I want 2 no 2
"A bath lift handle can lift about twenty-four pounds or 10.5 kilograms. This number, though, depends on the model and make of the bath lift you buy. You can find them on Amazon and Ebay for good prices."
It is called Lift. The difference in pressure above and below the wigs as a bird moves through the air produces an upward force that causes the bird to rise.
"There are various places a sturdy bath lift can be purchased, you could check with your local home and bath supply stores as well as on amazon. You could also check on other online stores."
A bird gets lift by the four types of aerodynamics. Also because of its hollow lightweight wings and wing bones.
Bath lifts are a convenient and safe device designed to assist people with limited mobility in and out of a conventional tub. Most bath lifts are equipped with a hand-held control that enables you or your helper to operate the device. If the bath lift battery is not fully charged to lift you out of the tub after your bath, it will not operate. Bath lifts are easy to install and to remove if you need to use it at another location. It can help you regain your independence because you don't need assistance when you want to bathe.
slow flying bird
because a bird gets upward lift on the downstroke of the wings
From what I know about bath lifts I would start here: http://www.usmedicalsupplies.com/Bath-Lifts.htm?gclid=CJLOxaO7gKsCFUQCQAodYXjm2A. They seem to have the lowest prices.
No
Thrust and lift
It gives the bird a higher relative speed which generates more lift.
Slow flying birds