Horses are made to amble around all day and run very fast very quickly, they are prey/herd animals. But they are constantly on the move. So, if your horse is in a confined area, like a stall or a paddock, he/she needs to be turned out in a pasture or large arena for at least a half hour a day, the longer, the better.
A stable would be better but can be smaller than a normal horse sized on!
No, it's like dogs. Small dogs need in some cases much more exercise than large dogs. Shetlands like quite a lot of room, but horses don't mind stables.
they are a lot cheaper to look after then a horse because they don't need all the nutrition a horse needs and they don't need stabling.
There are tons of horse breeds and crossbreeds. Here a a few types: Arabians, Morgans, Tennessee Walking Horses, Saddlebreds, Quarter Horses, Friesians, Percherons, Mustangs, Clydesdales, Shires, Welsh Mountain Ponies, Shetland Ponies, American Shetland Ponies, Appaloosas, Akhal - Teke, and many more. If you're still going to need more breeds look at horse breeds on wikipedia.org.
Yes when your doing long rides but nearly all horses can be ridden bareback but regurlarly you need a saddle to prevent damage to the horse
I was told a 60hp would get you out of bad weather
No, but there are no direct flights between London and Shetland.
Depends what "type" of ponies were talking about here
It would depend on the age of the pony and where he is kept. All horses (or ponies) that are kept in a stall need to get out daily if at all possible. If he is kept in a large pasture he will exercise himself to a certain degree. An older pony will need and want less exercise than a young pony. If he has pasture-mates, they will run and play together. But for riding 3 to 4 times a week is ideal.
horses that frequently exercise need hay and grain. i recommend giving them two flakes of hay in the morning. At night give them two flakes of hay and grain. You should give them about four cups of grain and ponies get only two.
running and jumping
The type of exercise you will need will be walking, stair climbing and hiking.