Rear wheel Brake band run out
4 posters
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Rear wheel Brake band run out
While building the rear wheels we have notice the brake band is not concentric to the hub center / axle (i know it will never be spot on building wheels like this)
Do any current owners have trouble with the brakes being intermittent when on a road run for example and needing to apply the brakes?
I'm planning on machining mine concentric on the Bridgeport once assembled i think to take this error out!..
Do any current owners have trouble with the brakes being intermittent when on a road run for example and needing to apply the brakes?
I'm planning on machining mine concentric on the Bridgeport once assembled i think to take this error out!..
BurrellSimplicity- Number of posts : 74
Location : Scotland
Registration date : 2019-04-29
Re: Rear wheel Brake band run out
Hi
Wheel brakes are used mostly for parking.
Wheel brakes are used mostly for parking.
lynnr- Number of posts : 3242
Age : 55
Location : Highland, 4inch showman
Registration date : 2010-08-06
Re: Rear wheel Brake band run out
Well the road runs I do Lynn involve very steep hills and constant use of the brakes. So steep that the fly wheel brake needs to be used in conjunction with the brakes on 6” Burrell I 2nd man on.
A 4” Mack does the same run and he also uses his brakes.
I’ll just machine mine then as it’s a case by case situation.
Also a bit disappointed in the rims. One has a machined fillet around the edge and the other does not so I need to fill one wheel! The thickness of the wheel rim also changes around the diameter Of the wheel by a fair bit. I’ve already sent a wheel back and I still have problems with them.
A 4” Mack does the same run and he also uses his brakes.
I’ll just machine mine then as it’s a case by case situation.
Also a bit disappointed in the rims. One has a machined fillet around the edge and the other does not so I need to fill one wheel! The thickness of the wheel rim also changes around the diameter Of the wheel by a fair bit. I’ve already sent a wheel back and I still have problems with them.
BurrellSimplicity- Number of posts : 74
Location : Scotland
Registration date : 2019-04-29
Re: Rear wheel Brake band run out
Hi
My Father and I put our back wheels on the boring machine to true the brake bands, in my opinion it’s a job worth doing.
We also have lots of hills around us and I feel the wheel brakes are very important as they should be the first thing to be applied when going down hill followed by the flywheel brake, pulling back the reverser would be a last resort!
I do think stw have done a good job machining the brake bands but it would be impossible to get them concentric with the hub being in kit form.
Kind regards
My Father and I put our back wheels on the boring machine to true the brake bands, in my opinion it’s a job worth doing.
We also have lots of hills around us and I feel the wheel brakes are very important as they should be the first thing to be applied when going down hill followed by the flywheel brake, pulling back the reverser would be a last resort!
I do think stw have done a good job machining the brake bands but it would be impossible to get them concentric with the hub being in kit form.
Kind regards
Willsy- Number of posts : 43
Location : Cornwall
Registration date : 2014-12-15
Re: Rear wheel Brake band run out
Not sure how true the hind wheel brakes are on Frederick, but they are essential for high speed road running in high wheel, where the three-shaft open-rods arrangement means that there is very little ‘holding’ available from the engine. They are greatly improved by adding brake pad material (the same as used on the Likamobile). On the long runs we have done, I have only occasionally used the flywheel brake. If the hill is known to be very steep then you should drop down a gear to give engine braking and always start at the speed you intend to finish at!
Tim
Tim
Tim Watson- Number of posts : 585
Location : Herts
Registration date : 2008-07-02
Re: Rear wheel Brake band run out
Yes i think it’s well worth machining them and I’m lucky that I can I guess! I’ve been on a 6inch Mack that was not concentric and it was somewhat interesting with the on and off braking forces!
Using the reverser is never really a good idea as you can bend the crank and do other damage.
Checking the run out here!
Using the reverser is never really a good idea as you can bend the crank and do other damage.
Checking the run out here!
BurrellSimplicity- Number of posts : 74
Location : Scotland
Registration date : 2019-04-29
Willsy- Number of posts : 43
Location : Cornwall
Registration date : 2014-12-15
Re: Rear wheel Brake band run out
Also as Tim was saying friction material on the brake blocks is also a good idea!
Willsy- Number of posts : 43
Location : Cornwall
Registration date : 2014-12-15
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