The answer is : 20 kg's under SCHRS and 13 kg under Texel.
Wouter
So you keep a handy 20Kg lump of lead in your trailer box. And when you're planning on racing solo, instead of spending 2 minutes rigging the jib, you spend 3 minutes bolting the lump under the main beam!

Result= same handicap as an F16 sloop.......... (and better opportunity to win on handicap)
John,
No you miss my point (I think, not
sure you are not just being silly, and I'm V tired)
If you were to rate a single hander as weighing in at 95kg (SCHRS assumes everyone is the same at 75kg) then the handicap changes to what you guys are saying the F16 actually performs to !
So if sailing one up the "crew weight" is (notionally) 95kg
If sailing 2 up it is 150 (75x2).