill it.I also pilot > drill it first with a 1/16 bit, this makes the final #43 hole slighty > smaller in diameter due to less wandering and that means more thread > and a tighter hold down screw. Last I put the screw through the wing > bolt hole and set the wing on the fuse and mark the fuse sides where > the screw goes in and then epoxy the block in where it lines up with > the marks I made. Rob