Re: [CR]Lambert Death Fork - Actual data point

(Example: Production Builders:Pogliaghi)

From: "David Feldman" <feldmans1@earthlink.net>
To: <kasha.lists@cox.net>, <classicrendezvous@bikelist.org>
References: <20021205210048.VOPV2204.lakemtao03.cox.net@smtp.east.cox.net>
Subject: Re: [CR]Lambert Death Fork - Actual data point
Date: Thu, 5 Dec 2002 14:06:13 -0600

Early Alan forks were made similarly to this, and had aluminum steerers besides. Does anyone know the durability history of Alan forks?
David Feldman
Vancouver, WA


----- Original Message -----
From: kasha.lists@cox.net
To: classicrendezvous@bikelist.org
Sent: Thursday, December 05, 2002 3:00 PM
Subject: [CR]Lambert Death Fork - Actual data point



>
> For those of you looking for actual data on a failure. My father's Viscount fork failed. The damage was about 9 teeth, a few dozen stiches and I think even a cheak bone. At any rate, the failure was real and the injuries
> were real. Use with care. One note, it did creak prior to failure. Hence I hate to ride anything today that creaks - from anywhere.
>
> The fork had an aluminum crown and a steel steerer tube. An aluminum plug joined them. The aluminum plug sheered in two. Looking at the remainder from top was interesting. It was about the diameter of a nickel. The outer 1/3 ring was a different color/texture than the inner 2/3. Clearly a stress fracture was developing slowly, and was polishing
> itself and causing the creaking. Until it got deep enough in that the remaining piece could no longer hold up and it broke - leaving a crisp graininess visible.
>
> He keeps it as a souvenir, and rides a nice Trek (not bad for age 73).
>
> Dan Kasha
> Providence, RI
>
> PS I replaced my Cannondale Aluminum fork with a steel one:)