A good engineer can build a bridge that won't collapse under any known
condition.

A GREAT engineer can build a bridge that won't collapse under any known
condition -- just barely.

The point being ... anybody can toss out a number that is so overdesigned
and so heavy that it will stand up. The proof of the pudding is in the
field testing. Yes, I used 3/8" ply and yes, it has a permanent bow to it
now but it did NOT break. After a week's thunderstorms, wind, heat, and
moisture, it came home just fine, thank you.

I'm sorry Jack's plywood cracked. I have no idea what an empty Arrow
weighs. I know what an empty 182 weighs and did my calculations based on
that number. YMMV.

Will I use 3/8" next year? Probably not. I'll up it to 1/2" and see if I
still get a bow. If so, I'll up it to 3/4".

The BlueOnBlue 182 was parked where it has been parked for the last 15
years...down in the classic parking, row 132 (North FondDuLac). Several
people saw it and commented that it was a hell of an idea. The idea just
needs refinement, that's all.


Jim



"john smith" wrote in message
.. .
Jay Honeck wrote:
This year, we learned that 3/8 inch plywood is too thin for parking
airplanes on, motorized scooters are dangerous when they travel in herds,
and we learned that we should post the location of our campsite on the
group during the week.

Hey, don't blame me!!!
I posted 1".

It was that know-it-all Weir who said that was too thick. :-))
He suckered all of us into bringing 3/8" wood.
Makes you wonder why none of us could find the BlueOnBlue 182 to check
what his airplane was sitting on?