03-29-2008, 01:48 PM
I have some pretty specific questions on the rudder and rudder box drawings/dimensions for the weekender.
Figure 16 (page 23) for the rudder box. I suspect that the 4 inch dimension toward the top of the drawing is supposed to depict the point where the 68 degree straight line starts the curve...but the picture depicts the 4" dimension a little past this point. ???? The same is true with the bottom of the drawing, where the 10" vertical line meets the bottom of the drawing a little to the right of the spot where the straight line and curve area begins. ????
For the rudder box curves (1 convex and 1 concave), there really is no dimensions or anything to indicate how to loft the curve. Are you supposed to freehand it? I am tempted to just blow up the picture on the copier to actual size and then copy the curves.
Questions on the Rudder now. I am having a tough time on the 8" and 4" radius. It shows a couple lines that appear to represent the middle of the radius? I'm kinda lost here. I have the same issue with the top of the rudder (left side of drawing). There appears to be no guideance on the radius. Also, at the bottom of the picture and to the left, it shows a 9" dimension then you are supposed to draw a line downward and to the left (angle) but gives no dimension. Again, I am thinking of using a copier and blowing it up then tracing.
Part of me wants to rough cut it all, then as I get closer to assembly, possibly figure out shapes then?
Obviously I am afraid of screwing it up.
On another note, do many people glass the rudder and/or rudder box?
Figure 16 (page 23) for the rudder box. I suspect that the 4 inch dimension toward the top of the drawing is supposed to depict the point where the 68 degree straight line starts the curve...but the picture depicts the 4" dimension a little past this point. ???? The same is true with the bottom of the drawing, where the 10" vertical line meets the bottom of the drawing a little to the right of the spot where the straight line and curve area begins. ????
For the rudder box curves (1 convex and 1 concave), there really is no dimensions or anything to indicate how to loft the curve. Are you supposed to freehand it? I am tempted to just blow up the picture on the copier to actual size and then copy the curves.
Questions on the Rudder now. I am having a tough time on the 8" and 4" radius. It shows a couple lines that appear to represent the middle of the radius? I'm kinda lost here. I have the same issue with the top of the rudder (left side of drawing). There appears to be no guideance on the radius. Also, at the bottom of the picture and to the left, it shows a 9" dimension then you are supposed to draw a line downward and to the left (angle) but gives no dimension. Again, I am thinking of using a copier and blowing it up then tracing.
Part of me wants to rough cut it all, then as I get closer to assembly, possibly figure out shapes then?
Obviously I am afraid of screwing it up.
On another note, do many people glass the rudder and/or rudder box?