I just had all the standing rigging redone on my V21 and now need to tune it. My question is for determining the mast rake while the boat is on the trailer. Is there any point on the boat that I can level to simulate it sitting in water, or if I level the trailer--will that do? If I remember correctly, the main halyard should hang 2-3 inches aft of the mast when the rake is appropriate. Is this correct?ThanksBryan