How to make a move the car?

Hi all, Does anyone know how to choose an electric motor for a small vehicle as a basis for electric wheelchair in the vehicle requirement.The couple who wants to build a total weight of 150kg. What should I do first? I had an original idea, which specifies that if the vehicle speed vm / s, so you can simply use the equation P = Fv, where P is engine power, F is the force of friction. Is this correct? What about the force of inertia? Is there a good website for me to analyze this problem?

To obtain the required torque you need a better analysis. Torque = power / speed. You can answer your torque required to vary the transmission ratio between engine and wheels (half the couple twice the speed is the same power). What I really want to know (and you have to do it yourself), is two things: 1. What kind of home / strength farming are needed? This includes all motor drag forces and reducing the static resistance of the wheels and any surfaces that are (to a depth carpet fibers?) More energy through the slope could try to climb. 2. What power is needed? The worst, the speed with which it is necessary going against the gravity that drags? All figures bikes fall into this too. simply specifying the problem well enough probably to show their response, or most of it. This is more or less how it works in engineering, you can not get the answer you've learned to ask the right question!

24 Volt / 5 Amp – Three Stage – SLA Battery Charger and Maintainer – Fan Cooled – Regulated – For Use with AGM Batteries – 3-Pin XLR Connector – UPG 24BC5000TF-1 $59.99 Brand Universal Power Group – Part No. 71704 – Connection 3-Pin XLR – Height 2.3 in. – Length 9.1 in. – Width 7.6 in. – Input Voltage 120 Volt – OEM 24BC5000TF-1 – Regulated Yes – Type Three Stage – Warranty 1 Year – Use With 24V Batteries -…

QRT Wheelchair Tie-Down Electric Retractor $189.99 QRT Wheelchair Tie-Down Electric Retractor is an automated wheelchair tie-down restraint system for use with L-Track fittings. Designed for transit & para-transit buses, crash tested at 30 mph (50 km/h). 10 foot retractable tie-down hooks directly into the vehicle’s power wiring. Meets or exceeds all SAEJ2249, ISO 10542, FMVSS 209,210,302,222, cmVSS 209, CSA Z605, AS2596 and ADA requirements. **…

A Modern Electric Motorised Disability Wheelchair. – 24H x 16W – Peel and Stick Wall Decal by Wallmonkeys $33.99 WallMonkeys wall graphics are printed on the highest quality re-positionable, self-adhesive fabric paper. Each order is printed in-house and on-demand. WallMonkeys uses premium materials & state-of-the-art production technologies. Our white fabric material is superior to vinyl decals. You can literally see and feel the difference. Our wall graphics apply in minutes and won’t damage your paint or l…

Self Transport Folding Wheelchair with Detachable Desk Armrests, Swing-away Detachable Elevating Leg Rests, Solid Castors and Large Rolling Rear Wheels. $138.99 SPECIFICATIONS SEAT WIDTH: SEAT WIDTH: 18″ | SEAT DEPTH: 16″ | SEAT TO FLOOR HEIGHT: 19″ | WHEEL-TO-WHEEL WIDTHS: 27″ | ARM STYLE: REMOVABLE FULL-LENGTH | NEW DESIGN 8″ FRONT CASTERS WEIGHT: 49 LBS WEIGHT CAPACITY: 300 LBS. PLEASE NOTE THIS ITEM CURRENTLY CAN ONLY BE SHIPPED TO A PHYSICAL STREET ADDRESS WITHIN THE 48 CONTIGUOUS US STATES, WE APOLOGIZE FOR ANY INCONVENIENCE THIS MIGHT CAUSE….

Light 14.8 lbs Medline Freedom Transport Wheelchair 300 lb Cap Chair- With back pocket Cup holder on front of chair (for patient) Backside of chair contains: key ring and multiple pockets for your billfold or iPod, cell phone, drinking bottle, and identification tag · Fold-down back for easy transport · Comfortable, “restaurant-style? arms · Seat belt for added safety · Quality by Medline Industries Specifications: Seat – 19″ wide x 16″ deep S…

Invacare LightWeight Tracer EX2 Wheelchair 20 with Swingaway Footrest-Blue (Folding, Assembled) $165.99 The Invacare IVC Tracer EX2 wheelchair sets the new standard in manual wheelchairs. The Tracer EX2 combines the design and technology of the Invacare 9000 series and incorporates it into the Invacare Tracer series. A true dual axle position allows for repositioning the 24″ rear wheels and 8″ casters for adult and hemi seat-to-floor heights. Hemi spaced footrest and a full range of accessories and …

APC Back UPS ES 350 Battery $15.00 APC Back UPS ES 350 Battery…

Compatible Wheelchair Battery for Pride Mobility Jazzy 1143 $57.93 12 V 33Ah BATTERY FLAG POST TERMINALS…

12V 3.2Ah BP3-12 ES3-12 PS-1230 PW1203 Battery $15.00 12V 3.2Ah BP3-12 ES3-12 PS-1230 PW1203 Battery…

Powerstar 12V 33AH Group U1 Deep Cycle Sealed Battery $88.55 12V 33ah – Powerstar SLA Battery, U1, perfect for deep cycle wheelchair and scooter applications. L 7.7 x w = 5.1 x h = 6.3 inches. Weight 24lbs. Used in Fire Alarms Security Systems/Alarms, UPS Battery BackUp , Exit Signs/Emergency Lighting, Testing Equipment , Electric Scooters , Mobility Wheelchairs, Electric Gates , Under Water ScoPowersonic PS-12300 Powersonic PS-12330 Panasonic (Matsushita) …