Re: [bolger] Re: doubling ply bottoms
Must be electrolysis. Dissimilar metals in water generate a
current that can eat away anything.
Mark
Vince Chew wrote:
current that can eat away anything.
Mark
Vince Chew wrote:
>
> Frank,
>
> Tell me more about this "metal induced rot". In many years of
> reading everything about wooden boats that I could get my hands on, I
> have never seen the term used before. Do you have a source? I've
> owned
> a couple of woooden boats fastened with a variety of metal screws,
> bolts, etc. I never knew that the very metal that held them together
> would "induce rot" I always thought that rot was caused by
> microorganisms.
>
> I have seen wooden structures where the fasteners had corroded away
> even though the wood was sound.
>
> Vince
>
> --- Inbolger@egroups.com, "Frank San Miguel" <sanmi@c...> wrote:
> > SBronze ring nails sounds like a good method too, but I'd worry
> about
> > metal induced rot over time.
> >
> > Frank
> >
> > --- Inbolger@egroups.com, "Harry W. James" <welshman@p...> wrote:
> > > You can get a mechanical feel, also if you use the torque setting
> > on your screw
> > > gun or if you are using a screw shooter, you can set the depth
> that
> > the head
> > > goes in before the clutch kicks out.
> > >
> > > HJ
> > >
> > > Chuck Leinweber wrote:
> > >
> > > > Richard:
> > > >
> > > > You're right, of course. It is possible to get a feel for when
> > the first
> > > > sheet spins out, and stop your drill before the second one
> does.
> > I guess I
> > > > am just too timid to do that. Five minutes of drilling will
> > guarantee a
> > > > good clamp, so that is the way I do it. Filling the holes is
> not
> > that bad -
> > > > get a putty knife and fill with a mix of peanut butter
> > consistency, when
> > > > set, smooth with a belt sander.
> > > >
>
>
> Bolger rules!!!
> - no cursing
> - stay on topic
> - use punctuation
> - add your comments at the TOP and SIGN your posts
> - add some content: send "thanks!" and "ditto!" posts off-list.
From: "Peter Vanderwaart" <pvanderw@...>
nails. Do a search for a "cheap little sucker" on the net. It uses a
compressor out of a refrigerator for a vacuum pump. You can use a shop vac
for the initial pull down and switch over to the smaller pump.
The advantages of vacuum bagging are uniform clamping pressure, ideal
resin to glass ratios and minimal weight.
Gordon
Gordon Cougergcouger@...
Stillwater, OK www.couger.com/gcouger
405 624-2855 GMT -6:00
> > Oh, you want to get _practical_ !Vacuum bagging is pretty simple and easy to do. It is easier than driving
>
> > > All this vaccum bagging sounds so complicated - my ring shank
> > > nails were so
> > > easy -
>
> I think the words 'vacuum bagging' add 20% to the price in a For Sale
> ad.
>
> That mere 1 atmosphere is like putting a 14lb weight on each square
> inch or a 2000lb weight on each sq ft.
>
nails. Do a search for a "cheap little sucker" on the net. It uses a
compressor out of a refrigerator for a vacuum pump. You can use a shop vac
for the initial pull down and switch over to the smaller pump.
The advantages of vacuum bagging are uniform clamping pressure, ideal
resin to glass ratios and minimal weight.
Gordon
Gordon Cougergcouger@...
Stillwater, OK www.couger.com/gcouger
405 624-2855 GMT -6:00