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Hi all.
My No. 1 keeps getting caught on my starboard stanchions. They are a little higher than the port side ones. I have the wheels on the wires, but they don'e help as they are too small. Previous owner had the stanchions removed. However i want them on for safety.
I was thinking of making something like this -
Rounded outside to allow for the sail to roll over it.
Flatter on the inside so it doesn't alter the shape of the sail too much.
Small weight to keep it in the correct orientation.
Do you think it would work??
I like your concept! I have the same problem.
Windage and weight maybe an issue?
Is it free to run, or fixed in place somehow?
Valo,
When you get to final design, let me know if you want 'em 3d printed. I bought one of those Aldi cheapy ones an I need a project or two!
I could make it from 10-15mm HDPE and drill holes to lighten it and round the edges. Just need to fix a lead sinker into it at a point where it will hang right. Then work out a way to fit it without it coming off. I am thinking a cut at an angle as shown. I am thinking run free. However I can see that it would twist it it wasn't against the stanchion. I thought of fixing it to the stanchion so that it doesn't move. However i think it would still get caught. It needs to roll.
I thought of something like that. However i would have to cut my lifeline to slide them on. I was hoping to cut a slit in it and slide it over the lifeline. Like in my pic above.
If it was 3D printed, and i know nothing about this, can you print it so the stoppers were an extension of the hole? So one piece.
. However i would have to cut my lifeline
Sorry, I didn't explain. You can make each stopper as a two piece, so they interlock or screw together over your lifeline without disturbing your lifeline.
can you print it so the stoppers were an extension of the hole
Yep.
Can do.
Nice render btw!
I will do up a design with same amount of plastic either side of the wire hole. So should sit straight. Maybe 
What file format do you need it in for printing?
OK, try the following:
ECAD Files ( *.idf,*.idb, *.emni)
OBJ Files (*.obj)
Sketchup files (*.skp)
STEP files (*.stp, *.step, ) (Read Only)
STL files (*.stl)
No worries 
.
FYR, I just checked the maximum size I can print.
The virtual box is:
Width: 120mm
Depth: 135mm.
Height: 100mm
As I think you had a 200mm?? length, we may have to use a plane , or create an edge and cut it into two.
Then we'll look at what option's on how to connectorise, snap, tie screw glue etc.
Being an engineer I'm a big fan of the 3d print option but on the race boat, a well timed tap or two on the top lifeline, just adjacent to the winch, will usually flick it off the stanchion ;)
If we join it in two halves on a plane, you could design in a cut out to house the sinker.
When you close it, you enclose the sinker.
Open to replace/resize.
Edit: First pass may have to rely on sticking weights on it in different places till we work out where to scallop it.
Here you go.
Nice blue colour, and both about the same volume. I reckon a couple of cable ties should hold them together to see if they work.
Hi Valo
What size boat are you talking? Racing or cruising light handed?
Could be just a matter of trimming, there is a moment the heady will drop over the stanchions, quick trim right then?
Not a new problem, but I like your ideas.
