On Dec 30, 10:07*am, "kirk.stant" wrote:
On Dec 30, 8:43*am, bildan wrote:



On Dec 30, 12:22*am, "Matt Herron Jr." wrote:

On Dec 29, 4:10*pm, bildan wrote:

On Dec 29, 3:22*pm, John Cochrane
wrote:

Hype, hype and more hype in Bill Collums story, pure vapor-ware..
Going from a single layer of graphene molecules to a structural part
is not around the corner - unless its the corner of some distant
galaxy. *Remember buckyballs? *We were going to have string materials
of unbelievable strenght, space elevators everywhere to get payloads
for pennies into orbit, surely a hazard to soaring activities.
In my uneducated view graphene is an oddity for materials researchers
to mull over and write papers, nothing to see here folks, move
along...

Herb, J7

Like Herb said, and time for the monthly complaint about Snoaring
Magazine content. Graphene, and advice to use Lemon Pledge in the
centerpiece story about how to clean your canopy. (Hint. Don't) In the
meantime, nothing about how to fly better, what's going on with actual
glider designs we might see in our lifetimes, new instruments under
development, how to fly safer, racing techique, strategy, developments
around the world, new airfoils, modifications and improvements,
interesting places to fly or much else. If they just reprinted
articles from S&G, Gliding international, and other sources it would
be better.

OK, the answer is stop crabbing and write. I'll pony up a contest
corner if the rest of you send in some interesting articles!

John Cochrane

I brought up the Pledge use with a plastics expert - he rolled his
eyes. *There's something in Pledge - possibly the oderants - which
accelerates crazing. *I've tried several waxing finish polishes for
canopies and the old standby McGuire's #10 (gray bottle) does the best
job of temporarily filling in scratches while protecting the canopy..
It should, it was designed for the USAAF in WW2 for exactly that
purpose with a refractive index exactly the same as acrylic.

Canopies are WAY too expensive to be experimenting with furniture
polish.

At the risk of hijacking the topic, is McGuires #10 better than
Plexus? (I just bought two cans at $23 each. *(The guy at the airport
shop said the manufacturer recently doubled the wholesale price.)

I think so. *#10 takes more work to rub it on and wipe it off but the
results seem better.

Plexus is nice for a quick clean just before a flight, especially if
the canopy is in good shape. *Works nice for getting dust off the
inside (important out west) and for anti-static use.

That said, for an older canopy or occasional deep cleaning, someithing
like #10 is probably better, if more time consuming.

Kirk

I don't think McGuire's #10 has any polishing or cleaning agents -
it's just a hard, clear wax carefully formulated to have exactly the
same refractive index as Plexiglass. It temporarily fills in
scratches and makes them disappear.

For actually cleaning and removing fine scratches, I like Novus #2 &
#3. These are actually ultra-fine abrasive cleaners which slowly
polish out scratches. Novus #1 wax doesn't seem quite as effective
and long lasting as McGuire's #10.