Subj : Re: Glyn Locke - canvas replacement
To   : rec.sport.rowing
From : bobo5412
Date : Thu Aug 06 2020 03:07 pm

On Thursday, August 6, 2020 at 3:13:30 PM UTC-5, bnw...@gmail.com wrote:
> On Thursday, August 6, 2020 at 11:02:26 AM UTC-4, bobo...@aol.com wrote:
> > On Thursday, August 6, 2020 at 7:10:12 AM UTC-5, JK wrote: 
> > > Andy.. Sounds exactly what Eva aka The Board Lady used.. And had found
the various Ora products in searches last night so you have kindly provided
some comfort that I'm on the right track and given me some useful tips too.
Many thanks James
> > I would like to offer a suggestion to consider. I have done several
restorations using a product from Aircraft Spruce called Ceconite. This is a
heat shrinkable dacron used to cover full size aircraft, and is the product
that Graeme King is using on his boats. It requires the use of an adhesive to
fix the edges of the fabric to the gunwales (usually 3M VHB or contact cement)
and it does require varnish after shrinking to protect the fabric and make it
watertight. However, if you are intending a quality restoration, this is the
way to go! I have tried the model airplane coverings, and they are too thin and
 flimsy for sculling applications. Please continue the thread if you have
additional questions. Thanks Bob
> 
> I was recommended (by way of GK) to a similar dacron product also at Aircraft
 Spruce,
https://www.aircraftspruce.com/catalog/cmpages/peelply4.php?clickkey=4728
> This is also heat shrinkable, but not transparent, and does require a coating
 of PU or other UV resistant material. It is significantly less expensive per
yard (and slightly narrower fabric). 
> I am also one of Henry's downloaders (Thank you Henry!), and have the
material on-hand, but just haven't found the time to put his tutorial to a
real-world application...
I should tell you that the transparency comes from the application of
polyurethane spar varnish after the ceconite has been heat shrunk.  This is
done with a hair drier.  Search Ceconite (
https://www.aircraftspruce.com/catalog/cspages/ceconitefabric2.php?clickkey=190
46) This stuff is relatively inexpensive and comes in 72" width so it can be
cut into 18" strips.  4 yards will give you plenty for your single and 2 spare
strips if you decide to redo down the road.  Minwax Helmsman Spar varnish can
be sprayed from a rattle can.  If you apply light coats, the fabric weave soaks
 these up and seals the fabric water tight.  As you apply the varnish, you'll
begin to see the fabric change from opaque white, to translucent yellow/gold.
Just take your time and don't get the fabric so wet that the varnish drips
through the porous fabric.  Just remeber, this is the stuff our ancestors used
to cover their Piper Cub Wings!
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