RCU Forums
0 2018/09/30 22:52:12
Once I was happy with the alignment of surfaces between the wing and the aileron, I began setting the G10 parts in epoxy. I still have a lot of shaping to do on the LE of the aileron. I also will need to at a cap to the TE of the wing and shape the wing TE to get the right coverage on the top.
Once I was happy with the alignment of surfaces between the wing and the aileron, I began setting the G10 parts in epoxy. I still have a lot of shaping to do on the LE of the aileron. I also will need to at a cap to the TE of the wing and shape the wing TE to get the right coverage on the top.
0 2018/09/30 23:32:53
Adding some views of the bottom to show the hinge points. Arms were lined up using a wire to first line up the right height for the points on the aileron and then later to located the holes on the arms from the wing TE.
Adding some views of the bottom to show the hinge points. Arms were lined up using a wire to first line up the right height for the points on the aileron and then later to located the holes on the arms from the wing TE.
0 2018/09/30 23:32:55
I opted to add a thin layer of G10 to ply rib that the DB/F rest on next to the aileron. This rib seems at risk to get crack off - it's just a matter of time!
I opted to add a thin layer of G10 to ply rib that the DB/F rest on next to the aileron. This rib seems at risk to get crack off - it's just a matter of time!
0 2018/09/30 23:33:31
0 2018/09/30 23:33:38
I was concerned about how exposed R13 was sandwiched in between the flaps and aileron. I gave a good bump on one and noticed it was lose. That made me think that I should go ahead and add a thin layer of G10 to keep this straight and strong.
I was concerned about how exposed R13 was sandwiched in between the flaps and aileron. I gave a good bump on one and noticed it was lose. That made me think that I should go ahead and add a thin layer of G10 to keep this straight and strong.
0 2018/10/01 22:53:44
Another view of the reinforcement to the tail of R13.
Another view of the reinforcement to the tail of R13.
0 2018/10/01 22:53:48
Here is the bottom view of the wing showing the hinge points. I used a wire to align the points on the aileron. Then I used the same wire to mark the drill points on the wing side arms. I finally got all things line up before setting the respective pieces in 30 min epoxy and hardwood shims. All in all, I'm pleased with the movement. I still need to add in the TE cap. On the top side, I'll need to radius the LE of the aileron and also extend the TE of the wing a bit.
Here is the bottom view of the wing showing the hinge points. I used a wire to align the points on the aileron. Then I used the same wire to mark the drill points on the wing side arms. I finally got all things line up before setting the respective pieces in 30 min epoxy and hardwood shims. All in all, I'm pleased with the movement. I still need to add in the TE cap. On the top side, I'll need to radius the LE of the aileron and also extend the TE of the wing a bit.
0 2018/10/01 22:54:33
0 2019/07/11 07:30:28
Changed out the control horn to this - a little bit more scale.
Changed out the control horn to this - a little bit more scale.
0 2019/07/11 07:30:30
I have the stab and elevator all set & hinged. I'm still trying to figure out if I'm going to go all out and make the controls internal in the fuse.
I have the stab and elevator all set & hinged. I'm still trying to figure out if I'm going to go all out and make the controls internal in the fuse.
0 2019/07/11 07:30:32
0 2019/07/11 07:30:33
0 2019/07/11 07:54:25
0 2019/07/11 07:54:27
0 2019/07/11 07:54:27
0 2019/07/11 07:54:27
0 2019/07/11 07:54:27
With the end cutout, I have lots of room to tuck the extra wire length into the wing.
With the end cutout, I have lots of room to tuck the extra wire length into the wing.
0 2019/07/13 10:12:44
A quick check of the surfaces look Ok. I want to repeat this with the wing assembled and some blue tape on the front of the stab and fin so I can actually see it. I noticed I'm a little left of center in this shot.
A quick check of the surfaces look Ok. I want to repeat this with the wing assembled and some blue tape on the front of the stab and fin so I can actually see it. I noticed I'm a little left of center in this shot.
0 2019/07/13 10:12:46
Making the wire harness. After ruining several of the pins, I realized that unlike the crimper I have at another location, this one is only for right handed people.
Making the wire harness. After ruining several of the pins, I realized that unlike the crimper I have at another location, this one is only for right handed people.
0 2019/07/13 10:12:47
0 2019/07/13 10:12:48
0 2019/07/13 10:12:49
Mounts were finished and I added about 1" to the width of the faring at the TE.
Mounts were finished and I added about 1" to the width of the faring at the TE.
0 2019/08/02 10:12:47
Lots of tiny pieces. I saw where Kalima (midastouch73) on RC Scale used ply instead. I think I'd like to try that next time. I have used Superfil to thin coat over this area. I find it earier to sand/contour and really adds strength along the edge.
Lots of tiny pieces. I saw where Kalima (midastouch73) on RC Scale used ply instead. I think I'd like to try that next time. I have used Superfil to thin coat over this area. I find it earier to sand/contour and really adds strength along the edge.
0 2019/08/02 10:14:32
On the trailing edge, I want to have a hard back edge that the TE fits up against. I plan to use both the provided faring and wider pieces I cut.
On the trailing edge, I want to have a hard back edge that the TE fits up against. I plan to use both the provided faring and wider pieces I cut.
0 2019/08/02 10:21:24
The two pieces laminated together should add some strength in an otherwise weak area. 1/8" balsa will run over and up to the back of the basswood stop.
The two pieces laminated together should add some strength in an otherwise weak area. 1/8" balsa will run over and up to the back of the basswood stop.
0 2019/08/02 10:21:24
Plugs were made from purple foam. I used the wheelwell cutouts as a template. Monokote and with a layer of paste wax prior to FG.
Plugs were made from purple foam. I used the wheelwell cutouts as a template. Monokote and with a layer of paste wax prior to FG.
0 2019/08/02 10:29:18
0 2019/08/02 10:29:19
0 2019/08/02 10:29:19
The completed part. I only made one first in case there was a dimensional issue or some other problem. In reality, you only need a little over half in the scale version. So one doesn't quite make it work.
The completed part. I only made one first in case there was a dimensional issue or some other problem. In reality, you only need a little over half in the scale version. So one doesn't quite make it work.
0 2019/08/02 10:29:24
0 2019/08/02 10:29:24
I used a 3/4 oz layer first, followed by 2 oz, 5 (two pieces - top and side), and one more 3/4 oz layer. I'm not an expert at this, it's just what I'm used to using.
I used a 3/4 oz layer first, followed by 2 oz, 5 (two pieces - top and side), and one more 3/4 oz layer. I'm not an expert at this, it's just what I'm used to using.
0 2019/08/02 10:29:25
Not it's time to get the foam out. I don't use the acetone melting method and probably should. Digging this stuff out is a pain.
Not it's time to get the foam out. I don't use the acetone melting method and probably should. Digging this stuff out is a pain.
0 2019/08/02 10:29:25
Copied Sam P's removable firewall idea. I'll add the servo and gas tank trays next, after I confirm the right spacing.
Copied Sam P's removable firewall idea. I'll add the servo and gas tank trays next, after I confirm the right spacing.
0 2019/08/03 00:27:48
Hard to believe this isn't enough weight by itself.
Hard to believe this isn't enough weight by itself.
0 2019/08/03 00:28:34
I wasn't sure if others put in the 1 degree down/1 degree right offset, but I did the calculation and used washers to get the right placement of the hub in the center. Seems to have worked out fine.
I wasn't sure if others put in the 1 degree down/1 degree right offset, but I did the calculation and used washers to get the right placement of the hub in the center. Seems to have worked out fine.
0 2019/08/03 00:28:34
I needed to add access hatches for the elevator servo connections and the rudder/tail wheel controls. I used Zpoxy and several layers of FG over Saran Wrap. The rudder/tail wheel area is tight and right under where the elevator/fuse fillet goes.
I needed to add access hatches for the elevator servo connections and the rudder/tail wheel controls. I used Zpoxy and several layers of FG over Saran Wrap. The rudder/tail wheel area is tight and right under where the elevator/fuse fillet goes.
0 2019/09/15 11:02:01
I ended up gluing the cut out balsa to the back of the FG hatch, deciding that I preferred the overlap of the hatch vs. a flush fit.
I ended up gluing the cut out balsa to the back of the FG hatch, deciding that I preferred the overlap of the hatch vs. a flush fit.
0 2019/09/15 11:02:30
Both hatches will be well out of sight anyway
Both hatches will be well out of sight anyway
0 2019/09/15 11:03:05
Openings were cut, wires luckily were not.
Openings were cut, wires luckily were not.
0 2019/09/15 11:03:47
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