RE : [bolger] Re: Sneakeasy "Katie" report
You should try to do the first layer of underwater paint with pitch
epoxy.. Works great...see :
HYPERLINK
"http://www.surtech2000.co.uk/Wall%20Product%20Pages/pitchepoxy.html"htt
p://www.surtech2000.co.uk/Wall%20Product%20Pages/pitchepoxy.html
You may use any underwater paint over it..
--
Phil.
-----Message d'origine-----
De : Mark A. [mailto:marka@...]
Envoyé : Thursday, September 04, 2003 3:55 AM
À : bolger@yahoogroups.com
Objet : [bolger] Re: Sneakeasy "Katie" report
Others that are commonly used on the Northwest river running boats
include mixed in
graphite powder, or an overlay of UHMW.
Mark
chodges31711 wrote:
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- Plans: Mr. Philip C. Bolger, P.O. Box 1209, Gloucester, MA, 01930,
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[Non-text portions of this message have been removed]
epoxy.. Works great...see :
HYPERLINK
"http://www.surtech2000.co.uk/Wall%20Product%20Pages/pitchepoxy.html"htt
p://www.surtech2000.co.uk/Wall%20Product%20Pages/pitchepoxy.html
You may use any underwater paint over it..
--
Phil.
-----Message d'origine-----
De : Mark A. [mailto:marka@...]
Envoyé : Thursday, September 04, 2003 3:55 AM
À : bolger@yahoogroups.com
Objet : [bolger] Re: Sneakeasy "Katie" report
Others that are commonly used on the Northwest river running boats
include mixed in
graphite powder, or an overlay of UHMW.
Mark
chodges31711 wrote:
> There are many other types of hardYahoo! Groups Sponsor
> minerals that could be put in epoxy and would give good wear
> resistance. Maybe even granite fines from a stone cutters saw or
> monument carver.
ADVERTISEMENT
HYPERLINK
"http://rd.yahoo.com/M=244522.3707890.4968055.1261774/D=egroupweb/S=1705
065791:HM/A=1595053/R=0/SIG=124gf29oe/*http://ashnin.com/clk/muryutaitak
enattogyo?YH=3707890&yhad=1595053"Click Here!
HYPERLINK
"http://us.adserver.yahoo.com/l?M=244522.3707890.4968055.1261774/D=egrou
pmail/S=:HM/A=1595053/rand=182267369"
Bolger rules!!!
- no cursing, flaming, trolling, spamming, or flogging dead horses
- stay on topic, stay on thread, punctuate, no 'Ed, thanks, Fred' posts
- Pls add your comments at the TOP, SIGN your posts, and snip away
- Plans: Mr. Philip C. Bolger, P.O. Box 1209, Gloucester, MA, 01930,
Fax: (978) 282-1349
- Unsubscribe: bolger-unsubscribe@yahoogroups.com
- Open discussion: bolger_coffee_lounge-subscribe@yahoogroups.com
Your use of Yahoo! Groups is subject to the HYPERLINK
"http://docs.yahoo.com/info/terms/"Yahoo! Terms of Service.
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[Non-text portions of this message have been removed]
A recent boatbuilder magazine had an article on a experiment by a
boatbuilding amateur. He found 1 layer of Xynole to be 6 times as
abrasion resistant as 1 layer of 6 oz fiberglas. Because of the extra
bulk of the xynole, it was only 2 times as resistant by thickness.
HJ
Roger Derby wrote:
boatbuilding amateur. He found 1 layer of Xynole to be 6 times as
abrasion resistant as 1 layer of 6 oz fiberglas. Because of the extra
bulk of the xynole, it was only 2 times as resistant by thickness.
HJ
Roger Derby wrote:
>I wish I had more details to give. As far as the mix goes, one just plays
>around on test pieces until it feels right. (I suspect that the carbide
>powder is non-thixatropic so one would add that stuff (colloidal silica)
>first and then stir in the carbide.
>
>The Aussie had a local source which isn't worth much to us in the Northern
>hemisphere. I searched for the stuff on the net and since I wanted a few
>pounds, not several hopper cars full, didn't have any luck.
>
>Following a suggestion in MAIB from several years ago, I did experiment with
>lime (from the garden shop) as a filler. Not bullet-proof like the carbide
>would be, but it did give a hard surface and it was cheap. I used it on a
>bulkhead which formed part of the anchor storage bin and could be expected
>to get a lot of abuse. As above, I used colloidal silica first and then
>added the lime.
>
>Roger
>derbyrm@...
>http://derbyrm.mystarband.net
>
>----- Original Message -----
>From: "Paul" <bys@...>
>
>
>
>
Others that are commonly used on the Northwest river running boats include mixed in
graphite powder, or an overlay of UHMW.
Mark
chodges31711 wrote:
graphite powder, or an overlay of UHMW.
Mark
chodges31711 wrote:
> There are many other types of hard
> minerals that could be put in epoxy and would give good wear
> resistance. Maybe even granite fines from a stone cutters saw or
> monument carver.
This site has a hardness scale in moh's.
http://webmineral.com/help/Hardness.shtml
diamond is 10, carbide is 9.5, corundum (Al. oxide) is 9.0
Quartz (sand/ glass) is 7.0, steel is 5.5
Most rocks are probably in the 3-5 range so if your coating is harder
than steel (5.5) it should do the job. You would want it tough enough
not to shatter and come off. The epoxy should bind it in a matrix and
help that. An experiment with a small piece of wood might be
worthwhile.
Charles
http://webmineral.com/help/Hardness.shtml
diamond is 10, carbide is 9.5, corundum (Al. oxide) is 9.0
Quartz (sand/ glass) is 7.0, steel is 5.5
Most rocks are probably in the 3-5 range so if your coating is harder
than steel (5.5) it should do the job. You would want it tough enough
not to shatter and come off. The epoxy should bind it in a matrix and
help that. An experiment with a small piece of wood might be
worthwhile.
Charles
>Northern
> The Aussie had a local source which isn't worth much to us in the
> hemisphere. I searched for the stuff on the net and since I wanteda few
> pounds, not several hopper cars full, didn't have any luck.I work for CE Minerals at the Andersonville mines. We crush and size
fused white alumina and sintered tabular alumina. This is 99+%
aluminum oxide like grinder discs are made from. We fuse it to get
crystals and then fracture it to get the sharp edges. Sizes from 3
mesh down to 325. It is very hard stuff and probably cheaper than
carbide. I'm not in the marketing end but we package from 50 lb. bags
to unit trains and ship loads. There are many other types of hard
minerals that could be put in epoxy and would give good wear
resistance. Maybe even granite fines from a stone cutters saw or
monument carver.
www.ceminerals.com
Charles
I wish I had more details to give. As far as the mix goes, one just plays
around on test pieces until it feels right. (I suspect that the carbide
powder is non-thixatropic so one would add that stuff (colloidal silica)
first and then stir in the carbide.
The Aussie had a local source which isn't worth much to us in the Northern
hemisphere. I searched for the stuff on the net and since I wanted a few
pounds, not several hopper cars full, didn't have any luck.
Following a suggestion in MAIB from several years ago, I did experiment with
lime (from the garden shop) as a filler. Not bullet-proof like the carbide
would be, but it did give a hard surface and it was cheap. I used it on a
bulkhead which formed part of the anchor storage bin and could be expected
to get a lot of abuse. As above, I used colloidal silica first and then
added the lime.
Roger
derbyrm@...
http://derbyrm.mystarband.net
around on test pieces until it feels right. (I suspect that the carbide
powder is non-thixatropic so one would add that stuff (colloidal silica)
first and then stir in the carbide.
The Aussie had a local source which isn't worth much to us in the Northern
hemisphere. I searched for the stuff on the net and since I wanted a few
pounds, not several hopper cars full, didn't have any luck.
Following a suggestion in MAIB from several years ago, I did experiment with
lime (from the garden shop) as a filler. Not bullet-proof like the carbide
would be, but it did give a hard surface and it was cheap. I used it on a
bulkhead which formed part of the anchor storage bin and could be expected
to get a lot of abuse. As above, I used colloidal silica first and then
added the lime.
Roger
derbyrm@...
http://derbyrm.mystarband.net
----- Original Message -----
From: "Paul" <bys@...>
> --- Inbolger@yahoogroups.com, "Roger Derby" <derbyrm@s...> wrote:
> > A few years back, on rec.boats.building, some Aussie kayaker
> > mentioned that they painted at least part of their boat's bottom
> > with a mix of epoxy and carbide. Instead of the concrete
> > wearing away the boat, their boats made
> > grooves in the dock.
> >
> > Katie might still be right for you.
> >
> > Roger
> > derbyrm@s...
> >http://derbyrm.mystarband.net
> >
> > ----- Original Message -----
> > From: "Sal's Dad" <sals_dad@b...>
> >
> > Wow!!! More details please, we all want a bulletproof bolger boat.
> Could you supply the mix, type of carbide, suppliers etc. Great
> discussion at the messabout. Paul McLellan
> > <snip>
> >
> > > Why "almost-perfect"?
> >
> > > Half our landings are on ledge or sharp stone beaches,
> > > which will tear up the plywood (Diablo has a metal
> > > plate on the stem and forward bottom) and passenger
> > > entry/exit must be over the bow.
--- Inbolger@yahoogroups.com, "Roger Derby" <derbyrm@s...> wrote:
discussion at the messabout. Paul McLellan
> A few years back, on rec.boats.building, some Aussie kayakermentioned that
> they painted at least part of their boat's bottom with a mix ofepoxy and
> carbide. Instead of the concrete wearing away the boat, their boatsmade
> grooves in the dock.Could you supply the mix, type of carbide, suppliers etc. Great
>
> Katie might still be right for you.
>
> Roger
> derbyrm@s...
>http://derbyrm.mystarband.net
>
> ----- Original Message -----
> From: "Sal's Dad" <sals_dad@b...>
>
> Wow!!! More details please, we all want a bulletproof bolger boat.
discussion at the messabout. Paul McLellan
> <snip>
>
> > Why "almost-perfect"?
>
> > Half our landings are on ledge or sharp stone beaches,
> > which will tear up the plywood (Diablo has a metal
> > plate on the stem and forward bottom) and passenger
> > entry/exit must be over the bow.
A few years back, on rec.boats.building, some Aussie kayaker mentioned that
they painted at least part of their boat's bottom with a mix of epoxy and
carbide. Instead of the concrete wearing away the boat, their boats made
grooves in the dock.
Katie might still be right for you.
Roger
derbyrm@...
http://derbyrm.mystarband.net
they painted at least part of their boat's bottom with a mix of epoxy and
carbide. Instead of the concrete wearing away the boat, their boats made
grooves in the dock.
Katie might still be right for you.
Roger
derbyrm@...
http://derbyrm.mystarband.net
----- Original Message -----
From: "Sal's Dad" <sals_dad@...>
<snip>
> Why "almost-perfect"?
> Half our landings are on ledge or sharp stone beaches,
> which will tear up the plywood (Diablo has a metal
> plate on the stem and forward bottom) and passenger
> entry/exit must be over the bow.
I just got back from a couple weeks away from the computer, and didn't see a
notice from Steve saying that "Katie", the Sneakeasy he built, has been
sold, so...
A couple weeks ago Steve Bosquette took my family out for a test ride in
Katie, in Bath, Maine. We all had fallen in love before we got there (for
several days before, my 2-year-old was begging me to show him the speedboat
pictures on the computer). We thought she might be just the thing for our
regular 22 mile (round trip) commute to the farmer's market and swimming
lessons in the big city - the Diablo can be a harsh ride.
Katie is a beauty. Quick, stable, a real eye-turner (thumbs up from
everybody on the water, and this in the shadow of the Navy's very newest
ship!) She has a 50' finish - from that distance you would swear her deck
is mahogany or something, finished bright, instead of brown painted plywood.
Much nicer ride than I had expected, with a slightly distracting
thumping/drumming across the chop (but none of the pounding of Diablo, on
the same stretch). I was a bit disappointed in the size of the wake; with
3 adults and 2 children aboard, it wasn't anything like the carpet of foam
Bolger describes.
I don't understand why Steve wants to sell her so cheap. She's definitely
worth much more than the 2,000 he's asking. Maybe a buyer should look twice
at the motor...
Unfortunately while Katie is just the thing for us to travel in style, we
are many years behind on maintenance of the fleet we already have - I have
sworn future boats will be no-maintenance metal, and "She Whose Whim is Law"
pointed out the impracticality of taking on one more almost-perfect boat.
(and one new 20'+ boat per year is the limit )-;) Why "almost-perfect"?
Half our landings are on ledge or sharp stone beaches, which will tear up
the plywood (Diablo has a metal plate on the stem and forward bottom) and
passenger entry/exit must be over the bow. Also, Steve outfitted her with a
long-shaft outboard, when we need absolutely minimum draft for skimming over
mudflats. And I could never keep the paintwork as nice as it deserves.
I understand Steve will be at the Kingston Messabout, with Katie; some lucky
soul will snap her up.
Curtis
notice from Steve saying that "Katie", the Sneakeasy he built, has been
sold, so...
A couple weeks ago Steve Bosquette took my family out for a test ride in
Katie, in Bath, Maine. We all had fallen in love before we got there (for
several days before, my 2-year-old was begging me to show him the speedboat
pictures on the computer). We thought she might be just the thing for our
regular 22 mile (round trip) commute to the farmer's market and swimming
lessons in the big city - the Diablo can be a harsh ride.
Katie is a beauty. Quick, stable, a real eye-turner (thumbs up from
everybody on the water, and this in the shadow of the Navy's very newest
ship!) She has a 50' finish - from that distance you would swear her deck
is mahogany or something, finished bright, instead of brown painted plywood.
Much nicer ride than I had expected, with a slightly distracting
thumping/drumming across the chop (but none of the pounding of Diablo, on
the same stretch). I was a bit disappointed in the size of the wake; with
3 adults and 2 children aboard, it wasn't anything like the carpet of foam
Bolger describes.
I don't understand why Steve wants to sell her so cheap. She's definitely
worth much more than the 2,000 he's asking. Maybe a buyer should look twice
at the motor...
Unfortunately while Katie is just the thing for us to travel in style, we
are many years behind on maintenance of the fleet we already have - I have
sworn future boats will be no-maintenance metal, and "She Whose Whim is Law"
pointed out the impracticality of taking on one more almost-perfect boat.
(and one new 20'+ boat per year is the limit )-;) Why "almost-perfect"?
Half our landings are on ledge or sharp stone beaches, which will tear up
the plywood (Diablo has a metal plate on the stem and forward bottom) and
passenger entry/exit must be over the bow. Also, Steve outfitted her with a
long-shaft outboard, when we need absolutely minimum draft for skimming over
mudflats. And I could never keep the paintwork as nice as it deserves.
I understand Steve will be at the Kingston Messabout, with Katie; some lucky
soul will snap her up.
Curtis