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Model Forum / Radio Controlled / Water Models / April 2008question on chines
hello im kinda new to rc boating, iv built one boat before from my own plans, this was jut to get a feel of the hobby, see if i like it. now im hooked. iv got the plans for the 72 offshore mono and i have scaled it down to 40", 72 was way too big and expensive for me to handle. now i was looking at the plans and im wondering wether i need chines the far end of each side of the hull to deflect water. if i add them will they effect the boats turning performance?  Signatureformula175 I'm not sure what you mean by chines. The chine of a boat is just the line where the bottom meets the sides and this boat, if built correctly should have spray rails there. The bottom goes on first and then the sides should be put on so the hang below the bottom by about 1/16 to 1/8". then you fill the area created with epoxy and microballoons to create the spray rails. If you mean strakes on the bottom of the boat which are used to create lift, I would suggest not putting them on initially til you try the boat without them. You can always add them later. Doug Signaturedwr9 The strakes also give you lateral stability so it doesn't skip sideways!! > I'm not sure what you mean by chines. The chine of a boat is just the > line where the bottom meets the sides and this boat, if built correctly [quoted text clipped - 5 lines] > initially til you try the boat without them. You can always add them > later. Doug Lateral stability is not what strakes are meant for. They are primarily meant for lift. If you need lateral stability you should put a turn fin on it. Doug Signaturedwr9 dwr9;1381 Wrote: > I'm not sure what you mean by chines. The chine of a boat is just the > line where the bottom meets the sides and this boat, if built correctly [quoted text clipped - 5 lines] > initially til you try the boat without them. You can always add them > later. Doug yes sorry doug i just the wrong word, sprew rails is what i ment, are they necessary? Signatureformula175 They are not absolutely necessary. They are there to push the water out away from the boat and keep it from possibly climbing up the side of the boat and getting inside. They may also help the boat to turn, but that's not really why they're there. I originally had mine the full length of the boat, but later removed all but about 18" at the rear portion of the boat. Doug Signaturedwr9 ok thanks, ill take your advise and do further reasurch, the decide if i should put them on. the boat will be electric, will this make any difference if i should put them on? Signatureformula175 |
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