AON Posted December 23, 2019 Share #1 Posted December 23, 2019 (edited) A chatter groove was added to the trailing vertical end of the rudder to eliminate chatter felt back through to the steering mechanism due to flow turbulence in the water at the sharp change or loss of shape of the rudder. I have seen some models with the chatter groove in the rudder. I have seen models with plating wrapping around the rudder (over any chatter groove). Did the copper plating conform to the profiled recess of the chatter groove, or was it no longer necessary because of the copper plating? Edited December 23, 2019 by AON Quote Alan O'Neill "only dead fish go with the flow" Ongoing Build (31 Dec 2013) - HMS BELLEROPHON (1786), POF scratch build, scale 1:64, 74 gun 3rd rate Man of War, Arrogant Class Member of the Model Shipwrights of Niagara, Niagara Region, Ontario, Canada (2016), and the Nautical Research Guild (since 2014) Associate member of the Nautical Research and Model Ship Society (2021) Offshore member of The Society of Model Shipwrights (2021) Link to comment Share on other sites More sharing options...
druxey Posted December 24, 2019 Share #2 Posted December 24, 2019 Hermione is not particularly authentic: look at the twin Kort nozzles! If the hull was coppered, it would conform to the rudder shape as well. Ian B, mtaylor, Mark P and 1 other 4 Quote Be sure to sign up for an epic Nelson/Trafalgar project if you would like to see it made into a TV series http://trafalgar.tv Link to comment Share on other sites More sharing options...
AON Posted December 25, 2019 Author Share #3 Posted December 25, 2019 Yes she was a replica with auxiliary power. So copper plating formed into the groove. mtaylor 1 Quote Alan O'Neill "only dead fish go with the flow" Ongoing Build (31 Dec 2013) - HMS BELLEROPHON (1786), POF scratch build, scale 1:64, 74 gun 3rd rate Man of War, Arrogant Class Member of the Model Shipwrights of Niagara, Niagara Region, Ontario, Canada (2016), and the Nautical Research Guild (since 2014) Associate member of the Nautical Research and Model Ship Society (2021) Offshore member of The Society of Model Shipwrights (2021) Link to comment Share on other sites More sharing options...
dafi Posted January 16, 2020 Share #4 Posted January 16, 2020 (edited) It is documented on british ships in several models and drawings/paintings. But no clue to me if used in real life or not, as other models and drawings of the same time omit it. Perhaps a fashion or test? In opposition to french ships, the english ships had rudders that were more slimmed towards the aft edge. Perhaps this had the same effect. As for my Vic of 1803 I decided not to show the groove as the contemporary rudder of the St George lost in 1811 in Thorsminde does not have one. XXXDAn https://strandingsmuseet.dk/en/a-sneak-peek-of-the-exhibition/ Edited January 16, 2020 by dafi mtaylor and bruce d 2 Quote To victory and beyond! http://modelshipworld.com/index.php?/topic/76-hms-victory-by-dafi-to-victory-and-beyond/ See also our german forum for Sailing Ship Modeling and History: http://www.segelschiffsmodellbau.com/ Finest etch parts for HMS Victory 1:100 (Heller Kit) and other useful bits. http://dafinismus.de/index_en.html Link to comment Share on other sites More sharing options...
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