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front fork springs
- keithsams
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1 year 10 months ago #1407
by keithsams
front fork springs was created by keithsams
not to put you off ever riding your abc again but have you ever though what would happen if your long main spring fractured, there is no places to fit leather safty straps just in case. i have fitted two of the long springs and removed the second longest but to do this i have removed the bottom roller it rests on.This bottom roller should actually be two rollers but they are usually flattened and never work, by putting one roller in this gives a thicker wall to the roller,. i always though they were flattened by shock load but if you really bottom your forks the second longest blade jams into the roller probably seizing the roller and the rapid wear takes place. can you see any pitfall in this idea. ps if anyone has a magic camera can they put a couple of images on to aid description
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- Paul
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1 year 10 months ago #1408
by Paul
Replied by Paul on topic front fork springs
Keith, in Tech Speak, you have identified a Single Point (Catastrophic) Failure Area, and neatly converted it to a Fail Safe situation!
The intended rolling contact between leaf-end and roller was never likely to work for long: friction and/or drag between roller and its stationary bearing bush soon became greater than that between leaf-end and roller, with the result that the leaf-end slid on the roller, and eventually wore a great flat on it!
The good news is that I've never heard of a top leaf-spring failure: have you?
The intended rolling contact between leaf-end and roller was never likely to work for long: friction and/or drag between roller and its stationary bearing bush soon became greater than that between leaf-end and roller, with the result that the leaf-end slid on the roller, and eventually wore a great flat on it!
The good news is that I've never heard of a top leaf-spring failure: have you?
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- keithsams
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1 year 10 months ago #1409
by keithsams
Replied by keithsams on topic front fork springs
i had one in my box of bits luckily it was not
mine, i shortened it down to a smaller one, perhaps thats what happened to the others
mine, i shortened it down to a smaller one, perhaps thats what happened to the others
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- keithsams
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1 year 10 months ago - 1 year 10 months ago #1410
by keithsams
Replied by keithsams on topic front fork springs
Last edit: 1 year 10 months ago by keithsams. Reason: added comment
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- Batten
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1 year 10 months ago #1411
by Batten
Replied by Batten on topic front fork springs
The following user(s) said Thank You: keithsams
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- Dell
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1 year 10 months ago #1418
by Dell
Replied by Dell on topic front fork springs
Hi Keith I have a complete front fork assembly from a bike last used in 1930's the spring is still bound with a cord to keep the leaves altogether I wonder if this was because they were known to break in those days,and it was a common update,have tried to enclose pictures but not sure if that is working , Dell
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