I jest returned to RC boating this past summer. I returned to the hobby with a 24" ProBoat BlackJack spinning a Prather 215 prop. All summer long the GPS read 33mph in the warn water. Now when I run her in the cold winter's slightly melted slush I'm lucky to see 31mph. I want my 2mph back, should I over prop, aint gona over heat the elects in fridged temps any how? Or drop a size or two an jest spin the wheel a few more r's? Do racers adjust prop size with any consideration to the specific gravity density of the soup they be runnin in?
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