1 - Seat heigh from floor? (including any internal cushion)?
21 inches (53 cm) from the ground to seat pan. Add 4 inches (10 cm) for cushion.
2 - Weight?
400 lbs (181 kg).
3 - Maximum degrees of terrain angle incline that chair can ascend and descend?
It may be adjusted between 30° to 35°.
4 - Maximum curb/stair height chair will climb without hitting bottom of chair?
6 inches (15 cm) before scraping bottom of chair.
5 - Maximum speed on hard flat surface?
6.5 mph (10 kph).
6 - Arm width field adjustable?
It may be, but would have to adjust backrest width.
7 - Arm height field adjustable?
8 - Arm tilt up for side entry?
9 - Seat back manually adjustable independent from seat bottom?
Yes, manually for set adjustments, it also has power recline.
10 - 18x18 inches (45x45 cm) seat available?
11 - Maximum degrees of seat bottom tilt back angle for going downhill?
50° before chair lock out or slow down mode.
12 - Are both types (single & double) of foot rests field adjustable up and down?
13 - Type of braking?
14 - Do yellow handles disconnect motors & brakes for emergency pushing?
Yes, it's the motors release into neutral.
15 - Battery charge fully automatic?
Yes, just plug it in and when fully charged it will stop charging automatically.
16 - Four tie-down points?
17 - Delivery options?
If you live in U.S. we can personally deliver the chair or it can be shipped by a shipping company of your choice.