Fernando,
Fellow diallists,
Fernando asked:
Given a certain latitude, how can we find the best angles for
a sundial?
For best I mean those that offer:
a) the longest insolation during the day
b) the longest insolation at the various seasons
I sent this message yesterday but it was returned.
I thought the world could be over for you guys
who tried to see the eclipse. Since it seems it didn't,
here it is again:
Given a certain latitude, how can we find the best angles for
a sundial?
For best I mean those that offer:
a) the
Slawomir K. Grzechnik wrote:
Hello Fernando
The shortest answer would be to have the cylinder with the dial on its
outside and few styles around it so that at least one is working. The
cylinder should be inclined so that is is parallel to the Earth axis. Then
you would have longest
Dear Fernando,
I had a similar problem making a dial for 'the tropics'. It was
to sit beside the pool at a hotel that we use in The Gambia, 13°N. The
intention was to make it visible all day from a laying-down position.
in The Gambia as in Brazil, the sun goes both to the North and to
Hello Fernando
The shortest answer would be to have the cylinder with the dial on its
outside and few styles around it so that at least one is working. The
cylinder should be inclined so that is is parallel to the Earth axis. Then
you would have longest expositions. On the poles it would work
