The last part I needed to work on was the trim tab. It wasn’t as hard as expected, but it did require a little bit of attention to make it right. The results are decent, just a few things that I would probably get better if I get the chance to work on another one.
Finally I installed both elevators into the horizontal stabilizer to adjust the movement as required. After some trial an error and few minor adjustments I got it to the point where it moves freely a little bit more than what asked on the plans. Next step is going to be fiberglass tips. I already started to work on fitting them and the results are quite good. Once I buy the supplies I need I’ll just get them done to do not have to work on them later.
The right elevator was the hardest part to build so far. Now that I’m working on the left side things are going a lot better, and easier. Just for future reference, theseare things that I learned that makes it simpler:
Dimples on the skin to spar area are not nice and resulted in my worst looking rivets so far. For the second elevator I asked my wife to help by holding the skins while dimpling and results are really good.
It was hard to rivet the stiffeners and spars. I found that the easiest way was to open the skin at least 90 degrees, and hold it from the outside (it is not going to break). Once you do it that way, and have better dimples results are good.
Riveting the counterbalance ribs to the main spar is a lot easier when the skin is still open. I got all but two rivets on both skin to spar and skin to ribs done pretty easy.
Trailing edge came up pretty similar to the rudder. Nothing really bad, but not as good as I would like.
The elevators are pretty simple assemblies, but require a lot of attention to detail, and it is pretty easy to make mistakes. In the future I may re-do it, but overall I think is OK.
Felt pretty cool getting to test fit the elevator on the horizontal stabilizer. 🙂
Once the trailing edge was bonded I followed the instructions on how to back rivet the trailing edge. The process was very straightforward and took arround half an hour to complete. The results are decent, but I still need to find out why I’m leaving some marks on the skins that I did not get on the stiffeners. I think that it may be related to having the epoxy under the skin, but not sure.
The last step was to get the leading edge done. I started on the smaller part towards the tip of the rudder. It took me three tries to get it right, but once I built a small tool to bend inwards the 1/4″ on the border of the top skin I got pretty nice results.
The past two weeks I’ve been working on the last few details before I start building. I spent a couple of days making one more table that I should be finishing soon. I also built a small one to install my drill press and grinder.
Regarding tools the idea is to get a basic kit from Cleaveland Aircraft Tool and keep adding more as needed. I’ve been looking around to buy some of the more expensive tools used, and already have a list of what I may add in the near future.
Having the parts home and not being ready to work on them has been a little bit hard :). That’s why at least some preparation has been going on. I started to prepare the front and rear spars, duoblers and ribs. I also fabricated the HS-908L&R. Not a lot, but enough to keep me exited.