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midlife

Front brake arm

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Thanks folks

So if there is a benefit to having the arm in the forwards position  it is marginal  BUT there is less or no chance of the arm getting damaged by a rock or any anything else we might find or our merry way round if pointing to the rear. :bouncy:

Edited by midlife

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1 hour ago, midlife said:

Thanks folks

So if there is a benefit to having the arm in the forwards position  it is marginal  BUT there is less or no chance of the arm getting damaged by a rock or any anything else we might find or our merry way round if pointing to the rear. :moon:

Though you were being rude, not commenting, but your excuse that it was date night holds water. Please, stop asking advice, I really have no experience in dealing with the chaff marks caused by the leather harness, or the bruising on the abdomen caused by the chalk . I've heard raddle powder works fairly well.

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Oh I take it by the change of subject I have came up with the answer why the lever points to the rear.

Next topic

FARMING :hyper:

3 hours ago, b40rt said:

Though you were being rude, not commenting, but your excuse that it was date night holds water. Please, stop asking advice, I really have no experience in dealing with the chaff marks caused by the leather harness, or the bruising on the abdomen caused by the chalk . I've heard raddle powder works fairly well.

 

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1 hour ago, midlife said:

Oh I take it by the change of subject I have came up with the answer why the lever points to the rear.

Next topic

FARMING :hyper:

 

Let's take a breath, casual conversion is just that, take it or leave it !  You've actually contributed zero to the conversation, other than "was he talking p***"

 

 

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I spent hours trying to work out the forces etc.... Came to the conclusion that the leverage from the cam would be slightly weaker by moving the arm to the front. But I did it anyway on my Armstrong, mainly for the cable run. I was wearing a hole in the bottom yoke. On braking forks compress and you can feel the effect on the lever as the cable is bent.

Fitted some new forks as my old stanchions were knackered, so I needed to make some bits anyway. I made a custom mudguard risers with a cable pull anchor (drilled and hollowed for weight saving). Custom fork brace which is flatter and helps reduce twisting. Also made a nice strong torque arm. I tried to keep all the angles optimum for best efficiency, which meant a new brake arm with slot at a different angle. Less outer cable = less flex and no deflection on fork travel. I used 2mm Cable, but I also have a 2.5mm to make up to try.

Tested it Saturday. Overall result = Awesome :) Works better that I'd hoped, lever feels so solid, not too vulnerable for damage and I think it looks good too. What do you think?

Sorry to muddy the SWM forum with pics of an Armstrong!

IMG_20200524_084454.jpg

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8 hours ago, steve said:

I spent hours trying to work out the forces etc.... Came to the conclusion that the leverage from the cam would be slightly weaker by moving the arm to the front. But I did it anyway on my Armstrong, mainly for the cable run. I was wearing a hole in the bottom yoke. On braking forks compress and you can feel the effect on the lever as the cable is bent.

Fitted some new forks as my old stanchions were knackered, so I needed to make some bits anyway. I made a custom mudguard risers with a cable pull anchor (drilled and hollowed for weight saving). Custom fork brace which is flatter and helps reduce twisting. Also made a nice strong torque arm. I tried to keep all the angles optimum for best efficiency, which meant a new brake arm with slot at a different angle. Less outer cable = less flex and no deflection on fork travel. I used 2mm Cable, but I also have a 2.5mm to make up to try.

Tested it Saturday. Overall result = Awesome :) Works better that I'd hoped, lever feels so solid, not too vulnerable for damage and I think it looks good too. What do you think?

Sorry to muddy the SWM forum with pics of an Armstrong!

IMG_20200524_084454.jpg

Very nicely done, brake operating lever looks to be well protected ?

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