N scale locomotives are powered by DC motors which accept a maximum of 12 V DC. In traditional DC control, the speed of the train is determined by the amount of voltage supplied to the rails. The direction of the train is determined by the polarity of the power to the rails.
Whether you purchase a horse for $500.00 or $5,000.00 one thing will remain true: if you keep your horse for many years you will ultimately spend far more for his living expenses than you laid out for the purchase price. Let's start breaking down the costs of horse ownership:
Farrier expenses are a little more predictable. If you plan to keep your horse unshod the average cost of a foot trimming will normally run around $25.00 to $30.00. The rate at which your horse requires his feet to be trimmed will vary depending on his natural hoof condition, activity levels and atmosphere.