Disc brake on a minibike

Luke135

Active Member
#21
They are used on ebikes which can weigh as much as a minibike. Besides that, the brakes would be much more effective on a small OD minibike wheel/tire than on a much larger OD bicycle wheel/tire due to the greater force multiplication (leverage) that the bicycle wheel/tire would have over the brake.
 

Luke135

Active Member
#23
One design item of note. The adaptor that attaches the disc to the hub has 1" engagement on the hub. I machined it with a almost press fit. There are 4 set screws which go into dimpled holes in the hub. Been doing this for years. No problems yet..
 

Luke135

Active Member
#25
One a bicycle disk brake isn’t wasn’t designed to stop a hundred something pound rolling chunk on steel,and aluminum .
Well like gene krantz said during the apollo 13 incident. "I dont want to know what something was designed to do. I want to know what it can do"
 
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