What size cruising chute sheets?

Ludicrously oversized.
Nigel Theadom of Rig Magic advised me to go for 8mm melange for the A5 on my SO 36i, and he was dead right -as usual.
 
When I bought my boat it had a cruising chute but no sheets. I want to buy some sheets but am not sure what diameter to buy. The boat is a Southerly 115, 37 feet long. Can anyone recommend a good diameter for the shets?

10mm minimum, 12mm probabaly.

It's not the strength, but ease of grasping which dictates the diameter of sheets/guys, conversely you need the lightest you can make do with to ensure it flies in light winds.
 
8mm would cut your hands terribly.

Not if you wear gloves and have full use of your hands - but 8mm is taking the lightweight aspect to extreme ends.
As I don't wear gloves and have arthritis 8mm is definitely no-go for me and is far too small to fit any of my self-tailers.

Don't have a "cruising chute" but do have 2 spinnakers and a proper asymmetric genniker.
 
When I bought my boat it had a cruising chute but no sheets. I want to buy some sheets but am not sure what diameter to buy. The boat is a Southerly 115, 37 feet long. Can anyone recommend a good diameter for the shets?

Whatever is correct for the winch that you will use to control the sheets.
 
10mm minimum, 12mm probabaly.

It's not the strength, but ease of grasping which dictates the diameter of sheets/guys, conversely you need the lightest you can make do with to ensure it flies in light winds.

I agree 100%

If you really find that you want to fly it in ghosting conditions, get some very thin string with plastic shackles, but my feeling is that you won't use the thin lines very often.
 
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