[quote=samc99us]Moshe,
DK I believe has built his own handicap system. I find SCHRS totally reliable for beachcat racing between straight board boats and probably c-board boats. Not sure how well it handles foiling at this point but regardless it uses the largest database of results to compute the ratings and is the current standard.
It sounds like your fleet doesn't have a long history of handicap racing...ours has 25+ years and switching to SCHRS has reduced confusion and concerns over fairness at the bar....bottom line, sail the F20c harder...add some t foils to the rudders and sliders to the trunk, or if you really think the F18 has an advantage in strong breeze race that.
You can use the SCHRS calculator here: https://www.schrs.com/downloads.php
The F18 specs in the SCHRS table are most definitely correct; I would cross check the F20c specs with your actual fleet, as I have found errors in the table for other boats before (Nacra 20 One Design). Specifically, boat weight and sail size has a direct impact on the rating and I have a suspicion that your boats may be a little bit heavier than the table.
In terms of sails, yes SCHRS doesn't limit sails but you have a one design fleet of F20c's that you are racing against as well and deviating from that can open Pandoras box for sure. Also, if your new sails are larger or smaller than the stock ones your rating would change...that will add to the drama on the beach rather than subtract.[/quote]
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