I hope that all of you RV-8/8A slow builders can help me out with this one. I am in the process of mounting the bulkheads and longerons in the jig. I have all of the bulkheads mounted except for the F-804 wing wenter section.
I have made the two bends in the longeron angles, but when I slide them in the bulkheads, I have some issues.
1) After clamping the longerons to the firewall weldments, I temporarily placed the forward F-804 in the jig and noticed that the longerons had to bow outward significantly at the upward (as jigged) bend to accomodate the width. I can't find a good top view in any of the drawings that helps me out.
2) This may be related to my issue with #1, but I found no need for a twist between the F-804 and the firewall as the instructions say. I noticed that I will need to clamp the longeron at a significant angle at the F-804 to fit its contour. When this is done, the longeron seems to fit the angle of the weldment rather well. This further confuses me.
3) The aft 804 bulkhead appears to be the same width as the forward bulkhead. This doesn't make sense to me since the longerons taper in from front to aft and there is a distance (although small) between the bulkheads.
4) I can't find mention to this in the instructions, but I assume that the longerons should be primed before mounting to the jig. Is this right?
Thanks in advance for the help.
I have made the two bends in the longeron angles, but when I slide them in the bulkheads, I have some issues.
1) After clamping the longerons to the firewall weldments, I temporarily placed the forward F-804 in the jig and noticed that the longerons had to bow outward significantly at the upward (as jigged) bend to accomodate the width. I can't find a good top view in any of the drawings that helps me out.
2) This may be related to my issue with #1, but I found no need for a twist between the F-804 and the firewall as the instructions say. I noticed that I will need to clamp the longeron at a significant angle at the F-804 to fit its contour. When this is done, the longeron seems to fit the angle of the weldment rather well. This further confuses me.
3) The aft 804 bulkhead appears to be the same width as the forward bulkhead. This doesn't make sense to me since the longerons taper in from front to aft and there is a distance (although small) between the bulkheads.
4) I can't find mention to this in the instructions, but I assume that the longerons should be primed before mounting to the jig. Is this right?
Thanks in advance for the help.