The new four smart car chassis / gun / robot / four motor drive / four-wheel drive car tracing obsta,China NA price supplier

Customer receives chassis are attached to a surface protective layer of beige paper ( to protect the chassis during transport will not be scratched, torn to render the color of the product introduction )

Car relatively large size : length 29.5cm X 15cm wide

Top view of

Bottom View

Trolley motor mounting reference examples are as follows ( we do is to take a section chassis demonstration , the actual installation is identical ) :

Trolley motor side of a fixed installation steps : Install the L metal bracket on the chassis

Trolley motor side fixed installation Step two : the motor is mounted on a bracket

Trolley motor side fixed installation Step 3: Wheel bite on the motor

Trolley motor side has finished the installation , whether it is very simple .

When the four motors are mounted up going to install the first floor chassis Oh , and the second layer expansion chassis can be installed many circuits and modules is very important , oh.

Install long pillars up

Four pillars are installed go up

Pressed , the Screws , and four power-driven HC-4 car on the installation of a good , oh.

Installation is very simple and easy to do, come try it .

75 yuan car shipping list

1 : an upgraded version of HC-4 lower car chassis

HC-4 car chassis upper 2,1 -chip expansion

3,4 3-6V DC gear motor ( two models optional )

Reduction ratio 1: 120,3V at 50 revolutions per miNUTe , medium speed ( the owner recommended )

Reduction ratio 1: 48,3V 125 strokes per minute , faster

4,4 rubber tires

5,4 L motor sets a fixed metal stents (with matching screw nut )

6,4 an upper expansion board designed with padded long pillars (with matching screw nut )