IIRC, the boat was under construction in south Florida. The last report was prior to 2005, when you all might remember this same are was raked by four...
56429
Kristine Bennett
femmpaws
Jan 8, 2008 3:15 am
Hmm I must have missed something. When it come to hitting rock and logs you are point loadind the hull and the stress loads go up extremely fast. It's also...
56428
Jon & Wanda(Tink)
tinkerbell98683
Jan 8, 2008 2:28 am
There are different kinds of voids from a small knot missing to inerplys 3/8" apart in ply with 3 layers. A few small knotes may not be a problem the 3/8"...
56427
Kenneth Grome
kennethgrome
Jan 8, 2008 1:08 am
Hi Bruce, Ater seeing your pictures, I cannot help but wonder if the rocks might not have made a hole in the boat if the entire hull had been sheathed in glass...
56426
Phil S.
Newbarndesign
Jan 7, 2008 11:28 pm
I am wondering if it was never finished? Hmmm, maybe it is sitting incomplete in some yard. Ready for some hardy soul to buy it and finish her. Wishful...
56425
Bruce Hallman
brucehallman
Jan 7, 2008 7:23 pm
... My point is that the 1/32" epoxied fiberglass cloth would be sufficient. If you removed the plywood entirely, the boat could still float, like a skinned...
56424
Pierce Nichols
plonk_plonk
Jan 7, 2008 7:04 pm
... And if you could weld 1/32" steel sheet without epic levels of distortion, it would probably make a mighty fine rowboat. :) The overall strength of a boat...
56423
Bruce Hallman
brucehallman
Jan 7, 2008 6:57 pm
... That is a bending test. Most boat hulls rely on 'shell effect' for strength. Consider this, very thin skins give shell effect. For instance, skinned...
56422
Hajo Smulders
hilomania
Jan 7, 2008 6:47 pm
Don't mean to start some type of fight; However I take big exception to the statement that most boats are overbuild. Time and time again (Not just Fastnet or...
56421
BllFs6@...
Jan 7, 2008 6:31 pm
In a message dated 1/7/2008 12:18:39 PM Central Standard Time, rocketgeek@... writes: Here's the thing: where I live (Southern CA), void-free imported...
56420
Hajo Smulders
hilomania
Jan 7, 2008 6:23 pm
On the testing I did: This is a few years ago when I was looking into building an International Moth. (Never got build; I will one day though; these things are...
56419
Pierce Nichols
plonk_plonk
Jan 7, 2008 6:18 pm
... I was responding to a pretty specific question concerning composite panels. Fact is, mst boats are massively overbuilt, so that even a signficant reduction...
56418
Bruce Hallman
brucehallman
Jan 7, 2008 5:07 pm
... Ditto. Also, wasted time & money. There are 100's of other real world things to worry about. Why fixate on voids in plywood?...
56417
BllFs6@...
Jan 7, 2008 4:28 pm
In a message dated 1/7/2008 9:53:07 AM Central Standard Time, rocketgeek@... writes: Since the highest stress on the panel is now much larger for a...
56416
Bruce Hallman
brucehallman
Jan 7, 2008 4:19 pm
... But, we just don't hear of reports of boat hulls failing like this. I hear reports of rot. (Personally, I have only experienced rot, not from voids, but...
56415
Pierce Nichols
plonk_plonk
Jan 7, 2008 3:52 pm
On Jan 7, 2008 5:43 AM, Stefan Probst <stefan.probst@...> ... Well, either one would be dangerous. If there's a void of any kind in the core (or...
56414
Bruce Hallman
brucehallman
Jan 7, 2008 3:52 pm
... Rather, not launched, I think. The W.R. O'Banion Tahiti project, photos seen in more than one MAIB articles, certainly has been completed enough to float....
56413
Stefan Probst
stefanhanoi
Jan 7, 2008 1:43 pm
... Can you elaborate a bit more and share your experiences? Maybe even a simple sketch? As I understand it, the purpose of the foam is mainly to keep the ...
56412
Stefan Probst
stefanhanoi
Jan 7, 2008 1:31 pm
... I don't know how large your voids are, and whether they are only in one layer. If you fasten your ply with screws or nails to chine logs, stringers, etc.,...
56411
Harry James
harryjak
Jan 7, 2008 7:02 am
There are some more photo's on the Black skimmer U'I IPO's web site website. Good stuff on how its rigged, beautiful boat. No way to recover the cost on...
56410
Harry James
harryjak
Jan 7, 2008 6:47 am
I don't believe a Tahiti has been built. HJ...
56409
Jon & Wanda(Tink)
tinkerbell98683
Jan 7, 2008 5:04 am
You don't need rot just swelling of the faces over the void for it to swell up. Can you tell us if you glassed and encasulated painted or what to the plywood. ...
56408
Phillip Lea
phillip_lea
Jan 7, 2008 1:41 am
... I can attest to the void causing rot from the inside out. My 7-year old June bug of 1/4" Superply showed some raised grain in a narrow band along the...
56407
SaIL Again Resources
sar207
Jan 6, 2008 7:58 pm
Had a good friend that lived in the dunes of Truro back in the 60's that waxed profound in the same manner as Mr. Day. Sure miss that man and his wonderful...
56406
Jon & Wanda(Tink)
tinkerbell98683
Jan 6, 2008 7:38 pm
Thanks DaveI stand corected on the Crezon. Jon ... to do ... house ... voids ... overlay. ... under ... came...
56405
David
arbordg
Jan 6, 2008 10:09 am
Here's the link: http://www.olypanel.com/signMaking/ David Graybeal Portland, OR...
56404
Jon & Wanda(Tink)
tinkerbell98683
Jan 6, 2008 4:57 am
All MDO had be gotten with 1 or 2 sides overlayed. Olypic Ply and others have different names for different grades of MDO. It has to do with what it is made...
56403
mike
mikearedmond
Jan 6, 2008 4:29 am
Hi,Ive been reading on Can Ply site that MDO panels are 20%to40% stronger than douglass fir panels..Having said this ,I am still left in the dark about the...
56402
BllFs6@...
Jan 5, 2008 6:29 pm
To me the strength issue is not so important in composite sandwich ... On the issue of voids.... Lets take a simple example.....say a inch wide strip of...
56401
Bruce Hallman
brucehallman
Jan 5, 2008 5:36 pm
... Strength. There are different types. Bending, compression, shear, torsional and tensile. The strength issue with boat hulls is complex and a mix of all...
