Stair lifts generally move at between 0.07 m/s and 0.15 m/s. They generally have "soft" starts and finishes where they start slower and slow down before the end to reduce jolting. They also slow down if they go around bends.
Here's a place where you can buy a stair lift: http://www.usmedicalsupplies.com/Stair-Lifts.htm
The weight capacity of a stair lift varies for each stair lift. Average capacity is between 250-300 pounds.
It is better to install a handicapped stair lift.
One will need a pulley to install a stair lift as well as many other tools. A screwdriver, hammer, and perhaps even a stair lift kit would also be helpful in installing a stair lift.
Stair lifts have a lift that will bring you up stationary stairs. Escalators are where the stairs themselves actually move up or down.
The costs for purchasing a stair lift can vary depending on the brand and make of the stair lift. According to the Silver Cross website the price can range from $2000 to $3800.
Injuries from falling down stairs are really common in the elderly, so the greatest benefit of a stair lift is the reduced risk of injury from falling down stairs. If someone is no longer able to move between the different floors of their home, installing a stair lift is an alternative to placing them in a full-care facility or nursing home.
You can get a stair lift installed in your home for around $1400. Of course this price could vary depending on your needs.
If you are looking to purchace a minivator stair lift you should expect to pay anywhere from $700-$3,000. The average price varies on the type of stair lift you select and on the features you desire. Their are websites that sell used or fairly used stair lifts at a lower cost.
There are many websites where one can buy a straight stair lift. Among them are Bruno, US Medical Supply, Active Forever, EZ Able, eBay, Stair Lift Exchange, and US Medical Supplies.
Some popular stair lift manufacturers include SilverCross, Savaria, Bruno, AmeriGlide, and Precision Stair Lifts. Stair lifts can vary in price from $1289.99 to $2299.99. If you're looking to get a comparison on the different brands of stair lifts just google "Silver Cross Stair Lifts"
These websites - www.livingfreehomestairlifts.com/Stair and www.ameriglide.com/Stair-Lifts - offer a range of stair chair lifts at an affordable cost.