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Celandra is a game in which the players take the roles of societies, rather than playing individual characters. The players will invent a society with its culture and heritage, and will guide its development and interaction with the world. Emphasis will be be placed on developing a detailed history of Celandra, along with myths and legends.
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AndrewJanssen
Andrew Janssen

Sun

Jul 11
2004

09:14

[Cel] [World] Communications Speed

After I responded to Jeff's post, I got to thinking about the speed of 
communications in Celandra. For simplicity, I'm ignoring magical means 
of communication, and focusing on the traditional messenger on horse back.

The website gives a speed of 25 miles per day for normal riding or 
walking, and 50 miles per day for a forced march or forced gallop. That 
works out to an average speed of 2.5 mph and 5 mph,  respectively, 
assuming that one only rides for 10 hours per day. On Earth, some 
long-distance riders have averaged 58 miles per day at 5.8 miles per 
hour. The Pony Express riders averaged 9 mph over a 25 mile-long stage, 
or 90 miles per day. A Scottish laird covered the 105 miles between 
Aberdeen and Inverness in 7 hours, averaging 15 mph, and switching 
horses 8 times, for an astonishing 150 miles per day, again assuming 
only 10 hours of riding per day.

I first looked at the Thalcedon-Caladyn route. The distance between the 
two cities is 550 miles as the crow flies. Using the website numbers,  
it would take 44 days at a normal pace to make the round trip between 
the two cities, and 22 days for a round trip at a forced pace. This 
would mean that if a situation requiring the urgent action of the 
Regency Council were to arise in Caladyn, it would take 11 days for news 
of the crisis to reach Thalcedon, 11 days for a courier carrying the 
Council's orders to return to Caladyn, and another 11 days before the 
Council would receive confirmation that the orders arrived in Caladyn, 
for a total of 33 days. This is a nearly unworkable lag.

Then I looked at the Thalcedon-Fauve Monde route. The capitals of 
Cedonia and Burcancy are 900 miles apart, as the crow flies. This 
translates into round trip times of  2 months, 12 days at normal pace 
and 1 month, 6 days at forced pace. If the Cedonian Ambassador to 
Burcancy needs to consult with his government in negotiations, it will 
be just over a month before negotiations can continue. Back in the days 
of the Old Cedonian Empire, the cycle of reporting a problem, sending 
orders, and confirming receipt of orders would have taken over a 
quarter-year.

However, introducing a Pony Express-style system of relay riders greatly 
speeds things up. Using the 9 mph over 25 mile-stages, the 550 miles 
between Thalcedon and Caladyn can be covered in 2 days, 13 hours one 
way; 5 days, 2 hours for the round trip. For the Thalcedon-Fauve Monde 
route, the numbers improve to 4 days, 4 hours one way; 8 days, 8 hours 
round trip.

So, for an ordinary traveller, it's 22 days from Thalcedon to Caladyn at 
a normal pace, but dispatch riders carrying mail make the same journey 
in about 2.5 days.

As far as communication by sea is concerned, the Thalcedon-Fauve Monde 
trip takes 9 to 14 days by sea. Thalcedon to Mirabalpur is a 6 to 10 day 
trip; in fact, nearly every port on the Midsea is within about 10 days 
of Mirabalpur by sea.

So, at the height of the Old Cedonian empire it would have taken about 9 
days for a message sent from Thalcedon to arrive at Jall in Hisaria via 
dispatch rider. On the other hand, a merchant caravan, moving much 
slower, would take about 80 days to cover the same distance one-way. 
Forced-marching troops could reach Hisaria from Thalcedon in about 40 days.

This sort of figuring gives a better sense of the size of Qaiyore than 
simple distances.

Andrew Janssen
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