Trim Tabs-control horns & Start of Fuselage
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Plans & Book Aft Fuse & start Center Section
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Top
Row
Photo #1 - This is a top view photo of the left elevator trim tab. I later decided to add another one to the right side. At this point I still didn't know what kind of an engine I was going to install. Photo #2 - This shows one of the two elevator control horns. I made them large enough to have 3 adjustment holes on each end. If later I decide the outer holes are not needed then it will be cut down in size. Photo #3 - Originally I wanted this horn placed higher on the rudder but figured out that it was too high to work smoothly with the tail wheel control arm so moved it to the bottom of the rudder for a better angle. Many times and many things were redone - some over and over and over until I got it the way I wanted it. Photo #4 - Laying out upper and lower longerons for both sides and gluing all angle joints. I simply drew the structure I wanted directly on my 3/4" particle board table top and began cutting and gluing. This is where I first starting using Grizzly Glue and am very, very impressed with it. It is a one part polyurethane that sets up in 2-4 hours with a 24 hour cure. In my opinion there is absolutely no comparison between it and T-88. I intentionally dropped this framework on the concrete to see how it would respond to the SHOCK treatment, just as I had done with the tail feathers cured with T-88. This framework survived. The T-88 had shattered which is why I went to Grizzly Glue. That plus a stupid answer from Systems 3 (T-88 people). Their response was to glue it back together and quit worrying. Guess you can respond that way when your ass isn't on the line........ so naturally it pissed me off. Photo #5 -
Modest clamping of joints with the glue bubbling out. This is the only
negative I have for Grizzly Glue. This is the interesting part
of Grizzly Glue. You first mist it with water, then apply the glue
to one surface only, then after about 30 minutes or so it begins an expansion
process that literally shoves glue everywhere. Hard to have voids
that way. My main concern is to get the joint perfect. After
it sets up it is easy to bring in the parameter lines. But in this
photo you can really see the Grizzly oozing out of the crack after about
a 30 minute set up. There was none at the start of the gluing process.
Bottom Row
Photo #2 - A photo of a perfect 3 way joint. Tried to get them all perfect and think I succeeded. Each piece was a snug but not tight fit. Photo #3 & 4- When
in doubt grab a piece of pine. Over the years I have found that if
I have a perceived problem, then I just need to figure out how I would
do it backwards. Yup .... backwards. Here I foresaw the tail
post fit problem. Both sides need to be tapered so that at the far
aft end they would be 3/4 inch wide and fit snug and flush with each other.
In this case I figured the fuselage post would need an 11.5 degree taper.
Same for the top and bottom longerons. So after I did one in pine
and was satisfied I could do it without screwing it up, I made them from
spruce and glued them in.. Just have to remember a right side and
a left side. You are looking at the left side. In the far right
bottom of the next photo you can see the longeron taper. (4-08-01)
Photo #5 - Just me showing off my first full sized fuselage side ever !!! Previous Page
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