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Forum: Tandem Cycling

11-17-21, 08:32 AM

Replies: 38

Making a drag brake out of a standard v brake?

Views: 5,597

Posted By diabloridr

Modulus is stress divided by elastic strain. ...

Modulus is stress divided by elastic strain.

Figure 2.8 show that the kevlar bead will inherently stretch and become looser as temperature increases.

Forum: Tandem Cycling

11-16-21, 10:44 AM

Replies: 38

Making a drag brake out of a standard v brake?

Views: 5,597

Posted By diabloridr

Figure 2.7 isn't valid (as you point out). Figure...

Figure 2.7 isn't valid (as you point out). Figure 2.8 is.

Forum: Tandem Cycling

11-16-21, 09:37 AM

Replies: 38

Making a drag brake out of a standard v brake?

Views: 5,597

Posted By diabloridr

More importantly, tensile strength drops by about...

More importantly, tensile strength drops by about 10% as Kevlar is heated to 200°F, so stretching should be expected.

That air pressure pushes the rim strip down into the spoke pocket within...

Forum: Tandem Cycling

11-15-21, 12:07 PM

Replies: 38

Making a drag brake out of a standard v brake?

Views: 5,597

Posted By diabloridr

Often overlooked is the effect of heating on the...

Often overlooked is the effect of heating on the kevlar bead of the tire.

I've also seen the adhesive on Velox rimstrips soften on hot rim, allowing the Velox to migrate and expose portions of the...

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