Simply center the boom when jibing.these have a good write up and seem like they would work well in theory...anyone using them in smaller boats...21ft...do they work well and are relatively out of the way..???
i watch the angle pretty good...a couple accidental jibes got me into a good habit...lol..and i am learning a real good feel of the resistance on the rudder...my first mate(my Wife) tends to get a little off course though when a photo op comes up her attention strays from steering...lol..We really like ours but it's probably overkill for a 21 footer, you should be able to use your mainsheet to control the boom. Watch your wind angle to prevent accidental jibes
i hear ya..i was just kidding about the wife...i do grab the boom with a hand and get it over asap to miminize hard shifting...The best way to handle the boom on a small boat when jibing is to grab a handfull of mainsheet and pull the boom across as soon as possible... to avoid the slamming action. Regarding your crew not paying attention while steering... welll... what can I say? If they're going to drive..... they must keep their eyes on the road. A boom brake helps minimize one danger... but others remain until the helmsman takes the job a little more seriously.