“I have no idea what PCD is nor do I know how to calculate it?”….is an answer we hear frequently from customers. Technically, Pitch Circle Diameter (PCD) is the diameter of the circle which passes through the centre of the wheel studs, wheel bolts or wheel rim holes.
Here is a simple test for your electric drums to test to prove polarisation. Point your trailer coupling facing north or south. Residual magnetism can be excess positive ions(North Pole) or excess negative ions (South Pole).
Learn how dirt roads destroy Electric Brakes. Unsuspecting caravan owners discover their electric braking systems and electric drums are being rendered defective by vibrations transferred to braking systems by corrugated roads.
“I do not think I really need electric brakes on my camper as it is pretty light.” is a comment I get all the time. This one scared me enough to put disc rotors and brakes on my boat trailer. I should have known better, and I should have done it years before, but I didn’t. How electric brakes work. Allow the experts at Couplemate to solve your braking problems. Simple solutions to increase braking power.
The correct method using 5mm cable is to run a cable down EACH chassis rail and connect each magnet independently. This type of connection is called parallel.