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  • I displacement hull at displacement speeds is more efficient than a planing hull at any speed, assuming similiarly sized boats.
    sirdarnell@... Apr 7, 2014
  • Fiberglass would be useful if you will be boating in shallow waters, to protect the softer wood.
    sirdarnell@... Feb 27, 2014
  • A/C is not marine ply. Marine ply has A/A surfaces Exterior ply, maybe, marine no. Marine has at least 5 layers, all the same thickness and the surface layers are not patched.
    sirdarnell@... Feb 21, 2014
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  • I thought one of the things Jim got from Phil was his love for lee boards. Phil used them in a lot of designs for decades before Jim built a birdwatcher. ---In Michalak@^$1, wrote: " Now take that Bolger Birdwatcher and remove the obnoxious CB trunk and add Jim's leeboards (technically off centerboards)... " Gosh, I wonder if PCB considered and went all through that and rejected it...
    sirdarnell@... Nov 29, 2013
  • Lightly sand to provide some tooth for the epoxy to grab onto. Fillets on either side will add extra bonding. --- In Michalak@^$1, "Steven" wrote: > > Thank you all for the comments. > > One last question. How well does epoxy adhere to polyester? I assume I would glass the bottom before putting on the skids, so I doubt I could use tightbond III to glue the skids to polyester, which...
    sirdarnell Jul 26, 2013
  • Polyester finishing resin is used for the final application of resin. I.e. the finish layer. So if your cloth is thick enough that you are going to use more than one application of rosin to fill the weave use regular rosin except for the last application. Finishing rosin contains wax that helps the resin cure hard. --- In Michalak@^$1, "prairiedog2332" wrote: > > I reviewed the...
    sirdarnell Jul 22, 2013
  • How about the Caroline? --- In Michalak@^$1, James Dunn wrote: > > I have an AF3 but it's a tad small for a family of 4. My kids are only 2 so the AF3 is good for now but, I foresee a need for an upgrade sooner than later. I am extremely happy with the AF3 but I long for the extra couple feet of the AF4. I am also partial to the Blobster which makes beaching and my wife's happiness...
    sirdarnell Jul 18, 2013
  • http://www.triloboats.com/ --- In Michalak@^$1, "rkldude" wrote: > > I am wanting to build a boat/barge along the lines of Petesboat but with a scow type bow instead of the V type that Petesboat has. This scow/barge will be used as a live aboard platform and will have a seperate vessel as it`s mode of propulsion. Can I eliminate building the V into Petesboat if I were to build it...
    sirdarnell May 11, 2013
  • Sounds like you have the right idea. Dry it out throughly and then coat with epoxy and paint. If you ever have rot follow the directions in this article: http://www.angelfire.com/nc3/davecarnell/rot.html --- In Michalak@^$1, "James" wrote: > > Help, my AF3 has taken on water and she's still on the trailer. Let me clarify, I was out of town for a couple weeks and the wind blew my...
    sirdarnell Dec 11, 2012
  • Butt joints predate plywood and were basically made the way you did it. Grain running fore and aft would be stronger, but unless you hit something at the joint I doubt you'll have much trouble. --- In Michalak@^$1, "JeffreyM" wrote: > > Wait a minute--you said you used 1X4 lumber for your butt strap? How was the grain oriented?? I wouldn't trust any butt strap that didn't have...
    sirdarnell Mar 13, 2012