Part 5 Half a Car Installing the Motor and Back Axle

 Part 5 Half a Car Installing the Motor and Back Axle.

first of all a set of 20mm id bearings are needed, Ebay is the best bet. surface mounted like the photo below do the job well. other parts needed are

Bering 20MM id
4x 10mm bolts
4x 10mm nuts
8x washers
20mm od aluminum tube

the 20mm tub is used to make shore the bearings are installed level, the way this is done is to place the tube in the 20mm holes drilled into the tub and check the level with a bubble stick. if this is level 

this is good, slide the tube half way out and place the bearings on the tube and push them ot the inside of the tub i used some double sided tape to hold them to the tub so i can remove the tube and drill the holes.

Side note: the bottom of the tub is flat so place this on a flat surface and check for level. 

Once the holes have been drilled place the  tube and the bolts in place check for level again and do up the bolts, remove the tube and hay presto... :)

to get the hight of the motor this may be different depending on the donor scooter. I have a 17mm od shaft i need to extend this 200mm so i have 2 bits of 200mm long 20mm od 4mm thick this gives me a 16mm od. this i had bored out to 16.9 od by a local engineering company 

once the motor is in place i used 4 8mm bolts as standoffs to adjust the height of the motor. screwing the bolts up or down to adjust the motor position

this is what it looks like in part 6 i will show you how i make the motor mount 

Dad