Boris is correct on all counts:
The lake may have a skin of ice on it but, even if it does, it is not solid enough to support any kind of human weight. If you are fortunate, a rocket that lands on it may be able to be blown to the shore by any breeze that may be present. Even though the fire department will be in attendance, we don't want to employ their services.
I'd like to see us keep things below 500 feet or so. If we get good results, we can think about going higher later in the day.
For those using GPS the address is 25 Ledge Rock Way, Acton, MA. It looks like Jim is recommending we use the upper parking lot to be as close to our display area as possible.
I missed the registration deadline for the chili cookoff so someone else will have to win with their inferior recipe.
See you all there.
Kenn