[Rhodes22-list] Re: CBtrunk fast dry hardener?

[Roger Pihlaja]

Lou,

Your plan is possible in theory.  Just be careful, sir.

Roger Pihlaja
S/V Dynamic Equilibrium

----- Original Message -----
From: "Lou Rosenberg" <lsr3 at MAIL.nyu.edu>
To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
Sent: Thursday, December 09, 2004 11:40 AM
Subject: Re: [Rhodes22-list] Re: CBtrunk fast dry hardener?


>   Roger,
>    I have a plan to install my alcohol heater below the boat with some
> sheeting to funnel the warm air into the (open ) trunk space and warm
> the interior  before mixing epoxy.   Warm up the  entire cabin and
> trunk area as much as possible including the use of a hair dryer or
> heat gun before mixing.  Then turn off the heaters and apply epoxy
> wait about one hour and begin heating again, just to be on the safe
> side.   I could postpone the epoxy work until spring but want to try
> this method first.
>   suggestions?
>   I know how flammable the vapors are and will not take any
> unnecessary risks.  The entire rear of my boat will be exposed for
> ventilation and  I could open my ports as well but they covered by
> the tarp.
>   Lou
>
> >Lou,
> >
> >Certainly at near freezing temperature, the pot life of the reacting
epoxy
> >would be sufficiently long for your purposes.  But, there is another
problem
> >related to working with epoxy resin in lower temperatures.  The viscosity
of
> >the uncatalysed resin itself is fairly temperature sensitive.  At near
> >freezing temperatures, the epoxy resin will be too viscous to properly
flow
> >in order to do a delamination repair.  It will also be very hard to
inject
> >with a hypodermic syringe.
> >
> >Roger Pihlaja
> >S/V Dynamic Equilibrium
> >
> >----- Original Message -----
> >From: "Lou Rosenberg" <steadilsr at verizon.net>
> >To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
> >Sent: Wednesday, December 08, 2004 2:18 PM
> >Subject: Re: [Rhodes22-list] Re: CBtrunk fast dry hardener?
> >
> >
> >>  Roger,
> >>    Much thanks for the detail analysis on my CB..
> >>    I totally agree with the barrier coat add on when I m ready for the
> >>  fix up of the board.
> >>    **
> >>    On the issue of the trunk:
> >>    i was thinking that a FAST dry West 205 hardener due to the lower
> >>  temps I will have to deal with unless I postpone until spring which
> >>  really isnt necessary as I am willing to let it cure for days at a
time.
> >>    what do you think?
> >>  thanks so much and I second what Stan said about your knowledge base!
> >>    be well
> >>    Lou
> >>
> >>
> >>  On Wednesday, December 8, 2004, at 06:29 AM, Roger Pihlaja wrote:
> >>
> >>  > Lou,
> >>  >
> >>  > These look like the same pictures you sent me on 12/07/2004 at 1:29
PM
> >>  > &
> >>  > I've already analysed & commented back to you on them.
> >>  >
> >>  > FYI, I believe the centerboard & the rudder blade use the same foil
> >>  > shape.
> >>  > On older boats like ours, they were literally identical parts up
until
> >>  > GBI
> >>  > introduced their Diamond Centerboard a few years ago.  You might be
> >>  > able to
> >>  > make good use of your rudder blade for comparison purposes with your
> >>  > centerboard.  For example, if your rudder blade fits up into the
> >>  > centerboard
> >>  > well without binding; then, your centerboard may be off-spec.  I
think
> >>  > GBI
> >>  > still sells the original design rudder blades and centerboards.
> >>  >
> >>  > Roger Pihlaja
> >>  > S/V Dynamic Equilibrium
> >>  >
> >>  > ----- Original Message -----
> >>  > From: "Louis S Rosenberg" <lsr3 at nyu.edu>
> >>  > To: <rhodes22-list at rhodes22.org>
> >>  > Sent: Tuesday, December 07, 2004 11:59 AM
> >>  > Subject: Re: [Rhodes22-list] Re: CB cu pics
> >>  >
> >>  >
> >>  >> Roger,
> >>  >>  These are the close up pics I took last night.  You can see the
board
> >>  >> is in good condition compared to its trunk. I am going to remove
all
> >>  >> the flaking paint and smooth out  try a dry fit with out fixing
trunk
> >>  >> hole first then see if the other bulging trunk sections will need
to
> >>  >> be
> >>  >> removed by cutting and several layers of epoxy.
> >>  >>  Lou
> >>  >>
> >>  >
> >>  >
> >>
 > -----------------------------------------------------------------------
> >>  > -----
> >>  > ----
> >>  >
> >>  >
> >>  >> Name: 3 wide shot port side b
> >>  >>  1.jpg Type: image/jpeg Size: 147472 bytes Desc: not available
> >>  >> Url:
> >>  > http://www.rhodes22.org/pipermail/rhodes22-list/attch/200412/07/
> >>  > 3wideshotpor
> >>  > tsideb1.jpg
> >>  >>
> >>  >
> >>  >
> >>
 > -----------------------------------------------------------------------
> >>  > -----
> >>  > ----
> >>  >
> >>  >
> >>  >> Name: CB flaking near pivot  st
> >  > >>  1.jpg Type: image/jpeg Size: 126294 bytes Desc: not available
> >>  >> Url:
> >>  > http://www.rhodes22.org/pipermail/rhodes22-list/attch/200412/07/
> >>  > CBflakingnea
> >>  > rpivotst1.jpg
> >>  >>
> >>  >
> >>  >
> >>
 > -----------------------------------------------------------------------
> >>  > -----
> >>  > ----
> >>  >
> >>  >
> >>  >> Name: CB lower AFT edge worn
> >>  >>  down.jpg Type: image/jpeg Size: 124878 bytes Desc: not available
> >>  >> Url:
> >>  > http://www.rhodes22.org/pipermail/rhodes22-list/attch/200412/07/
> >>  > CBlowerAFTed
> >>  > geworndown.jpg
> >>  >>
> >>  >
> >>  >
> >>
 > -----------------------------------------------------------------------
> >>  > -----
> >>  > ----
> >>  >
> >>  >
> >>  >> Name: CB top stb edge fwd sheav
> >>  >>  1.jpg Type: image/jpeg Size: 109229 bytes Desc: not available
> >>  >> Url:
> >>  > http://www.rhodes22.org/pipermail/rhodes22-list/attch/200412/07/
> >>  > CBtopstbedge
> >>  > fwdsheav1.jpg
> >>  >>
> >>  >
> >>  >
> >>
 > -----------------------------------------------------------------------
> >>  > -----
> >>  > ----
> >>  >
> >>  >
> >>  >> __________________________________________________
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> >>  >
> >>  >
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> >>
> >>  __________________________________________________
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> >>
> >>
> >
> >
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